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<!--Created on: 9/25/2015 3:18:45 PM-->
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    <link:label xlink:type="resource" xlink:label="nbn_LoansReceivableHeldForSaleNetNotPartOfDisposalGroupOrDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Amount of loans held for sale, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_LoansReceivableHeldForSaleNetNotPartOfDisposalGroupOrDiscontinuedOperation" xlink:to="nbn_LoansReceivableHeldForSaleNetNotPartOfDisposalGroupOrDiscontinuedOperation_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_LoansReceivableHeldForSaleNetNotPartOfDisposalGroupOrDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Loans Receivable Held for Sale Net Not Part of Disposal Group or Discontinued Operation</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_LoansReceivableHeldForSaleNetNotPartOfDisposalGroupOrDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans held for sale</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:label="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Loans and Leases Receivable, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount" xlink:to="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableGrossCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total loans</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LoansAndLeasesReceivableAllowance" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Loans and Leases Receivable, Allowance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansAndLeasesReceivableAllowance" xlink:to="us-gaap_LoansAndLeasesReceivableAllowance_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">Ending balance</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Beginning balance</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Less: Allowance for loan losses</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Loans and Leases Receivable, Net Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:to="us-gaap_LoansAndLeasesReceivableNetReportedAmount_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansAndLeasesReceivableNetReportedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Loans, net</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Property, Plant and Equipment, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Premises and equipment, net</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net premises and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ForeclosedAssets" xlink:label="us-gaap_ForeclosedAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ForeclosedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Repossessed Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeclosedAssets" xlink:to="us-gaap_ForeclosedAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ForeclosedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Real estate owned and other repossessed collateral, net</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_ForeclosedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Real estate owned and other repossessed collateral</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FederalHomeLoanBankStock" xlink:label="us-gaap_FederalHomeLoanBankStock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Federal Home Loan Bank Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankStock" xlink:to="us-gaap_FederalHomeLoanBankStock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Federal Home Loan Bank stock, at cost</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Intangible Assets, Net (Excluding Goodwill)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Intangible assets, net</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BankOwnedLifeInsurance" xlink:label="us-gaap_BankOwnedLifeInsurance" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BankOwnedLifeInsurance_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Bank Owned Life Insurance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BankOwnedLifeInsurance" xlink:to="us-gaap_BankOwnedLifeInsurance_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BankOwnedLifeInsurance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Bank owned life insurance</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherAssets" xlink:label="us-gaap_OtherAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Assets.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssets" xlink:to="us-gaap_OtherAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Other assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Liabilities and Equity [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Liabilities and Stockholders' Equity</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Liabilities and Stockholders' Equity:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="us-gaap_LiabilitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Liabilities [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAbstract" xlink:to="us-gaap_LiabilitiesAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Liabilities</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Financial liabilities:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepositsAbstract" xlink:label="us-gaap_DepositsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DepositsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deposits [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepositsAbstract" xlink:to="us-gaap_DepositsAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DepositsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Deposits</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_DepositsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Composition of deposits</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DemandDepositAccounts" xlink:label="us-gaap_DemandDepositAccounts" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DemandDepositAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Demand Deposit Accounts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DemandDepositAccounts" xlink:to="us-gaap_DemandDepositAccounts_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DemandDepositAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Demand</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestBearingDepositLiabilities" xlink:label="us-gaap_InterestBearingDepositLiabilities" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestBearingDepositLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest-bearing Deposit Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestBearingDepositLiabilities" xlink:to="us-gaap_InterestBearingDepositLiabilities_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestBearingDepositLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Savings and interest checking</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepositsMoneyMarketDeposits" xlink:label="us-gaap_DepositsMoneyMarketDeposits" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DepositsMoneyMarketDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deposits, Money Market Deposits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepositsMoneyMarketDeposits" xlink:to="us-gaap_DepositsMoneyMarketDeposits_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DepositsMoneyMarketDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Money market</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TimeDeposits" xlink:label="us-gaap_TimeDeposits" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TimeDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Time Deposits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TimeDeposits" xlink:to="us-gaap_TimeDeposits_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TimeDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Time</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_TimeDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Deposits" xlink:label="us-gaap_Deposits" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Deposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deposits.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Deposits" xlink:to="us-gaap_Deposits_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Deposits_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total deposits</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesLongTerm" xlink:label="us-gaap_FederalHomeLoanBankAdvancesLongTerm" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesLongTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Long-term Federal Home Loan Bank Advances</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesLongTerm" xlink:to="us-gaap_FederalHomeLoanBankAdvancesLongTerm_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesLongTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Federal Home Loan Bank advances</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Securities Sold under Agreements to Repurchase</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xlink:to="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Wholesale repurchase agreements</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Carrying Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="us-gaap_ShortTermBorrowings" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Short-term Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermBorrowings" xlink:to="us-gaap_ShortTermBorrowings_lbl" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapital" xlink:to="us-gaap_AdditionalPaidInCapital_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Balance</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Stockholders' equity</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total stockholders' equity</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherInterestAndDividendIncome" xlink:label="us-gaap_OtherInterestAndDividendIncome" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_OtherInterestAndDividendIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Other income</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestAndDividendIncomeOperating" xlink:label="us-gaap_InterestAndDividendIncomeOperating" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestAndDividendIncomeOperating" xlink:to="us-gaap_InterestAndDividendIncomeOperating_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestAndDividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total interest and dividend income</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpenseAbstract" xlink:label="us-gaap_InterestExpenseAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest Expense [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseAbstract" xlink:to="us-gaap_InterestExpenseAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Interest expense:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpenseDeposits" xlink:label="us-gaap_InterestExpenseDeposits" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpenseDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest Expense, Deposits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseDeposits" xlink:to="us-gaap_InterestExpenseDeposits_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpenseDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Deposits</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm" xlink:label="us-gaap_InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm" xlink:to="us-gaap_InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Federal Home Loan Bank advances</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase" xlink:label="us-gaap_InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest Expense, Securities Sold under Agreements to Repurchase</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase" xlink:to="us-gaap_InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Wholesale repurchase agreements</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpenseShortTermBorrowings" xlink:label="us-gaap_InterestExpenseShortTermBorrowings" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpenseShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest Expense, Short-term Borrowings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseShortTermBorrowings" xlink:to="us-gaap_InterestExpenseShortTermBorrowings_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpenseShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Short-term borrowings</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpenseJuniorSubordinatedDebentures" xlink:label="us-gaap_InterestExpenseJuniorSubordinatedDebentures" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpenseJuniorSubordinatedDebentures_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest Expense, Junior Subordinated Debentures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseJuniorSubordinatedDebentures" xlink:to="us-gaap_InterestExpenseJuniorSubordinatedDebentures_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpenseJuniorSubordinatedDebentures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Interest expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpenseLesseeAssetsUnderCapitalLease" xlink:label="us-gaap_InterestExpenseLesseeAssetsUnderCapitalLease" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpenseLesseeAssetsUnderCapitalLease_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest Expense, Lessee, Assets under Capital Lease</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseLesseeAssetsUnderCapitalLease" xlink:to="us-gaap_InterestExpenseLesseeAssetsUnderCapitalLease_lbl" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="us-gaap_InterestExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total interest expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="us-gaap_InterestIncomeExpenseNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest Income (Expense), Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestIncomeExpenseNet" xlink:to="us-gaap_InterestIncomeExpenseNet_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net interest and dividend income before provision for loan losses</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProvisionForLoanAndLeaseLosses" xlink:label="us-gaap_ProvisionForLoanAndLeaseLosses" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanAndLeaseLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Provision for Loan and Lease Losses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForLoanAndLeaseLosses" xlink:to="us-gaap_ProvisionForLoanAndLeaseLosses_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanAndLeaseLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Provision for loan losses</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanAndLeaseLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Provision</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" xlink:label="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest Income (Expense), after Provision for Loan Loss</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" xlink:to="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net interest and dividend income after provision for loan losses</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoninterestIncomeAbstract" xlink:label="us-gaap_NoninterestIncomeAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NoninterestIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Noninterest Income [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoninterestIncomeAbstract" xlink:to="us-gaap_NoninterestIncomeAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NoninterestIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Noninterest income:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FeesAndCommissionsOther" xlink:label="us-gaap_FeesAndCommissionsOther" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FeesAndCommissionsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fees and Commissions, Other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FeesAndCommissionsOther" xlink:to="us-gaap_FeesAndCommissionsOther_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FeesAndCommissionsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fees for other services to customers</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_GainLossOnSaleOfLoansHeldForSale" xlink:label="nbn_GainLossOnSaleOfLoansHeldForSale" />
    <link:label xlink:type="resource" xlink:label="nbn_GainLossOnSaleOfLoansHeldForSale_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">The gain (loss) resulting from the sale of loans held for sale.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_GainLossOnSaleOfLoansHeldForSale" xlink:to="nbn_GainLossOnSaleOfLoansHeldForSale_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_GainLossOnSaleOfLoansHeldForSale_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Gain (Loss) on Sale of Loans Held For Sale</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_GainLossOnSaleOfLoansHeldForSale_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Gain on sales of loans held for sale, net</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_GainLossOnSaleOfLoansHeldForSale_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Gain on sales of loans held for sale</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_GainLossOnSaleOfLoansHeldForInvestment" xlink:label="nbn_GainLossOnSaleOfLoansHeldForInvestment" />
    <link:label xlink:type="resource" xlink:label="nbn_GainLossOnSaleOfLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">The gain (loss) resulting from the sale of loans held for investment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_GainLossOnSaleOfLoansHeldForInvestment" xlink:to="nbn_GainLossOnSaleOfLoansHeldForInvestment_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_GainLossOnSaleOfLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Gain (Loss) on Sale of Loans Held for Investment</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_GainLossOnSaleOfLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Gain on sales of portfolio loans, net</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_GainLossOnSaleOfLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Gain on sales of portfolio loans</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainsLossesOnSalesOfOtherRealEstate" xlink:label="us-gaap_GainsLossesOnSalesOfOtherRealEstate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_GainsLossesOnSalesOfOtherRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Gains (Losses) on Sales of Other Real Estate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnSalesOfOtherRealEstate" xlink:to="us-gaap_GainsLossesOnSalesOfOtherRealEstate_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_GainsLossesOnSalesOfOtherRealEstate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Gain recognized on real estate owned and other repossessed collateral, net</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BankOwnedLifeInsuranceIncome" xlink:label="us-gaap_BankOwnedLifeInsuranceIncome" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BankOwnedLifeInsuranceIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Bank Owned Life Insurance Income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BankOwnedLifeInsuranceIncome" xlink:to="us-gaap_BankOwnedLifeInsuranceIncome_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BankOwnedLifeInsuranceIncome_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Bank-owned life insurance income, net</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_BankOwnedLifeInsuranceIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Bank-owned life insurance income</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoninterestIncomeOtherOperatingIncome" xlink:label="us-gaap_NoninterestIncomeOtherOperatingIncome" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NoninterestIncomeOtherOperatingIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Noninterest Income, Other Operating Income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoninterestIncomeOtherOperatingIncome" xlink:to="us-gaap_NoninterestIncomeOtherOperatingIncome_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NoninterestIncomeOtherOperatingIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Other noninterest income</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoninterestIncome" xlink:label="us-gaap_NoninterestIncome" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NoninterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Noninterest Income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoninterestIncome" xlink:to="us-gaap_NoninterestIncome_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NoninterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total noninterest income</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoninterestExpenseAbstract" xlink:label="us-gaap_NoninterestExpenseAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NoninterestExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Noninterest Expense [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoninterestExpenseAbstract" xlink:to="us-gaap_NoninterestExpenseAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NoninterestExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Noninterest expense:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="us-gaap_LaborAndRelatedExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LaborAndRelatedExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Labor and Related Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LaborAndRelatedExpense" xlink:to="us-gaap_LaborAndRelatedExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LaborAndRelatedExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Salaries and employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OccupancyNet" xlink:label="us-gaap_OccupancyNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OccupancyNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Occupancy, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OccupancyNet" xlink:to="us-gaap_OccupancyNet_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OccupancyNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Occupancy and equipment expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProfessionalFees" xlink:label="us-gaap_ProfessionalFees" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Professional Fees</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfessionalFees" xlink:to="us-gaap_ProfessionalFees_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Professional fees</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InformationTechnologyAndDataProcessing" xlink:label="us-gaap_InformationTechnologyAndDataProcessing" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InformationTechnologyAndDataProcessing_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Information Technology and Data Processing</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InformationTechnologyAndDataProcessing" xlink:to="us-gaap_InformationTechnologyAndDataProcessing_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InformationTechnologyAndDataProcessing_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Data processing fees</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketingExpense" xlink:label="us-gaap_MarketingExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_MarketingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Marketing Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketingExpense" xlink:to="us-gaap_MarketingExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_MarketingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Marketing expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LoanPortfolioExpense" xlink:label="us-gaap_LoanPortfolioExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LoanPortfolioExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Loan Portfolio Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoanPortfolioExpense" xlink:to="us-gaap_LoanPortfolioExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LoanPortfolioExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loan acquisition and collection expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FederalDepositInsuranceCorporationPremiumExpense" xlink:label="us-gaap_FederalDepositInsuranceCorporationPremiumExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalDepositInsuranceCorporationPremiumExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Federal Deposit Insurance Corporation Premium Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalDepositInsuranceCorporationPremiumExpense" xlink:to="us-gaap_FederalDepositInsuranceCorporationPremiumExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalDepositInsuranceCorporationPremiumExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">FDIC insurance premiums</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_AmortizationOfIntangibleAssetsContinuingOperations" xlink:label="nbn_AmortizationOfIntangibleAssetsContinuingOperations" />
    <link:label xlink:type="resource" xlink:label="nbn_AmortizationOfIntangibleAssetsContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">The aggregate expense charged against earnings from continuing operations to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_AmortizationOfIntangibleAssetsContinuingOperations" xlink:to="nbn_AmortizationOfIntangibleAssetsContinuingOperations_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_AmortizationOfIntangibleAssetsContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Amortization of Intangible Assets, Continuing Operations</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_AmortizationOfIntangibleAssetsContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Intangible asset amortization</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LegalFees" xlink:label="us-gaap_LegalFees" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LegalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Legal Fees</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LegalFees" xlink:to="us-gaap_LegalFees_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LegalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Legal settlement recovery</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherNoninterestExpense" xlink:label="us-gaap_OtherNoninterestExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherNoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Noninterest Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNoninterestExpense" xlink:to="us-gaap_OtherNoninterestExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherNoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Other noninterest expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoninterestExpense" xlink:label="us-gaap_NoninterestExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Noninterest Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoninterestExpense" xlink:to="us-gaap_NoninterestExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total noninterest expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Income from continuing operations before income tax expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Income Tax Expense (Benefit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Income tax expense</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total tax provision</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Income tax expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Income (Loss) from Continuing Operations Attributable to Parent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperations" xlink:to="us-gaap_IncomeLossFromContinuingOperations_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net income from continuing operations</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:to="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loss from discontinued operations</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">(Loss) income before tax</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:label="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Discontinued Operation, Tax Effect of Discontinued Operation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation" xlink:to="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Income tax (benefit) expense</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Income tax benefit</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net loss from discontinued operations</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Income (Loss) Attributable to Parent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Net income</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net income</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract" xlink:label="us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Earnings Per Share, Basic, Other Disclosures [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract" xlink:to="us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Weighted-average shares outstanding:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Basic (in shares)</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Weighted average shares used in calculation of basic EPS</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDilutedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Diluted earnings per common share:</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Income (Loss) from Continuing Operations, Per Diluted Share</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Income from continuing operations (in dollars per share)</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Income from continuing operations (in dollars per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Income from discontinued operations (in dollars per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDiluted" xlink:to="us-gaap_EarningsPerShareDiluted_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net income (in dollars per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockDividendsPerShareDeclared" xlink:to="us-gaap_CommonStockDividendsPerShareDeclared_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Cash dividends declared per common share (in dollars per share)</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Dividends on common stock (in dollars per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:to="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParentAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParentAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Available-for-sale securities:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_EquityComponentDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Equity Component [Domain]</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Stock Repurchased During Period, Shares</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansMember" xlink:to="us-gaap_LoansMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans net</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepositsMember" xlink:label="us-gaap_DepositsMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deposits [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepositsMember" xlink:to="us-gaap_DepositsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Deposits net</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BorrowingsMember" xlink:label="us-gaap_BorrowingsMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BorrowingsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Borrowings [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BorrowingsMember" xlink:to="us-gaap_BorrowingsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BorrowingsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Borrowings net</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Operating activities:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Adjustments to reconcile net income to net cash used in operating activities</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Adjustments to reconcile net income to net cash provided by (used in) operating activities:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccretionExpense" xlink:label="us-gaap_AccretionExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AccretionExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Accretion Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccretionExpense" xlink:to="us-gaap_AccretionExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AccretionExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Accretion of fair value adjustments, net</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale" xlink:label="us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Payments for Origination and Purchases of Loans Held-for-sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale" xlink:to="us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Originations of loans held for sale</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:label="us-gaap_ProceedsFromSaleOfLoansHeldForSale" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfLoansHeldForSale_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Proceeds from Sale of Loans Held-for-sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:to="us-gaap_ProceedsFromSaleOfLoansHeldForSale_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfLoansHeldForSale_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Net proceeds from sales of loans held for sale</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="us-gaap_AmortizationOfIntangibleAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Amortization of Intangible Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfIntangibleAssets" xlink:to="us-gaap_AmortizationOfIntangibleAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Amortization</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Amortization of intangible assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Depreciation" xlink:label="us-gaap_Depreciation" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Depreciation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Depreciation" xlink:to="us-gaap_Depreciation_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Depreciation of premises and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" />
    <link:label xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Gain (Loss) on Disposition of Property Plant Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:to="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Loss on sale of premises and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Income Tax Expense (Benefit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Deferred income tax benefit</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total deferred benefit</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Stock-based compensation</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Accretion (Amortization) of Discounts and Premiums, Investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:to="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Amortization of securities, net</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Changes in other assets and liabilities:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Increase (Decrease) in Other Operating Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Other assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Increase (Decrease) in Other Operating Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Other liabilities</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities, Continuing Operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net cash used in operating activities</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Investing activities:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecurities" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Payments to Acquire Available-for-sale Securities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:to="us-gaap_PaymentsToAcquireAvailableForSaleSecurities_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Purchases of available-for-sale securities</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:label="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:to="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Proceeds from maturities and principal payments on available-for-sale securities</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireLoansHeldForInvestment" xlink:label="us-gaap_PaymentsToAcquireLoansHeldForInvestment" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Payments to Acquire Loans Held-for-investment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireLoansHeldForInvestment" xlink:to="us-gaap_PaymentsToAcquireLoansHeldForInvestment_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Loan purchases</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfLoansHeldForInvestment" xlink:label="us-gaap_ProceedsFromSaleOfLoansHeldForInvestment" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Proceeds from Sale of Loans Held-for-investment</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xml:lang="en-US">Loans sold in secondary markets</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Proceeds from sales of portfolio loans</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsOfLoanCosts" xlink:label="us-gaap_PaymentsOfLoanCosts" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsOfLoanCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Payments of Loan Costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfLoanCosts" xlink:to="us-gaap_PaymentsOfLoanCosts_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsOfLoanCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Loan originations, principal collections, and purchased loan paydowns, net</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Payments to Acquire Property, Plant, and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Purchases of premises and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Proceeds from Sale of Property, Plant, and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Proceeds from sales of premises and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfForeclosedAssets" xlink:label="us-gaap_ProceedsFromSaleOfForeclosedAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfForeclosedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Proceeds from Sale of Foreclosed Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfForeclosedAssets" xlink:to="us-gaap_ProceedsFromSaleOfForeclosedAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfForeclosedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Proceeds from sales of real estate owned and other repossessed collateral</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfFederalReserveStock" xlink:label="us-gaap_ProceedsFromSaleOfFederalReserveStock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfFederalReserveStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Proceeds from Sale of Federal Reserve Bank Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfFederalReserveStock" xlink:to="us-gaap_ProceedsFromSaleOfFederalReserveStock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfFederalReserveStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Redemption of regulatory stock, net</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities, Continuing Operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net cash used in investing activities</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Financing activities:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInDeposits" xlink:label="us-gaap_IncreaseDecreaseInDeposits" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Increase (Decrease) in Deposits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDeposits" xlink:to="us-gaap_IncreaseDecreaseInDeposits_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Net increase in deposits</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="us-gaap_ProceedsFromRepaymentsOfShortTermDebt" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Proceeds from (Repayments of) Short-term Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:to="us-gaap_ProceedsFromRepaymentsOfShortTermDebt_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Net (decrease) increase in short-term borrowings</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="us-gaap_PaymentsOfDividendsCommonStock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Payments of Ordinary Dividends, Common Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividendsCommonStock" xlink:to="us-gaap_PaymentsOfDividendsCommonStock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Dividends paid on common stock</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Payments for Repurchase of Common Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Repurchase of common stock</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet" xlink:label="us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet" xlink:to="us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Repayment of FHLB borrowings and wholesale repurchase agreements</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromFederalHomeLoanBankAdvances" xlink:label="us-gaap_ProceedsFromFederalHomeLoanBankAdvances" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromFederalHomeLoanBankAdvances_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Proceeds from Federal Home Loan Bank Advances</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromFederalHomeLoanBankAdvances" xlink:to="us-gaap_ProceedsFromFederalHomeLoanBankAdvances_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromFederalHomeLoanBankAdvances_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Proceeds from FHLB borrowings</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:label="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Repayments of Long-term Capital Lease Obligations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:to="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Repayment of capital lease obligation</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities, Continuing Operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net cash provided by financing activities</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInContinuingOperations" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Cash Provided by (Used in) Continuing Operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInContinuingOperations_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net increase in cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Supplemental schedule of cash flow information:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestPaid" xlink:label="us-gaap_InterestPaid" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest Paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaid" xlink:to="us-gaap_InterestPaid_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Interest paid</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="us-gaap_IncomeTaxesPaidNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Income Taxes Paid, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaidNet" xlink:to="us-gaap_IncomeTaxesPaidNet_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Income taxes paid, net of refunds received</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Supplemental schedule of noncash investing and financing activities:</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_TransferOfLoansToForeclosedAssets" xlink:label="nbn_TransferOfLoansToForeclosedAssets" />
    <link:label xlink:type="resource" xlink:label="nbn_TransferOfLoansToForeclosedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">The value of loans transferred to foreclosed assets in a non-cash transaction.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_TransferOfLoansToForeclosedAssets" xlink:to="nbn_TransferOfLoansToForeclosedAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_TransferOfLoansToForeclosedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Transfer of Loans to Foreclosed Assets</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_TransferOfLoansToForeclosedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Transfers from loans to real estate owned and other repossessed collateral</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract_lbl" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Securities Available-for-Sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:to="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans, Allowance for Loan Losses and Credit Quality</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Premises and Equipment</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Intangible Assets</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TransfersAndServicingOfFinancialAssetsAbstract" xlink:to="us-gaap_TransfersAndServicingOfFinancialAssetsAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock" xlink:label="us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Transfers and Servicing of Financial Assets [Text Block]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Transfers and Servicing of Financial Assets</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Borrowings.</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_JuniorSubordinatedDebtSecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">This element represent Junior Subordinated Debentures Issued to Affiliated Trusts.</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_JuniorSubordinatedDebtSecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Junior Subordinated Debentures Issued to Affiliated Trusts</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_JuniorSubordinatedDebtSecuritiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">This element represent Junior Subordinated Debentures Issued to Affiliated Trusts.</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BankingAndThriftAbstract" xlink:label="us-gaap_BankingAndThriftAbstract" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Employee Benefit Plans</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Troubled Debt Restructurings on Financing Receivables [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock" xlink:to="us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of company's post modification balance of TDRs by type of modification</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_TroubledDebtRestructuringsOnFinancingReceivablesRecordedInvestmentTableTextBlock" xlink:label="nbn_TroubledDebtRestructuringsOnFinancingReceivablesRecordedInvestmentTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="nbn_TroubledDebtRestructuringsOnFinancingReceivablesRecordedInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Tabular disclosure of the recorded investment in financing receivables and troubled debt restructurings.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_TroubledDebtRestructuringsOnFinancingReceivablesRecordedInvestmentTableTextBlock" xlink:to="nbn_TroubledDebtRestructuringsOnFinancingReceivablesRecordedInvestmentTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_TroubledDebtRestructuringsOnFinancingReceivablesRecordedInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Troubled Debt Restructurings on Financing Receivables Recorded Investment [Table Text Block]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_TroubledDebtRestructuringsOnFinancingReceivablesRecordedInvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of loans modified in a TDR and the change in the recorded investment subsequent to the modifications</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_TroubledDebtRestructuringsOnFinancingReceivablesSubsequentDefaultTableTextBlock" xlink:label="nbn_TroubledDebtRestructuringsOnFinancingReceivablesSubsequentDefaultTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="nbn_TroubledDebtRestructuringsOnFinancingReceivablesSubsequentDefaultTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Tabular disclosure of the recorded investment in financing receivables and troubled debt restructurings subsequently defaulted.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_TroubledDebtRestructuringsOnFinancingReceivablesSubsequentDefaultTableTextBlock" xlink:to="nbn_TroubledDebtRestructuringsOnFinancingReceivablesSubsequentDefaultTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_TroubledDebtRestructuringsOnFinancingReceivablesSubsequentDefaultTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Troubled Debt Restructurings on Financing Receivables Subsequent Default [Table Text Block]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_TroubledDebtRestructuringsOnFinancingReceivablesSubsequentDefaultTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of loans that have been modified during the past twelve months which have subsequently defaulted</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock" xlink:to="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Summary of loans acquired by the Company accounted for under ASC 310-30</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_CertainLoansAcquiredInTransferNotAccountedForUsingIncomeRecognitionModelAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock" xlink:label="nbn_CertainLoansAcquiredInTransferNotAccountedForUsingIncomeRecognitionModelAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoansAcquiredInTransferNotAccountedForUsingIncomeRecognitionModelAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Tabular disclosure of the loans acquired in a transfer that were not accounted for using the income recognition model.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_CertainLoansAcquiredInTransferNotAccountedForUsingIncomeRecognitionModelAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock" xlink:to="nbn_CertainLoansAcquiredInTransferNotAccountedForUsingIncomeRecognitionModelAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoansAcquiredInTransferNotAccountedForUsingIncomeRecognitionModelAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loans Acquired In Transfer Not Accounted For Using Income Recognition Model As Debt Securities Acquired During Period [Table Text Block]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoansAcquiredInTransferNotAccountedForUsingIncomeRecognitionModelAsDebtSecuritiesAcquiredDuringPeriodTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Summary of the loans acquired by the Company are not accounted for using the income recognition model</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_LoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldActivityTableTextBlock" xlink:label="nbn_LoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldActivityTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="nbn_LoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Tabular disclosure of changes in the aggregate excess of loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_LoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldActivityTableTextBlock" xlink:to="nbn_LoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldActivityTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_LoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Loans Acquired in Transfer Not Accounted for as Debt Securities Accretable Yield Activity [Table Text Block]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_LoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Summary of the activity in the accretable yield for loans accounted for under ASC 310-30</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ScheduleOfCreditImpairedLoansTableTextBlock" xlink:label="nbn_ScheduleOfCreditImpairedLoansTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfCreditImpairedLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Tabular disclosure of the unpaid principal balance and carrying amount of purchased credit impaired loans.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ScheduleOfCreditImpairedLoansTableTextBlock" xlink:to="nbn_ScheduleOfCreditImpairedLoansTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfCreditImpairedLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Credit Impaired Loans [Table Text Block]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfCreditImpairedLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Information related to the unpaid principal balance and carrying amounts of ASC 310-30 loans</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Property, Plant and Equipment [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of premises and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTableTextBlock" xlink:label="nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Tabular disclosure of assets, including goodwill, lacking physical substance with a finite life, by either major class or business segment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTableTextBlock" xlink:to="nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Finite Lived Intangible Assets Including Goodwill [Table Text Block]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of changes in the carrying amount of intangible assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of components of identifiable intangible assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:to="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of estimated annual amortization expense associated with intangible assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ServicingAssetsAtAmortizedValueTable" xlink:label="us-gaap_ServicingAssetsAtAmortizedValueTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetsAtAmortizedValueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Servicing Asset at Amortized Cost [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ServicingAssetsAtAmortizedValueTable" xlink:to="us-gaap_ServicingAssetsAtAmortizedValueTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ServicingAssetsAtAmortizedValueLineItems" xlink:label="us-gaap_ServicingAssetsAtAmortizedValueLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetsAtAmortizedValueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Servicing Asset at Amortized Cost [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ServicingAssetsAtAmortizedValueLineItems" xlink:to="us-gaap_ServicingAssetsAtAmortizedValueLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetsAtAmortizedValueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Transfers and Servicing of Financial Assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock" xlink:label="us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Servicing Asset at Amortized Cost [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock" xlink:to="us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of servicing rights activity</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ScheduleOfCompositionOfDepositsTableTextBlock" xlink:label="nbn_ScheduleOfCompositionOfDepositsTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfCompositionOfDepositsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Tabular disclosure of composition of deposits.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ScheduleOfCompositionOfDepositsTableTextBlock" xlink:to="nbn_ScheduleOfCompositionOfDepositsTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfCompositionOfDepositsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Composition of Deposits [Table Text Block]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfCompositionOfDepositsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of composition of deposits</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ScheduleOfMaturitiesOfTimeCertificatesTableTextBlock" xlink:label="nbn_ScheduleOfMaturitiesOfTimeCertificatesTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfMaturitiesOfTimeCertificatesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Tabular disclosure of scheduled maturities of time certificates by fiscal year.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ScheduleOfMaturitiesOfTimeCertificatesTableTextBlock" xlink:to="nbn_ScheduleOfMaturitiesOfTimeCertificatesTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfMaturitiesOfTimeCertificatesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Maturities of Time Certificates [Table Text Block]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfMaturitiesOfTimeCertificatesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of maturities of time certificates</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTextBlock" xlink:label="us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Federal Home Loan Bank, Advances, by Branch of FHLB Bank [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTextBlock" xlink:to="us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Summary of advances from the Federal Home Loan Bank of Boston</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfRepurchaseAgreements" xlink:label="us-gaap_ScheduleOfRepurchaseAgreements" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfRepurchaseAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Repurchase Agreements [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRepurchaseAgreements" xlink:to="us-gaap_ScheduleOfRepurchaseAgreements_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfRepurchaseAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Summary of wholesale repurchase agreements</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock" xlink:label="us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock" xlink:to="us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of outstanding capital lease obligations</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfSubordinatedBorrowingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Subordinated Borrowing [Table Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of average anti-dilutive options and warrants</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:to="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of current and deferred components of income tax expense from continuing operations</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:to="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of reconciliation between the statutory federal income tax rate and the effective tax rate on income from continuing operations</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of significant portions of the deferred tax assets and deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" xlink:label="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Summary of Income Tax Contingencies [Table Text Block]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of reconciliation of the beginning and ending amounts of uncertain tax positions</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Stock Option Activity</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Information about Stock Options Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock" xlink:label="us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock" xlink:to="us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Summary of restricted stock activity</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnrecognizedCompensationCostNonvestedAwardsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfUnrecognizedCompensationCostNonvestedAwardsTableTextBlock" xlink:to="us-gaap_ScheduleOfUnrecognizedCompensationCostNonvestedAwardsTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnrecognizedCompensationCostNonvestedAwardsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Estimated Amount and Timing of Future Pre-tax Stock-based Compensation Expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationTechniqueAxis" xlink:label="us-gaap_ValuationTechniqueAxis" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationTechniqueDomain" xlink:label="us-gaap_ValuationTechniqueDomain" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationTechniqueDomain" xlink:to="us-gaap_ValuationTechniqueDomain_lbl" />
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    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_BlackScholesOptionPricingModelMember" xlink:label="nbn_BlackScholesOptionPricingModelMember" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_BlackScholesOptionPricingModelMember" xlink:to="nbn_BlackScholesOptionPricingModelMember_lbl" />
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    <link:label xlink:type="resource" xlink:label="nbn_BlackScholesOptionPricingModelMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Black-Scholes option-pricing model</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_HullWhiteOptionPricingModelMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to the Hull-White option pricing model.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_HullWhiteOptionPricingModelMember" xlink:to="nbn_HullWhiteOptionPricingModelMember_lbl" />
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    <link:label xlink:type="resource" xlink:label="nbn_HullWhiteOptionPricingModelMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Hull-White option pricing model</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of a option-pricing model weighted-average assumptions</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock" xlink:to="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of Financial Instruments with contract amounts that represent credit risk</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:to="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of approximate future minimum lease payments over the remaining terms of the Company's leases</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock" xlink:label="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Comprehensive Income (Loss) [Table Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of information pertaining to outstanding interest rate caps and swap agreements used to hedge junior subordinated debt and FHLB advances</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfFairValueHedgeIneffectivenessTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Fair Value Hedge Ineffectiveness [Table Text Block]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfFairValueHedgeIneffectivenessTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of amounts recognized in income related to both hedge ineffectiveness and amounts excluded from effectiveness testing</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of assets measured at fair value on a nonrecurring basis</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fair Value, by Balance Sheet Grouping [Table Text Block]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Schedule of estimated fair value of the Company's financial instruments</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfCondensedBalanceSheetTableTextBlock" xlink:label="us-gaap_ScheduleOfCondensedBalanceSheetTableTextBlock" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock" xlink:label="us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfCondensedCashFlowStatementTableTextBlock" xlink:label="us-gaap_ScheduleOfCondensedCashFlowStatementTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfCondensedCashFlowStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Condensed Cash Flow Statement [Table Text Block]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfCondensedCashFlowStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Condensed Financial Information Statements of Cash Flow</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementTableTextBlock" xlink:label="nbn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Tabular disclosure of disposal groups operations.</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Disposal Groups, Including Discontinued Operations Income Statement [Table Text Block]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Summary of operations of the Company's investment brokerage division</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Investments in NBN Capital Trust affiliates</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashReserveDepositRequiredAndMade" xlink:label="us-gaap_CashReserveDepositRequiredAndMade" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CashReserveDepositRequiredAndMade_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Cash Reserve Deposit Required and Made</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_TransferOfAssetsNumberOfAgreementsToRepurchaseBeforeMaturity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the number of agreements to repurchase before maturity in transfer of financial assets.</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_TransferOfAssetsNumberOfAgreementsToRepurchaseBeforeMaturity_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Transfer Of Assets, Number Of Agreements To Repurchase Before Maturity</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="us-gaap_NumberOfReportableSegments" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Number of Reportable Segments</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Number of reportable operating segment</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_SummaryOfSignificantAccountingPoliciesTable" xlink:label="nbn_SummaryOfSignificantAccountingPoliciesTable" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="us-gaap_FinancialInstrumentAxis" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Financial Instruments [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ConsumerResidentialRealEstateMember" xlink:label="nbn_ConsumerResidentialRealEstateMember" />
    <link:label xlink:type="resource" xlink:label="nbn_ConsumerResidentialRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Loan or extension of credit for personal, family, or household use including real estate.</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_ConsumerResidentialRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Consumer Residential Real Estate [Member]</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Summary of Significant Accounting Policies [Line Items]</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Summary of Significant Accounting Policies</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ThresholdPeriodPastDueForWriteoffOfFinancingReceivable" xlink:label="us-gaap_ThresholdPeriodPastDueForWriteoffOfFinancingReceivable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ThresholdPeriodPastDueForWriteoffOfFinancingReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Threshold Period Past Due for Write-off of Financing Receivable</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_ThresholdPeriodPastDueForWriteoffOfFinancingReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Maximum charge-off period</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NumberOfAvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses" xlink:to="nbn_NumberOfAvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NumberOfAvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Number of Available For Sale Securities Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NumberOfAvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Number of securities in a continuous loss position for greater than twelve months</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Due within one year, Amortized Cost</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Due after one year through five years, Amortized Cost</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Due after five years through ten years, Amortized Cost</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Due after ten years, Amortized Cost</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Due within one year, Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Due after one year through five years, Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Due after five years through ten years, Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Due after ten years, Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Accounts, Notes, Loans and Financing Receivable [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:to="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Receivable Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:to="us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="us-gaap_ReceivableTypeDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ReceivableTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Receivable Type [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivableTypeDomain" xlink:to="us-gaap_ReceivableTypeDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ReceivableTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Receivable [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_LoanPortfolioOriginatedMember" xlink:label="nbn_LoanPortfolioOriginatedMember" />
    <link:label xlink:type="resource" xlink:label="nbn_LoanPortfolioOriginatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Loan portfolio originated by the reporting entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_LoanPortfolioOriginatedMember" xlink:to="nbn_LoanPortfolioOriginatedMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_LoanPortfolioOriginatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Loan Portfolio Originated [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_LoanPortfolioOriginatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Originated</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_LoanPortfolioPurchasedMember" xlink:label="nbn_LoanPortfolioPurchasedMember" />
    <link:label xlink:type="resource" xlink:label="nbn_LoanPortfolioPurchasedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Loan portfolio acquired in a transfer.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_LoanPortfolioPurchasedMember" xlink:to="nbn_LoanPortfolioPurchasedMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_LoanPortfolioPurchasedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Loan Portfolio Purchased [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_LoanPortfolioPurchasedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Purchased</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ResidentialMortgageMember" xlink:label="us-gaap_ResidentialMortgageMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ResidentialMortgageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Residential Mortgage [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResidentialMortgageMember" xlink:to="us-gaap_ResidentialMortgageMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ResidentialMortgageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Residential</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_HomeEquityMember" xlink:label="us-gaap_HomeEquityMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_HomeEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Home Equity [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HomeEquityMember" xlink:to="us-gaap_HomeEquityMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_HomeEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Home equity</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommercialRealEstateMember" xlink:label="us-gaap_CommercialRealEstateMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CommercialRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Commercial Real Estate [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommercialRealEstateMember" xlink:to="us-gaap_CommercialRealEstateMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CommercialRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Commercial real estate.</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommercialLoanMember" xlink:label="us-gaap_CommercialLoanMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CommercialLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Commercial Loan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommercialLoanMember" xlink:to="us-gaap_CommercialLoanMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CommercialLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Commercial business</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConsumerLoanMember" xlink:label="us-gaap_ConsumerLoanMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ConsumerLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Consumer Loan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsumerLoanMember" xlink:to="us-gaap_ConsumerLoanMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ConsumerLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Consumer.</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1" xlink:to="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans pledged as collateral with the FHLB for borrowings</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:label="us-gaap_ScheduleOfFinancingReceivablesPastDueTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivablesPastDueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Financing Receivables Past Due [Table]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestment30To59DaysPastDue" xlink:label="us-gaap_FinancingReceivableRecordedInvestment30To59DaysPastDue" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestment30To59DaysPastDue" xlink:to="us-gaap_FinancingReceivableRecordedInvestment30To59DaysPastDue_lbl" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue" xlink:label="us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Recorded Investment, 60 to 89 Days Past Due</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue" xlink:to="us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">60-89 Days</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_FinancingReceivableRecordedInvestment90DaysPastDueAndNonaccrual" xlink:label="nbn_FinancingReceivableRecordedInvestment90DaysPastDueAndNonaccrual" />
    <link:label xlink:type="resource" xlink:label="nbn_FinancingReceivableRecordedInvestment90DaysPastDueAndNonaccrual_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Financing Receivable Recorded Investment 90 Days Past Due and Nonaccrual.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_FinancingReceivableRecordedInvestment90DaysPastDueAndNonaccrual" xlink:to="nbn_FinancingReceivableRecordedInvestment90DaysPastDueAndNonaccrual_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_FinancingReceivableRecordedInvestment90DaysPastDueAndNonaccrual_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable Recorded Investment 90 Days Past Due and Nonaccrual</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_FinancingReceivableRecordedInvestment90DaysPastDueAndNonaccrual_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Past Due 90 Days or More-Nonaccrual</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Recorded Investment, Past Due</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total Past Due</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentCurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Recorded Investment, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentCurrent_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Total Current</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Recorded Investment, Nonaccrual Status</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Non-Accrual Loans</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:label="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Financing Receivable, Allowance for Credit Losses [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:to="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Class of Financing Receivable [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable Recorded Investment Class Of Financing Receivable [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class of Financing Receivable [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ResidentialPortfolioSegmentMember" xlink:label="us-gaap_ResidentialPortfolioSegmentMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ResidentialPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Residential Portfolio Segment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResidentialPortfolioSegmentMember" xlink:to="us-gaap_ResidentialPortfolioSegmentMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ResidentialPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Residential Real Estate</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:label="us-gaap_CommercialRealEstatePortfolioSegmentMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CommercialRealEstatePortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Commercial Real Estate Portfolio Segment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommercialRealEstatePortfolioSegmentMember" xlink:to="us-gaap_CommercialRealEstatePortfolioSegmentMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CommercialRealEstatePortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Commercial Real Estate</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConsumerPortfolioSegmentMember" xlink:label="us-gaap_ConsumerPortfolioSegmentMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ConsumerPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Consumer Portfolio Segment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsumerPortfolioSegmentMember" xlink:to="us-gaap_ConsumerPortfolioSegmentMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ConsumerPortfolioSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Consumer</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnallocatedFinancingReceivablesMember" xlink:label="us-gaap_UnallocatedFinancingReceivablesMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_UnallocatedFinancingReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Unallocated Financing Receivables [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnallocatedFinancingReceivablesMember" xlink:to="us-gaap_UnallocatedFinancingReceivablesMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_UnallocatedFinancingReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Unallocated</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Allowance for Credit Losses [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Financing Receivable, Allowance for Credit Losses</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Allowance for Loan and Lease Loss, Recovery of Bad Debts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts" xlink:to="us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Recoveries</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Allowance for Loan and Lease Losses, Write-offs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" xlink:to="us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Charge-offs</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Allowance for loan losses:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Individually evaluated</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Collectively evaluated</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">ASC 310-30</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_LoansReceivableNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans:</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_SpecialMentionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans rated 7</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubstandardMember" xlink:label="us-gaap_SubstandardMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SubstandardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Substandard [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubstandardMember" xlink:to="us-gaap_SubstandardMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SubstandardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans rated 8</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DoubtfulMember" xlink:label="us-gaap_DoubtfulMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DoubtfulMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Doubtful [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DoubtfulMember" xlink:to="us-gaap_DoubtfulMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DoubtfulMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans rated 9</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentLineItems" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Recorded Investment [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentLineItems" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Financing Receivable, Recorded Investment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NotesReceivableNet" xlink:label="us-gaap_NotesReceivableNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesReceivableNet" xlink:to="us-gaap_NotesReceivableNet_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loan by risk rating</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:label="us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Financing Receivable, Troubled Debt Restructurings [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:to="us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableTroubledDebtRestructuringAxis" xlink:label="us-gaap_FinancingReceivableTroubledDebtRestructuringAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableTroubledDebtRestructuringAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Troubled Debt Restructuring [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableTroubledDebtRestructuringAxis" xlink:to="us-gaap_FinancingReceivableTroubledDebtRestructuringAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableTroubledDebtRestructuringDomain" xlink:label="us-gaap_FinancingReceivableTroubledDebtRestructuringDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableTroubledDebtRestructuringDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable Troubled Debt Restructuring [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableTroubledDebtRestructuringDomain" xlink:to="us-gaap_FinancingReceivableTroubledDebtRestructuringDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableTroubledDebtRestructuringDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Financing Receivable, Troubled Debt Restructuring [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ExtendedMaturityMember" xlink:label="nbn_ExtendedMaturityMember" />
    <link:label xlink:type="resource" xlink:label="nbn_ExtendedMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to extended maturity modification by troubled debt restructurings related to financing receivables.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ExtendedMaturityMember" xlink:to="nbn_ExtendedMaturityMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ExtendedMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Extended Maturity [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ExtendedMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Extended maturity</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_AdjustedInterestRateMember" xlink:label="nbn_AdjustedInterestRateMember" />
    <link:label xlink:type="resource" xlink:label="nbn_AdjustedInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to adjusted interest rate modification by troubled debt restructurings related to financing receivables.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_AdjustedInterestRateMember" xlink:to="nbn_AdjustedInterestRateMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_AdjustedInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Adjusted Interest Rate [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_AdjustedInterestRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Adjusted interest rate</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_RateAndMaturityMember" xlink:label="nbn_RateAndMaturityMember" />
    <link:label xlink:type="resource" xlink:label="nbn_RateAndMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to rate and maturity modification by troubled debt restructurings related to financing receivables.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_RateAndMaturityMember" xlink:to="nbn_RateAndMaturityMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_RateAndMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Rate And Maturity [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_RateAndMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Rate and maturity</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_PrincipalDefermentMember" xlink:label="nbn_PrincipalDefermentMember" />
    <link:label xlink:type="resource" xlink:label="nbn_PrincipalDefermentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to the principal deferment modification by troubled debt restructurings related to financing receivables.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_PrincipalDefermentMember" xlink:to="nbn_PrincipalDefermentMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_PrincipalDefermentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Principal Deferment [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_PrincipalDefermentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Principal deferment</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_CourtOrderedConcessionMember" xlink:label="nbn_CourtOrderedConcessionMember" />
    <link:label xlink:type="resource" xlink:label="nbn_CourtOrderedConcessionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to modification due to court ordered concession by troubled debt restructurings related to financing receivables.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_CourtOrderedConcessionMember" xlink:to="nbn_CourtOrderedConcessionMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_CourtOrderedConcessionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Court Ordered Concession [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_CourtOrderedConcessionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Court ordered concession</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_OtherModificationMember" xlink:label="nbn_OtherModificationMember" />
    <link:label xlink:type="resource" xlink:label="nbn_OtherModificationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to other modification by troubled debt restructurings related to financing receivables.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_OtherModificationMember" xlink:to="nbn_OtherModificationMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_OtherModificationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Modification [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_OtherModificationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Other</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableModificationsLineItems" xlink:label="us-gaap_FinancingReceivableModificationsLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Modifications [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsLineItems" xlink:to="us-gaap_FinancingReceivableModificationsLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Financing Receivable, Modifications</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableModificationsNumberOfContracts2" xlink:label="us-gaap_FinancingReceivableModificationsNumberOfContracts2" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsNumberOfContracts2_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Modifications, Number of Contracts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsNumberOfContracts2" xlink:to="us-gaap_FinancingReceivableModificationsNumberOfContracts2_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsNumberOfContracts2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Number of Contracts</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xlink:label="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Modifications, Post-Modification Recorded Investment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xlink:to="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Recorded Investment Post-Modification</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Recorded Investment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Modifications, Pre-Modification Recorded Investment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" xlink:to="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Recorded Investment Pre-Modification</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Modifications, Subsequent Default, Number of Contracts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1" xlink:to="us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Number of Contracts - Defaulted</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financing Receivable, Modifications, Subsequent Default, Recorded Investment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1" xlink:to="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Recorded Investment - Defaulted</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAbstract" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAbstract" xlink:to="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition" xlink:label="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition" />
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the amount of contractually required payments receivable at the acquisition of acquired loan not accounted for as debt securities with the evidence of deterioration of credit quality.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition" xlink:to="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loan Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period Contractually Required Payments Receivable at Acquisition</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Contractually required payments receivable</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NonaccretableDifference" xlink:label="nbn_NonaccretableDifference" />
    <link:label xlink:type="resource" xlink:label="nbn_NonaccretableDifference_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Nonaccretable Difference.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NonaccretableDifference" xlink:to="nbn_NonaccretableDifference_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NonaccretableDifference_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Nonaccretable Difference</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NonaccretableDifference_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Nonaccretable difference</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition" xlink:label="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition" />
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the amount of cash flows expected to be collected at the acquisition of acquired loan not accounted for as debt securities with the evidence of deterioration of credit quality.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition" xlink:to="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loan Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period Cash Flows Expected to be Collected at Acquisition</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Cash flows expected to be collected</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_AccretableYield" xlink:label="nbn_AccretableYield" />
    <link:label xlink:type="resource" xlink:label="nbn_AccretableYield_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Accretable Yield.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_AccretableYield" xlink:to="nbn_AccretableYield_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_AccretableYield_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Accretable Yield</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_AccretableYield_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Accretable yield</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue" xlink:label="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue" />
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the amount of cash flows expected to be collected at the acquisition of acquired loan not accounted for as debt securities with the evidence of deterioration of credit quality.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue" xlink:to="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loan Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period at Acquisition at Fair Value</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoanAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Fair value of loans acquired</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_CertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodNotAccountedForUsingIncomeRecognitionModelAtAcquisitionAtCarryingValue" xlink:label="nbn_CertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodNotAccountedForUsingIncomeRecognitionModelAtAcquisitionAtCarryingValue" />
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodNotAccountedForUsingIncomeRecognitionModelAtAcquisitionAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">The recorded value, at the acquisition date, of loan for which the income recognition model was not applied. This relates to loans accounted for as debt securities acquired during the period, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_CertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodNotAccountedForUsingIncomeRecognitionModelAtAcquisitionAtCarryingValue" xlink:to="nbn_CertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodNotAccountedForUsingIncomeRecognitionModelAtAcquisitionAtCarryingValue_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodNotAccountedForUsingIncomeRecognitionModelAtAcquisitionAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loan Acquired In Transfer Accounted For As Debt Securities Acquired During Period Not Accounted For Using Income Recognition Model At Acquisition At Carrying Value</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodNotAccountedForUsingIncomeRecognitionModelAtAcquisitionAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans acquired during the period</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_AllCertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelEndOfPeriodAtCarryingValue" xlink:label="nbn_AllCertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelEndOfPeriodAtCarryingValue" />
    <link:label xlink:type="resource" xlink:label="nbn_AllCertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelEndOfPeriodAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">The recorded value of all loan accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable, for which the income recognition model was not applied.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_AllCertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelEndOfPeriodAtCarryingValue" xlink:to="nbn_AllCertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelEndOfPeriodAtCarryingValue_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_AllCertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelEndOfPeriodAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">All Certain Loan Acquired In Transfer Accounted For As Debt Securities Not Accounted For Using Income Recognition Model End Of Period At Carrying Value</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_AllCertainLoanAcquiredInTransferAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelEndOfPeriodAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans at end of period</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield" xlink:to="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">End balance</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Beginning balance</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Additions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions" xlink:to="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Acquisitions</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion" xlink:to="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Accretion</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference" xlink:to="us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Reclassifications from nonaccretable difference, net</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldDisposalsOfLoans" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldDisposalsOfLoans" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldDisposalsOfLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Accretable Yield, Disposals of Loans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldDisposalsOfLoans" xlink:to="us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldDisposalsOfLoans_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldDisposalsOfLoans_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Disposals and other changes</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesUnpaidPrincipal" xlink:label="nbn_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesUnpaidPrincipal" />
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesUnpaidPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">The undiscounted amount of principal on loans with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesUnpaidPrincipal" xlink:to="nbn_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesUnpaidPrincipal_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesUnpaidPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Unpaid Principal</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesUnpaidPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Unpaid principal balance</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet" xlink:to="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Carrying amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AllCertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModel" xlink:label="us-gaap_AllCertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModel" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AllCertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModel_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllCertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModel" xlink:to="us-gaap_AllCertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModel_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AllCertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModel_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans acquired that were not accounted for using the income recognition model</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Property, Plant and Equipment [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Property Plant And Equipment Type [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LandMember" xlink:label="us-gaap_LandMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Land [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LandMember" xlink:to="us-gaap_LandMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Land</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BuildingMember" xlink:label="us-gaap_BuildingMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Building [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingMember" xlink:to="us-gaap_BuildingMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Buildings</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:label="us-gaap_AssetsHeldUnderCapitalLeasesMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsHeldUnderCapitalLeasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Assets Held Under Capital Leases [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:to="us-gaap_AssetsHeldUnderCapitalLeasesMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsHeldUnderCapitalLeasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Assets recorded under capital lease</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_LeaseholdAndBuildingImprovementsMember" xlink:label="nbn_LeaseholdAndBuildingImprovementsMember" />
    <link:label xlink:type="resource" xlink:label="nbn_LeaseholdAndBuildingImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Additions or improvements to assets held under a lease arrangement, and addition, improvement, or renovation to a facility held for productive use including, but not limited to, office, production, storage and distribution facilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_LeaseholdAndBuildingImprovementsMember" xlink:to="nbn_LeaseholdAndBuildingImprovementsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_LeaseholdAndBuildingImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Leasehold And Building Improvements [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_LeaseholdAndBuildingImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Leasehold and building improvements</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_FurnitureFixturesAndEquipmentMember" xlink:label="nbn_FurnitureFixturesAndEquipmentMember" />
    <link:label xlink:type="resource" xlink:label="nbn_FurnitureFixturesAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities, and tangible personal property used to produce goods and services.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_FurnitureFixturesAndEquipmentMember" xlink:to="nbn_FurnitureFixturesAndEquipmentMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_FurnitureFixturesAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Furniture Fixtures And Equipment [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_FurnitureFixturesAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Furniture, fixtures and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Range [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Range [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_RangeMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Range [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Minimum [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinimumMember" xlink:to="us-gaap_MinimumMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Maximum [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaximumMember" xlink:to="us-gaap_MaximumMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Maximum</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Property, Plant and Equipment [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Premises and Equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Property, Plant and Equipment, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Gross premises and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Less accumulated depreciation</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Property, Plant and Equipment, Useful Life</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Estimated useful life</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Depreciation, Depletion and Amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationDepletionAndAmortization" xlink:to="us-gaap_DepreciationDepletionAndAmortization_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Depreciation and amortization of premises and equipment included in occupancy and equipment expense</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable" xlink:label="nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable" />
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Schedule of assets, including goodwill, lacking physical substance with a finite life.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable" xlink:to="nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ScheduleOfFiniteLivedIntangibleAssetsIncludingGoodwillTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Finite Lived Intangible Assets Including Goodwill [Table]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite Lived Intangible Assets Major Class Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CoreDepositsMember" xlink:label="us-gaap_CoreDepositsMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CoreDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Core Deposits [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CoreDepositsMember" xlink:to="us-gaap_CoreDepositsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CoreDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Core Deposit Intangible</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems" xlink:label="nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems" />
    <link:label xlink:type="resource" xlink:label="nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite Lived Intangible Assets Including Goodwill [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems" xlink:to="nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_FiniteLivedIntangibleAssetsIncludingGoodwillLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Changes in the carrying amount of intangible assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite-Lived Intangible Asset, Useful Life</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:to="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Amortization period</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsRollForward" xlink:label="us-gaap_FiniteLivedIntangibleAssetsRollForward" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite-lived Intangible Assets [Roll Forward]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsRollForward" xlink:to="us-gaap_FiniteLivedIntangibleAssetsRollForward_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Identifiable Intangibles</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite-Lived Intangible Assets, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">Balance at the end of period</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Balance at the beginning of period</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net carrying amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Components of identifiable intangible assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsGross" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Gross carrying amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Accumulated amortization</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Estimated annual amortization expense associated with intangible assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2016</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Two</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2017</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Three</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2018</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Four</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2019</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Five</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2020</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfMortgageServicingRightsMSR" xlink:label="us-gaap_ProceedsFromSaleOfMortgageServicingRightsMSR" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfMortgageServicingRightsMSR_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Proceeds from Sale of Mortgage Servicing Rights (MSR)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfMortgageServicingRightsMSR" xlink:to="us-gaap_ProceedsFromSaleOfMortgageServicingRightsMSR_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfMortgageServicingRightsMSR_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loans serviced for others</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ContractuallySpecifiedServicingFeesAmount" xlink:label="us-gaap_ContractuallySpecifiedServicingFeesAmount" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ContractuallySpecifiedServicingFeesAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Contractually Specified Servicing Fees, Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractuallySpecifiedServicingFeesAmount" xlink:to="us-gaap_ContractuallySpecifiedServicingFeesAmount_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ContractuallySpecifiedServicingFeesAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Contractual specified servicing fees</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate" xlink:label="us-gaap_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate" xlink:to="us-gaap_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Weighted average discount rate</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed" xlink:label="us-gaap_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed" xlink:to="us-gaap_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Weighted average prepayment speed assumption</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward" xlink:label="us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Servicing Asset at Amortized Cost, Balance [Roll Forward]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward" xlink:to="us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Activity of servicing assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ServicingAssetAtAmortizedValue" xlink:label="us-gaap_ServicingAssetAtAmortizedValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Servicing Asset at Amortized Cost</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ServicingAssetAtAmortizedValue" xlink:to="us-gaap_ServicingAssetAtAmortizedValue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">Balance at the end</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Balance at the beginning</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ServicingAssetAtAmortizedValueAdditions" xlink:label="us-gaap_ServicingAssetAtAmortizedValueAdditions" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Servicing Asset at Amortized Cost, Additions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ServicingAssetAtAmortizedValueAdditions" xlink:to="us-gaap_ServicingAssetAtAmortizedValueAdditions_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Additions</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ServicingAssetAtAmortizedValueAmortization1" xlink:label="us-gaap_ServicingAssetAtAmortizedValueAmortization1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueAmortization1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Servicing Asset at Amortized Cost, Amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ServicingAssetAtAmortizedValueAmortization1" xlink:to="us-gaap_ServicingAssetAtAmortizedValueAmortization1_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueAmortization1_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Amortization</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount" xlink:label="us-gaap_ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount" xlink:to="us-gaap_ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtAmortizedValueOtherChangesThatAffectBalanceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Allowance Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepositsNegotiableOrderOfWithdrawalNOW" xlink:label="us-gaap_DepositsNegotiableOrderOfWithdrawalNOW" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DepositsNegotiableOrderOfWithdrawalNOW_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deposits, Negotiable Order of Withdrawal (NOW)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepositsNegotiableOrderOfWithdrawalNOW" xlink:to="us-gaap_DepositsNegotiableOrderOfWithdrawalNOW_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DepositsNegotiableOrderOfWithdrawalNOW_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">NOW</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepositsSavingsDeposits" xlink:label="us-gaap_DepositsSavingsDeposits" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DepositsSavingsDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deposits, Savings Deposits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepositsSavingsDeposits" xlink:to="us-gaap_DepositsSavingsDeposits_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DepositsSavingsDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Regular savings</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TimeDepositsLessThan100000" xlink:label="us-gaap_TimeDepositsLessThan100000" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TimeDepositsLessThan100000_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Time Deposits, Less than $100,000</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TimeDepositsLessThan100000" xlink:to="us-gaap_TimeDepositsLessThan100000_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TimeDepositsLessThan100000_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Time certificates of less than $100 thousand</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_OtherTimeCertificates" xlink:label="nbn_OtherTimeCertificates" />
    <link:label xlink:type="resource" xlink:label="nbn_OtherTimeCertificates_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the amount of other time certificates.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_OtherTimeCertificates" xlink:to="nbn_OtherTimeCertificates_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_OtherTimeCertificates_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Time Certificates</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_OtherTimeCertificates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Other time certificates</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_TimeDepositsMeasuringDenominationMinimum" xlink:label="nbn_TimeDepositsMeasuringDenominationMinimum" />
    <link:label xlink:type="resource" xlink:label="nbn_TimeDepositsMeasuringDenominationMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the minimum measuring denomination of time deposits.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_TimeDepositsMeasuringDenominationMinimum" xlink:to="nbn_TimeDepositsMeasuringDenominationMinimum_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_TimeDepositsMeasuringDenominationMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Time Deposits, Measuring Denomination, Minimum</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_TimeDepositsMeasuringDenominationMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum measuring threshold denomination</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_TimeDeposits250000OrMore" xlink:label="nbn_TimeDeposits250000OrMore" />
    <link:label xlink:type="resource" xlink:label="nbn_TimeDeposits250000OrMore_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">The aggregate amount of domestic and foreign time deposit liabilities (including certificates of deposits, individual retirement accounts and open accounts) in denominations of $250,000 or more.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_TimeDeposits250000OrMore" xlink:to="nbn_TimeDeposits250000OrMore_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_AdvancesFromFederalHomeLoanBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate" xlink:to="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateTwoToThreeYearsFromBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2017</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate, Four to Five Years from Balance Sheet Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate" xlink:to="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateFourToFiveYearsFromBalanceSheetDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2018</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Weighted Average Interest Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate" xlink:to="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Total (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract" xlink:to="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">General disclosures</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_FederalHomeLoanBankAdvancesUnpaidPrincipalBalanceSubjectToCallProvisions" xlink:label="nbn_FederalHomeLoanBankAdvancesUnpaidPrincipalBalanceSubjectToCallProvisions" />
    <link:label xlink:type="resource" xlink:label="nbn_FederalHomeLoanBankAdvancesUnpaidPrincipalBalanceSubjectToCallProvisions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Unpaid principal balance of the Federal Home Loan Bank (FHLB) advances, subject to call provisions.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_FederalHomeLoanBankAdvancesUnpaidPrincipalBalanceSubjectToCallProvisions" xlink:to="nbn_FederalHomeLoanBankAdvancesUnpaidPrincipalBalanceSubjectToCallProvisions_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_FederalHomeLoanBankAdvancesUnpaidPrincipalBalanceSubjectToCallProvisions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Federal Home Loan Bank Advances Unpaid Principal Balance Subject to Call Provisions</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_FederalHomeLoanBankAdvancesUnpaidPrincipalBalanceSubjectToCallProvisions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Unpaid principal balance of FHLB advances, subject to call provisions</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds" xlink:to="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Available line of credit arrangement with the FHLB</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Debt Instrument Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="us-gaap_DebtInstrumentNameDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Debt Instrument, Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Securities Sold Under Agreements To Repurchase [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember" xlink:to="us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Securities sold under wholesale repurchase agreements</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Wholesale Repurchase Agreements</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_SecuritiesSoldUnderAgreementsToRepurchaseUnpaidPrincipalBalance" xlink:label="nbn_SecuritiesSoldUnderAgreementsToRepurchaseUnpaidPrincipalBalance" />
    <link:label xlink:type="resource" xlink:label="nbn_SecuritiesSoldUnderAgreementsToRepurchaseUnpaidPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">The unpaid principal balance as of the balance sheet date of securities that an institution sells and agrees to repurchase (the identical or substantially the same securities) as a seller-borrower at a specified date for a specified price, also known as a repurchase agreement, or repo.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_SecuritiesSoldUnderAgreementsToRepurchaseUnpaidPrincipalBalance" xlink:to="nbn_SecuritiesSoldUnderAgreementsToRepurchaseUnpaidPrincipalBalance_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_SecuritiesSoldUnderAgreementsToRepurchaseUnpaidPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Securities Sold under Agreements to Repurchase Unpaid Principal Balance</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_SecuritiesSoldUnderAgreementsToRepurchaseUnpaidPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Unpaid Principal Balance</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate" xlink:label="us-gaap_DebtWeightedAverageInterestRate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Debt, Weighted Average Interest Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtWeightedAverageInterestRate" xlink:to="us-gaap_DebtWeightedAverageInterestRate_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Weighted Average Cost</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeaseObligationsAbstract" xlink:label="us-gaap_CapitalLeaseObligationsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeaseObligationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Lease Obligations [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligationsAbstract" xlink:to="us-gaap_CapitalLeaseObligationsAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeaseObligationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Capital lease obligation</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="us-gaap_DebtInstrumentTerm" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Debt Instrument, Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTerm" xlink:to="us-gaap_DebtInstrumentTerm_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Term of capital leases</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Term of outstanding letters of credit</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_CapitalLeasesPresentValueOfPaymentsAsPercentageOfFairValueOfProperty" xlink:label="nbn_CapitalLeasesPresentValueOfPaymentsAsPercentageOfFairValueOfProperty" />
    <link:label xlink:type="resource" xlink:label="nbn_CapitalLeasesPresentValueOfPaymentsAsPercentageOfFairValueOfProperty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the present value of the capital lease payments over a specified period as a percentage of the fair value of the property.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_CapitalLeasesPresentValueOfPaymentsAsPercentageOfFairValueOfProperty" xlink:to="nbn_CapitalLeasesPresentValueOfPaymentsAsPercentageOfFairValueOfProperty_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_CapitalLeasesPresentValueOfPaymentsAsPercentageOfFairValueOfProperty_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Leases Present Value of Payments as Percentage of Fair Value of Property</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_CapitalLeasesPresentValueOfPaymentsAsPercentageOfFairValueOfProperty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Present value of the lease payments as a percentage of the fair value of the property</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum lease payments over the remaining term of the lease and the outstanding capital lease obligation</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Leases, Future Minimum Payments Due, Next Twelve Months</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2016</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Two Years</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2017</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Three Years</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2018</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Four Years</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2019</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Five Years</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2020</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Leases, Future Minimum Payments Due Thereafter</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2021 and thereafter</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Leases, Future Minimum Payments Due</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Leases, Future Minimum Payments, Interest Included in Payments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Imputed interest</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShortTermBorrowingsAbstract" xlink:label="us-gaap_ShortTermBorrowingsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowingsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Short-term Debt [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermBorrowingsAbstract" xlink:to="us-gaap_ShortTermBorrowingsAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowingsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Short-Term Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:label="us-gaap_ShortTermDebtWeightedAverageInterestRate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShortTermDebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Short-term Debt, Weighted Average Interest Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:to="us-gaap_ShortTermDebtWeightedAverageInterestRate_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShortTermDebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Weighted average interest rate on short-term borrowings (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="us-gaap_ScheduleOfStockByClassTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Stock by Class [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ScheduleOfStockByClassTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" />
    <link:label xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" />
    <link:label xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Entity [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityDomain" xlink:to="dei_EntityDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Entity [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NBNCapitalTrustIIMember" xlink:label="nbn_NBNCapitalTrustIIMember" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to NBN Capital Trust II, a Delaware statutory trust.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NBNCapitalTrustIIMember" xlink:to="nbn_NBNCapitalTrustIIMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">N B N Capital Trust I I [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">NBN Capital Trust II</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NBNCapitalTrustIIIMember" xlink:label="nbn_NBNCapitalTrustIIIMember" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to NBN Capital Trust III, a Delaware statutory trust.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NBNCapitalTrustIIIMember" xlink:to="nbn_NBNCapitalTrustIIIMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">N B N Capital Trust I I I [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">NBN Capital Trust III</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NBNCapitalTrustIVMember" xlink:label="nbn_NBNCapitalTrustIVMember" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to NBN Capital Trust IV, a Delaware statutory trust.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NBNCapitalTrustIVMember" xlink:to="nbn_NBNCapitalTrustIVMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">N B N Capital Trust I V [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIVMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">NBN Capital Trust IV</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NBNCapitalTrustIIAndNBNCapitalTrustIIIMember" xlink:label="nbn_NBNCapitalTrustIIAndNBNCapitalTrustIIIMember" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIAndNBNCapitalTrustIIIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to NBN Capital Trust II and Trust III, Delaware statutory trusts.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NBNCapitalTrustIIAndNBNCapitalTrustIIIMember" xlink:to="nbn_NBNCapitalTrustIIAndNBNCapitalTrustIIIMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIAndNBNCapitalTrustIIIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">N B N Capital Trust I I And N B N Capital Trust I I I [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIAndNBNCapitalTrustIIIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">NBN Capital Trust II and III</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis" xlink:label="us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis" xlink:to="us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain" xlink:label="us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Shares Subject To Mandatory Redemption Financial Instrument [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain" xlink:to="us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharesSubjectToMandatoryRedemptionFinancialInstrumentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Financial Instruments Subject to Mandatory Redemption, Financial Instrument [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember" xlink:label="us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Trust Preferred Securities Subject To Mandatory Redemption [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember" xlink:to="us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Trust preferred securities</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Longterm Debt Type [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_LongtermDebtTypeDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Long-term Debt, Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubordinatedDebtMember" xlink:label="us-gaap_SubordinatedDebtMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SubordinatedDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Subordinated Debt [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubordinatedDebtMember" xlink:to="us-gaap_SubordinatedDebtMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SubordinatedDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Junior Subordinated Debentures</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NBNCapitalTrustIIDebentureMaturingMarch302034Member" xlink:label="nbn_NBNCapitalTrustIIDebentureMaturingMarch302034Member" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIDebentureMaturingMarch302034Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents details concerning the NBN Capital Trust II Debenture that matures on March 30, 2034.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NBNCapitalTrustIIDebentureMaturingMarch302034Member" xlink:to="nbn_NBNCapitalTrustIIDebentureMaturingMarch302034Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIDebentureMaturingMarch302034Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">N B N Capital Trust I I Debenture Maturing March302034 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIDebentureMaturingMarch302034Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">NBN Capital Trust II Debenture maturing March 30, 2034</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NBNCapitalTrustIIIDebentureMaturingMarch302034Member" xlink:label="nbn_NBNCapitalTrustIIIDebentureMaturingMarch302034Member" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIIDebentureMaturingMarch302034Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents details concerning the NBN Capital Trust III Debenture that matures on March 30, 2034.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NBNCapitalTrustIIIDebentureMaturingMarch302034Member" xlink:to="nbn_NBNCapitalTrustIIIDebentureMaturingMarch302034Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIIDebentureMaturingMarch302034Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">N B N Capital Trust I I I Debenture Maturing March302034 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIIIDebentureMaturingMarch302034Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">NBN Capital Trust III Debenture maturing March 30, 2034</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NBNCapitalTrustIVDebentureMaturingFebruary232035Member" xlink:label="nbn_NBNCapitalTrustIVDebentureMaturingFebruary232035Member" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIVDebentureMaturingFebruary232035Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents details concerning the NBN Capital Trust III Debenture that matures on February 23, 2035.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NBNCapitalTrustIVDebentureMaturingFebruary232035Member" xlink:to="nbn_NBNCapitalTrustIVDebentureMaturingFebruary232035Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIVDebentureMaturingFebruary232035Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">N B N Capital Trust I V Debenture Maturing February232035 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustIVDebentureMaturingFebruary232035Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">NBN Capital Trust IV Debenture maturing February 23, 2035</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NBNCapitalTrustiIAndNBNCapitalTrustIIIDebentureMaturingMarch302034Member" xlink:label="nbn_NBNCapitalTrustiIAndNBNCapitalTrustIIIDebentureMaturingMarch302034Member" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustiIAndNBNCapitalTrustIIIDebentureMaturingMarch302034Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents details concerning the NBN Capital Trust II and Trust III Debentures that matures on March 30, 2034.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NBNCapitalTrustiIAndNBNCapitalTrustIIIDebentureMaturingMarch302034Member" xlink:to="nbn_NBNCapitalTrustiIAndNBNCapitalTrustIIIDebentureMaturingMarch302034Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustiIAndNBNCapitalTrustIIIDebentureMaturingMarch302034Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">N B N Capital Trusti I And N B N Capital Trust I I I Debenture Maturing March302034 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustiIAndNBNCapitalTrustIIIDebentureMaturingMarch302034Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">NBN Capital Trust II and III Debentures maturing March 30, 2034</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NBNCapitalTrustsMember" xlink:label="nbn_NBNCapitalTrustsMember" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents details concerning all NBN Capital Trusts.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NBNCapitalTrustsMember" xlink:to="nbn_NBNCapitalTrustsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">N B N Capital Trusts [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NBNCapitalTrustsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">NBN Capital Trusts</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="us-gaap_DerivativeInstrumentRiskAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivative Instrument [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentRiskAxis" xlink:to="us-gaap_DerivativeInstrumentRiskAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="us-gaap_DerivativeContractTypeDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivative Contract Type [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="us-gaap_DerivativeContractTypeDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Derivative Contract [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestRateCapMember" xlink:label="us-gaap_InterestRateCapMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestRateCapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest Rate Cap [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateCapMember" xlink:to="us-gaap_InterestRateCapMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestRateCapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Interest rate caps</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="us-gaap_InterestRateSwapMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Interest Rate Swap [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateSwapMember" xlink:to="us-gaap_InterestRateSwapMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Interest rate swaps</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Hedging Relationship [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:to="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="us-gaap_HedgingRelationshipDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_HedgingRelationshipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Hedging Relationship [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HedgingRelationshipDomain" xlink:to="us-gaap_HedgingRelationshipDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_HedgingRelationshipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Hedging Relationship [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="us-gaap_CashFlowHedgingMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CashFlowHedgingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Cash Flow Hedging [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowHedgingMember" xlink:to="us-gaap_CashFlowHedgingMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CashFlowHedgingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Cash flow hedge</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_CommonSecuritiesOfTrust" xlink:label="nbn_CommonSecuritiesOfTrust" />
    <link:label xlink:type="resource" xlink:label="nbn_CommonSecuritiesOfTrust_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the amount of common securities of trust.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_CommonSecuritiesOfTrust" xlink:to="nbn_CommonSecuritiesOfTrust_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_CommonSecuritiesOfTrust_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Common Securities of Trust</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_CommonSecuritiesOfTrust_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Common securities of trust</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NumberOfPrivatePlacementOfferingsInWhichSecuritiesAreSold" xlink:label="nbn_NumberOfPrivatePlacementOfferingsInWhichSecuritiesAreSold" />
    <link:label xlink:type="resource" xlink:label="nbn_NumberOfPrivatePlacementOfferingsInWhichSecuritiesAreSold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the number of private placement offerings in which securities are sold.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NumberOfPrivatePlacementOfferingsInWhichSecuritiesAreSold" xlink:to="nbn_NumberOfPrivatePlacementOfferingsInWhichSecuritiesAreSold_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NumberOfPrivatePlacementOfferingsInWhichSecuritiesAreSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Number of Private Placement Offerings in Which Securities are Sold</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NumberOfPrivatePlacementOfferingsInWhichSecuritiesAreSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Number of private placement offerings in which securities are sold</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_TrustPreferredSecuritiesPrincipalBalance" xlink:label="nbn_TrustPreferredSecuritiesPrincipalBalance" />
    <link:label xlink:type="resource" xlink:label="nbn_TrustPreferredSecuritiesPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the principal balance of trust preferred securities issued.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_TrustPreferredSecuritiesPrincipalBalance" xlink:to="nbn_TrustPreferredSecuritiesPrincipalBalance_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_TrustPreferredSecuritiesPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Trust Preferred Securities Principal Balance</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_TrustPreferredSecuritiesPrincipalBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Unpaid Principal Balance of Private Trust Securities issued</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_TrustPreferredSecuritiesInterestRate" xlink:label="nbn_TrustPreferredSecuritiesInterestRate" />
    <link:label xlink:type="resource" xlink:label="nbn_TrustPreferredSecuritiesInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the interest rate of trust preferred securities issued.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_TrustPreferredSecuritiesInterestRate" xlink:to="nbn_TrustPreferredSecuritiesInterestRate_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_TrustPreferredSecuritiesInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Trust Preferred Securities Interest Rate</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_TrustPreferredSecuritiesInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Contractual Rate of Private Trust Securities issued (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Debt Instrument, Description of Variable Rate Basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:to="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Variable interest rate basis</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Spread on variable rate basis (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_TrustPreferredSecuritiesLiquidationAmount" xlink:label="nbn_TrustPreferredSecuritiesLiquidationAmount" />
    <link:label xlink:type="resource" xlink:label="nbn_TrustPreferredSecuritiesLiquidationAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the per share liquidation amount of the trust preferred securities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_TrustPreferredSecuritiesLiquidationAmount" xlink:to="nbn_TrustPreferredSecuritiesLiquidationAmount_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_TrustPreferredSecuritiesLiquidationAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Trust Preferred Securities Liquidation Amount</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_TrustPreferredSecuritiesLiquidationAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Liquidation amount per Preferred Security</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:label="us-gaap_DerivativeNumberOfInstrumentsHeld" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeNumberOfInstrumentsHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivative, Number of Instruments Held</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:to="us-gaap_DerivativeNumberOfInstrumentsHeld_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeNumberOfInstrumentsHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Number of derivative instruments</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="invest_DerivativeNotionalAmount" />
    <link:label xlink:type="resource" xlink:label="invest_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivative, Notional Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="invest_DerivativeNotionalAmount" xlink:to="invest_DerivativeNotionalAmount_lbl" />
    <link:label xlink:type="resource" xlink:label="invest_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Notional amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeCapInterestRate" xlink:label="us-gaap_DerivativeCapInterestRate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeCapInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivative, Cap Interest Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeCapInterestRate" xlink:to="us-gaap_DerivativeCapInterestRate_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeCapInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Strike Rate (as a percent)</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeCapInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Strike Rate (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_DebtInstrumentPercentageIncreaseInVariableRateBasisForRecognitionOfHigherInterestExpense" xlink:label="nbn_DebtInstrumentPercentageIncreaseInVariableRateBasisForRecognitionOfHigherInterestExpense" />
    <link:label xlink:type="resource" xlink:label="nbn_DebtInstrumentPercentageIncreaseInVariableRateBasisForRecognitionOfHigherInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the increase in variable rate basis for recognition of higher interest expense of the debt instrument.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_DebtInstrumentPercentageIncreaseInVariableRateBasisForRecognitionOfHigherInterestExpense" xlink:to="nbn_DebtInstrumentPercentageIncreaseInVariableRateBasisForRecognitionOfHigherInterestExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_DebtInstrumentPercentageIncreaseInVariableRateBasisForRecognitionOfHigherInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Debt Instrument Percentage Increase in Variable Rate Basis for Recognition of Higher Interest Expense</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_DebtInstrumentPercentageIncreaseInVariableRateBasisForRecognitionOfHigherInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Percentage increase in three-month LIBOR for recognition of higher interest expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeRemainingMaturity1" xlink:label="us-gaap_DerivativeRemainingMaturity1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeRemainingMaturity1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivative, Remaining Maturity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeRemainingMaturity1" xlink:to="us-gaap_DerivativeRemainingMaturity1_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeRemainingMaturity1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Maturity term</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeAverageVariableInterestRate" xlink:label="us-gaap_DerivativeAverageVariableInterestRate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeAverageVariableInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivative, Average Variable Interest Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAverageVariableInterestRate" xlink:to="us-gaap_DerivativeAverageVariableInterestRate_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeAverageVariableInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Pay Rate (as a percent)</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeAverageVariableInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Interest rate paid</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeUnderlying" xlink:label="us-gaap_DerivativeUnderlying" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeUnderlying_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivative, Description of Variable Rate Basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeUnderlying" xlink:to="us-gaap_DerivativeUnderlying_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeUnderlying_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Index</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeUnderlying_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Variable rate basis of derivative</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeAverageFixedInterestRate" xlink:label="us-gaap_DerivativeAverageFixedInterestRate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeAverageFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivative, Average Fixed Interest Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAverageFixedInterestRate" xlink:to="us-gaap_DerivativeAverageFixedInterestRate_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeAverageFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Receive Rate (as a percent)</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeAverageFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Interest rate received over base rate</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" xlink:label="us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_ParentCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Northeast Bancorp</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsidiariesMember" xlink:to="us-gaap_SubsidiariesMember_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_Capital_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalToRiskWeightedAssets" xlink:label="us-gaap_CapitalToRiskWeightedAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital to Risk Weighted Assets</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Actual Ratio (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalRequiredForCapitalAdequacy" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacy" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Required for Capital Adequacy</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum Capital Requirements Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Required for Capital Adequacy to Risk Weighted Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:to="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum Capital Requirements Ratio (as a percent)</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Total risk-based capital ratio (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalRequiredToBeWellCapitalized" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalized" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Required to be Well Capitalized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalRequiredToBeWellCapitalized" xlink:to="us-gaap_CapitalRequiredToBeWellCapitalized_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum To Be Well Capitalized Under Prompt Correction Action Provisions Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Capital Required to be Well Capitalized to Risk Weighted Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:to="us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum To Be Well Capitalized Under Prompt Correction Action Provisions Ratio (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" xlink:label="nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" />
    <link:label xlink:type="resource" xlink:label="nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Risk Based Capital to Risk Weighted Assets [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract" xlink:to="nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_TierOneRiskBasedCapitalToRiskWeightedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Tier 1 capital to risk weighted assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TierOneRiskBasedCapital" xlink:label="us-gaap_TierOneRiskBasedCapital" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Risk Based Capital</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapital" xlink:to="us-gaap_TierOneRiskBasedCapital_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Actual Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xlink:label="us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Risk Based Capital to Risk Weighted Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xlink:to="us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Actual Ratio (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Risk Based Capital Required for Capital Adequacy</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" xlink:to="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum Capital Requirements Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:to="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum Capital Requirements Ratio (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Risk Based Capital Required to be Well Capitalized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" xlink:to="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum To Be Well Capitalized Under Prompt Correction Action Provisions Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:to="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum To Be Well Capitalized Under Prompt Correction Action Provisions Ratio (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_TierOneLeverageCapitalToAverageAssetsAbstract" xlink:label="nbn_TierOneLeverageCapitalToAverageAssetsAbstract" />
    <link:label xlink:type="resource" xlink:label="nbn_TierOneLeverageCapitalToAverageAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Leverage Capital to Average Assets [Abstract]</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_TierOneLeverageCapitalToAverageAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Tier 1 capital to average assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TierOneLeverageCapital" xlink:label="us-gaap_TierOneLeverageCapital" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneLeverageCapital" xlink:to="us-gaap_TierOneLeverageCapital_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Actual Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TierOneLeverageCapitalToAverageAssets" xlink:label="us-gaap_TierOneLeverageCapitalToAverageAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Leverage Capital to Average Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneLeverageCapitalToAverageAssets" xlink:to="us-gaap_TierOneLeverageCapitalToAverageAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Actual Ratio (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Leverage Capital Required for Capital Adequacy</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" xlink:to="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum Capital Requirements Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Leverage Capital Required for Capital Adequacy to Average Assets</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum Capital Requirements Ratio (as a percent)</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Leverage Capital Required to be Well Capitalized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized" xlink:to="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum To Be Well Capitalized Under Prompt Correction Action Provisions Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tier One Leverage Capital Required to be Well Capitalized to Average Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" xlink:to="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum To Be Well Capitalized Under Prompt Correction Action Provisions Ratio (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract" xlink:label="nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract" />
    <link:label xlink:type="resource" xlink:label="nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Compliance with Regulatory Capital Requirements Under Banking Regulations Additional Disclosures [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract" xlink:to="nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsAdditionalDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Additional disclosures</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_PurchasedLoansAsPercentageOfAggregateLoans" xlink:label="nbn_PurchasedLoansAsPercentageOfAggregateLoans" />
    <link:label xlink:type="resource" xlink:label="nbn_PurchasedLoansAsPercentageOfAggregateLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the purchased loans expressed as a percentage of total loans.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_PurchasedLoansAsPercentageOfAggregateLoans" xlink:to="nbn_PurchasedLoansAsPercentageOfAggregateLoans_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_PurchasedLoansAsPercentageOfAggregateLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Purchased Loans as Percentage of Aggregate Loans</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_PurchasedLoansAsPercentageOfAggregateLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Purchased loans as a percentage of total loans</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_PercentageOfLoansFundedWithCoreDeposits" xlink:label="nbn_PercentageOfLoansFundedWithCoreDeposits" />
    <link:label xlink:type="resource" xlink:label="nbn_PercentageOfLoansFundedWithCoreDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the percentage of loans funded with core deposits which is defined as non-maturity deposits and non-brokered insured time deposits.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_PercentageOfLoansFundedWithCoreDeposits" xlink:to="nbn_PercentageOfLoansFundedWithCoreDeposits_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_PercentageOfLoansFundedWithCoreDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Percentage of Loans Funded with Core Deposits</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_PercentageOfLoansFundedWithCoreDeposits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Percentage of loans funded with core deposits</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_CommercialRealEstateLoansHeldAsPercentageOfRiskBasedCapital" xlink:label="nbn_CommercialRealEstateLoansHeldAsPercentageOfRiskBasedCapital" />
    <link:label xlink:type="resource" xlink:label="nbn_CommercialRealEstateLoansHeldAsPercentageOfRiskBasedCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the commercial real estate loans including owner-occupied commercial real estate loans held, expressed as a percentage of total risk-based capital.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_CommercialRealEstateLoansHeldAsPercentageOfRiskBasedCapital" xlink:to="nbn_CommercialRealEstateLoansHeldAsPercentageOfRiskBasedCapital_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_CommercialRealEstateLoansHeldAsPercentageOfRiskBasedCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Commercial Real Estate Loans Held as Percentage of Risk Based Capital</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_CommercialRealEstateLoansHeldAsPercentageOfRiskBasedCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Commercial real estate held as a percentage of total risk-based capital</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Basic</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net income from continuing operation available to common shareholders</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic and Diluted</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:to="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Weighted average shares used in calculation of diluted EPS</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Antidilutive Securities [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Antidilutive Securities Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesNameDomain" xlink:to="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Antidilutive Securities, Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockOptionMember" xlink:label="us-gaap_StockOptionMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_StockOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Stock Option [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionMember" xlink:to="us-gaap_StockOptionMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_StockOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Stock options</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Earnings Per Share</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Anti-dilutive securities (in shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Current Income Tax Expense (Benefit), Continuing Operations [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Current provision</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Current Federal Tax Expense (Benefit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentFederalTaxExpenseBenefit" xlink:to="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Federal</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Current State and Local Tax Expense (Benefit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:to="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">State</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Current Income Tax Expense (Benefit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total current provision</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Total deferred benefit</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Federal Income Tax Expense (Benefit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Federal</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred State and Local Income Tax Expense (Benefit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">State</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Tax Assets, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsGross_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Gross deferred tax asset</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Tax Assets, Valuation Allowance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Less valuation allowance</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="us-gaap_DeferredTaxAssetsNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Tax Assets, Net of Valuation Allowance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNet" xlink:to="us-gaap_DeferredTaxAssetsNet_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Components of Deferred Tax Liabilities [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Tax Liabilities, Goodwill and Intangible Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:to="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Intangible assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPrepaidExpenses" xlink:label="us-gaap_DeferredTaxLiabilitiesPrepaidExpenses" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Tax Liabilities, Prepaid Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesPrepaidExpenses" xlink:to="us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPrepaidExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Prepaid expenses</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Tax Liabilities, Property, Plant and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:to="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Premises and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_DeferredTaxLiabilitiesBorrowingsBasisDifferential" xlink:label="nbn_DeferredTaxLiabilitiesBorrowingsBasisDifferential" />
    <link:label xlink:type="resource" xlink:label="nbn_DeferredTaxLiabilitiesBorrowingsBasisDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Amount of deferred tax liability attributable to taxable temporary differences from borrowings basis differential.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_DeferredTaxLiabilitiesBorrowingsBasisDifferential" xlink:to="nbn_DeferredTaxLiabilitiesBorrowingsBasisDifferential_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_DeferredTaxLiabilitiesBorrowingsBasisDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Tax Liabilities Borrowings Basis Differential</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_DeferredTaxLiabilitiesBorrowingsBasisDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Borrowings basis differential</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="us-gaap_DeferredTaxLiabilitiesOther" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Tax Liabilities, Other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesOther" xlink:to="us-gaap_DeferredTaxLiabilitiesOther_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Other</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="us-gaap_DeferredIncomeTaxLiabilities" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Tax Liabilities, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxLiabilities" xlink:to="us-gaap_DeferredIncomeTaxLiabilities_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total deferred tax liability</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Tax Assets, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:to="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Net deferred tax liability</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_IncomeTaxesAdditionalDisclosuresAbstract" xlink:label="nbn_IncomeTaxesAdditionalDisclosuresAbstract" />
    <link:label xlink:type="resource" xlink:label="nbn_IncomeTaxesAdditionalDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Income Taxes Additional Disclosures [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_IncomeTaxesAdditionalDisclosuresAbstract" xlink:to="nbn_IncomeTaxesAdditionalDisclosuresAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_IncomeTaxesAdditionalDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Additional disclosures</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProvisionForLoanLossesExpensed" xlink:label="us-gaap_ProvisionForLoanLossesExpensed" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Provision for Loan Losses Expensed</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForLoanLossesExpensed" xlink:to="us-gaap_ProvisionForLoanLossesExpensed_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Reserve for loan losses</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_PercentageOfAmountActuallyUsedForPurposesOtherThanToAbsorbLossesSubjectToTaxationInYearInWhichUsed" xlink:label="nbn_PercentageOfAmountActuallyUsedForPurposesOtherThanToAbsorbLossesSubjectToTaxationInYearInWhichUsed" />
    <link:label xlink:type="resource" xlink:label="nbn_PercentageOfAmountActuallyUsedForPurposesOtherThanToAbsorbLossesSubjectToTaxationInYearInWhichUsed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the percentage of amount actually used subject to taxation in the year in which it was used for purposes other than to absorb the losses for which it was established.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_PercentageOfAmountActuallyUsedForPurposesOtherThanToAbsorbLossesSubjectToTaxationInYearInWhichUsed" xlink:to="nbn_PercentageOfAmountActuallyUsedForPurposesOtherThanToAbsorbLossesSubjectToTaxationInYearInWhichUsed_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_PercentageOfAmountActuallyUsedForPurposesOtherThanToAbsorbLossesSubjectToTaxationInYearInWhichUsed_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Percentage of Amount Actually used for Purposes other than to Absorb Losses Subject to Taxation in Year in which Used</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_PercentageOfAmountActuallyUsedForPurposesOtherThanToAbsorbLossesSubjectToTaxationInYearInWhichUsed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Percentage of amount actually used for purposes other than to absorb losses subject to taxation in the year in which used</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_AmountOfProvisionForPotentialLiabilityThatWouldResultIfSpecifiedPercentageOfReserveRecaptured" xlink:label="nbn_AmountOfProvisionForPotentialLiabilityThatWouldResultIfSpecifiedPercentageOfReserveRecaptured" />
    <link:label xlink:type="resource" xlink:label="nbn_AmountOfProvisionForPotentialLiabilityThatWouldResultIfSpecifiedPercentageOfReserveRecaptured_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the amount of provision for potential liability that would result, if specified percentage of reserve were recaptured.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_AmountOfProvisionForPotentialLiabilityThatWouldResultIfSpecifiedPercentageOfReserveRecaptured" xlink:to="nbn_AmountOfProvisionForPotentialLiabilityThatWouldResultIfSpecifiedPercentageOfReserveRecaptured_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_AmountOfProvisionForPotentialLiabilityThatWouldResultIfSpecifiedPercentageOfReserveRecaptured_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Amount of Provision for Potential Liability that would Result if Specified Percentage of Reserve Recaptured</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_AmountOfProvisionForPotentialLiabilityThatWouldResultIfSpecifiedPercentageOfReserveRecaptured_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Amount of provision for potential liability that would result, if 100% of the reserve were recaptured</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_PercentageOfReserveForLoanLossesRecaptured" xlink:label="nbn_PercentageOfReserveForLoanLossesRecaptured" />
    <link:label xlink:type="resource" xlink:label="nbn_PercentageOfReserveForLoanLossesRecaptured_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the percentage of reserve for loan losses recaptured.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_PercentageOfReserveForLoanLossesRecaptured" xlink:to="nbn_PercentageOfReserveForLoanLossesRecaptured_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_PercentageOfReserveForLoanLossesRecaptured_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Percentage of Reserve for Loan Losses Recaptured</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_PercentageOfReserveForLoanLossesRecaptured_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Percentage of reserves recaptured</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:label="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Tax Position</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="us-gaap_UnrecognizedTaxBenefits" />
    <link:label xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Unrecognized Tax Benefits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefits" xlink:to="us-gaap_UnrecognizedTaxBenefits_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">Balance at end of the period</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Balance at beginning of the period</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" />
    <link:label xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Increase for prior year tax position</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ReconciliationOfUnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedRollForward" xlink:label="nbn_ReconciliationOfUnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedRollForward" />
    <link:label xlink:type="resource" xlink:label="nbn_ReconciliationOfUnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">No definition available.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ReconciliationOfUnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedRollForward" xlink:to="nbn_ReconciliationOfUnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedRollForward_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ReconciliationOfUnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Reconciliation of Unrecognized Tax Benefits Income Tax Penalties and Interest Accrued [Roll Forward]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ReconciliationOfUnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Interest and Penalties</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" />
    <link:label xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">Balance at end of the period</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Balance at beginning of the period</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions" xlink:label="nbn_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions" />
    <link:label xlink:type="resource" xlink:label="nbn_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the amount of increase in accrued interest on an underpayment of income taxes and penalties resulting from tax positions taken in prior period tax returns.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions" xlink:to="nbn_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Unrecognized Tax Benefits Income Tax Penalties and Interest Accrued Increases Resulting from Prior Period Tax Positions</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Increase for prior year tax position</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ReconciliationOfUnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedRollForward" xlink:label="nbn_ReconciliationOfUnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedRollForward" />
    <link:label xlink:type="resource" xlink:label="nbn_ReconciliationOfUnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">No definition available.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ReconciliationOfUnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedRollForward" xlink:to="nbn_ReconciliationOfUnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedRollForward_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ReconciliationOfUnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Reconciliation of Unrecognized Tax Benefits Including Income Tax Penalties and Interest Accrued [Roll Forward]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ReconciliationOfUnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Total</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccrued" xlink:label="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccrued" />
    <link:label xlink:type="resource" xlink:label="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the amount of unrecognized tax benefits including accrued interest on an underpayment of income taxes and penalties pertaining to uncertain tax positions taken in tax returns.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccrued" xlink:to="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccrued_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Unrecognized Tax Benefits Including Income Tax Penalties and Interest Accrued</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">Balance at end of the period</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Balance at beginning of the period</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions" xlink:label="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions" />
    <link:label xlink:type="resource" xlink:label="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the amount of increase in unrecognized tax benefits including accrued interest on an underpayment of income taxes and penalties resulting from tax positions taken in prior period tax returns.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions" xlink:to="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Unrecognized Tax Benefits Including Income Tax Penalties and Interest Accrued Increases Resulting from Prior Period Tax Positions</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_UnrecognizedTaxBenefitsIncludingIncomeTaxPenaltiesAndInterestAccruedIncreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Increase for prior year tax position</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract" xlink:label="us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract" xlink:to="us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">401(k) Plan</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_DefinedContributionPlanEligibleAgeForParticipantsUnderPlan" xlink:label="nbn_DefinedContributionPlanEligibleAgeForParticipantsUnderPlan" />
    <link:label xlink:type="resource" xlink:label="nbn_DefinedContributionPlanEligibleAgeForParticipantsUnderPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the eligible age for all participants under the defined contribution plan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_DefinedContributionPlanEligibleAgeForParticipantsUnderPlan" xlink:to="nbn_DefinedContributionPlanEligibleAgeForParticipantsUnderPlan_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_DefinedContributionPlanEligibleAgeForParticipantsUnderPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Defined Contribution Plan Eligible Age for Participants under Plan</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_DefinedContributionPlanEligibleAgeForParticipantsUnderPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Eligible age for full-time salaried and hourly-paid employees under 401(k) plan</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_DefinedContributionPlanPeriodOfServiceForParticipantsUnderPlan" xlink:label="nbn_DefinedContributionPlanPeriodOfServiceForParticipantsUnderPlan" />
    <link:label xlink:type="resource" xlink:label="nbn_DefinedContributionPlanPeriodOfServiceForParticipantsUnderPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the period of service required for all participants under the defined contribution plan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_DefinedContributionPlanPeriodOfServiceForParticipantsUnderPlan" xlink:to="nbn_DefinedContributionPlanPeriodOfServiceForParticipantsUnderPlan_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_DefinedContributionPlanPeriodOfServiceForParticipantsUnderPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Defined Contribution Plan Period of Service for Participants under Plan</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_DefinedContributionPlanPeriodOfServiceForParticipantsUnderPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Completed employment required for full-time salaried and hourly-paid employees under 401(k) plan</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" xlink:to="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Maximum employees contribution as a percentage of their base compensation</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_DefinedContributionPlanEmployerMatchEmployeeContribution" xlink:label="nbn_DefinedContributionPlanEmployerMatchEmployeeContribution" />
    <link:label xlink:type="resource" xlink:label="nbn_DefinedContributionPlanEmployerMatchEmployeeContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the employee contributions (percentage of compensation) which are matched by the employer.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_DefinedContributionPlanEmployerMatchEmployeeContribution" xlink:to="nbn_DefinedContributionPlanEmployerMatchEmployeeContribution_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_DefinedContributionPlanEmployerMatchEmployeeContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Defined Contribution Plan Employer Match Employee Contribution</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_DefinedContributionPlanEmployerMatchEmployeeContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Percentage of base compensation, matched 50% by employer</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Defined Contribution Plan, Employer Matching Contribution, Percent of Match</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch" xlink:to="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Employer match of employee contributions of first 6% of base compensation (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="us-gaap_DefinedContributionPlanCostRecognized" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanCostRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Defined Contribution Plan, Cost Recognized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanCostRecognized" xlink:to="us-gaap_DefinedContributionPlanCostRecognized_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DefinedContributionPlanCostRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Employer contributions</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredCompensationArrangementsAbstract" xlink:label="us-gaap_DeferredCompensationArrangementsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredCompensationArrangementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Compensation Arrangements [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationArrangementsAbstract" xlink:to="us-gaap_DeferredCompensationArrangementsAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredCompensationArrangementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Deferred Compensation</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_DeferredCompensationArrangementWithIndividualNumberOfSeniorOfficers" xlink:label="nbn_DeferredCompensationArrangementWithIndividualNumberOfSeniorOfficers" />
    <link:label xlink:type="resource" xlink:label="nbn_DeferredCompensationArrangementWithIndividualNumberOfSeniorOfficers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the number of senior officers under the deferred compensation arrangement with entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_DeferredCompensationArrangementWithIndividualNumberOfSeniorOfficers" xlink:to="nbn_DeferredCompensationArrangementWithIndividualNumberOfSeniorOfficers_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_DeferredCompensationArrangementWithIndividualNumberOfSeniorOfficers_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Compensation Arrangement with Individual Number of Senior Officers</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_DeferredCompensationArrangementWithIndividualNumberOfSeniorOfficers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Number of senior officers</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Compensation Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense" xlink:to="us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Deferred compensation expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Recorded Liability</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability" xlink:to="us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Deferred compensation liability</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Plan Name [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="us-gaap_PlanNameDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Plan Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameDomain" xlink:to="us-gaap_PlanNameDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Plan Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NortheastBancorp2010OptionAndIncentivePlanMember" xlink:label="nbn_NortheastBancorp2010OptionAndIncentivePlanMember" />
    <link:label xlink:type="resource" xlink:label="nbn_NortheastBancorp2010OptionAndIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to the Northeast Bancorp 2010 Option and Incentive Plan (the 2010 Plan).</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NortheastBancorp2010OptionAndIncentivePlanMember" xlink:to="nbn_NortheastBancorp2010OptionAndIncentivePlanMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NortheastBancorp2010OptionAndIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Northeast Bancorp2010 Option And Incentive Plan [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NortheastBancorp2010OptionAndIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2010 Plan</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_NortheastBancorpAmendedAndRestated2010OptionAndIncentivePlanMember" xlink:label="nbn_NortheastBancorpAmendedAndRestated2010OptionAndIncentivePlanMember" />
    <link:label xlink:type="resource" xlink:label="nbn_NortheastBancorpAmendedAndRestated2010OptionAndIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to the Northeast Bancorp Amended and Restated 2010 Stock Option and Incentive Plan (the Restated Plan).</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_NortheastBancorpAmendedAndRestated2010OptionAndIncentivePlanMember" xlink:to="nbn_NortheastBancorpAmendedAndRestated2010OptionAndIncentivePlanMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_NortheastBancorpAmendedAndRestated2010OptionAndIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Northeast Bancorp Amended And Restated2010 Option And Incentive Plan [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_NortheastBancorpAmendedAndRestated2010OptionAndIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Restated Plan</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Number of additional shares authorized</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Number of shares authorized</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">Outstanding at end of year, Shares</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Outstanding at beginning of year, Shares</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Granted, shares</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Forfeited, shares</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">Exercisable, end of year (in shares)</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Exercisable, beginning of year (in shares)</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Options Exercisable, Shares</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">Options outstanding at end of year, Weighted Average Exercise Price (in dollars per share)</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Options outstanding at beginning of year, Weighted Average Exercise Price (in dollars per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Granted, Weighted Average Exercise Price</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Forfeited, Weighted Average Exercise Price</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Options Exercisable, Weighted Average Exercise Price</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfSharesRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Shares</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Vested (in shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Forfeited or expired (in shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageGrantDateFairValue" xlink:label="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the weighted average grant date fair value of options exercisable as calculated by applying the disclosed option pricing methodology.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageGrantDateFairValue" xlink:to="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageGrantDateFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award Options Exercisable Weighted Average Grant Date Fair Value</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">Exercisable, end of year (in dollars per share)</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Exercisable, beginning of year (in dollars per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Vested (in dollars per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsForfeitedAndExpiredWeightedAverageGrantDateFairValue" xlink:label="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsForfeitedAndExpiredWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsForfeitedAndExpiredWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the weighted average grant date fair value of options forfeited or expired as calculated by applying the disclosed option pricing methodology.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsForfeitedAndExpiredWeightedAverageGrantDateFairValue" xlink:to="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsForfeitedAndExpiredWeightedAverageGrantDateFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsForfeitedAndExpiredWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award, Options Forfeited and Expired Weighted Average Grant Date Fair Value</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsForfeitedAndExpiredWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Forfeited or expired (in dollars per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Equity Award [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="us-gaap_EmployeeStockOptionMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Employee Stock Option [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeStockOptionMember" xlink:to="us-gaap_EmployeeStockOptionMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Stock options.</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_StockOptionsWithMarketBasedConditionsMember" xlink:label="nbn_StockOptionsWithMarketBasedConditionsMember" />
    <link:label xlink:type="resource" xlink:label="nbn_StockOptionsWithMarketBasedConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Contract which gives the holder the right, but not the obligation, to purchase a certain number of shares of stock. These options vest based on the achievement of specified performance goals.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_StockOptionsWithMarketBasedConditionsMember" xlink:to="nbn_StockOptionsWithMarketBasedConditionsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_StockOptionsWithMarketBasedConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Stock Options With Market Based Conditions [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_StockOptionsWithMarketBasedConditionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Stock options with market-based conditions</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_TrancheTypeAxis" xlink:label="nbn_TrancheTypeAxis" />
    <link:label xlink:type="resource" xlink:label="nbn_TrancheTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Identification by the tranche under which an employee receives the right to exercise an award.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_TrancheTypeAxis" xlink:to="nbn_TrancheTypeAxis_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_TrancheTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tranche Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_TrancheTypeDomain" xlink:label="nbn_TrancheTypeDomain" />
    <link:label xlink:type="resource" xlink:label="nbn_TrancheTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Information by the tranche under which an employee receives the right to exercise an award.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_TrancheTypeDomain" xlink:to="nbn_TrancheTypeDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_TrancheTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tranche Type [Domain]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_TrancheTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Tranche Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_FirstTrancheMember" xlink:label="nbn_FirstTrancheMember" />
    <link:label xlink:type="resource" xlink:label="nbn_FirstTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the first tranche in which shares were vested.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_FirstTrancheMember" xlink:to="nbn_FirstTrancheMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_FirstTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">First Tranche [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_FirstTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">First tranche</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_SecondTrancheMember" xlink:label="nbn_SecondTrancheMember" />
    <link:label xlink:type="resource" xlink:label="nbn_SecondTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the second tranche in which shares were vested.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_SecondTrancheMember" xlink:to="nbn_SecondTrancheMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_SecondTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Second Tranche [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_SecondTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Second tranche</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ThirdTrancheMember" xlink:label="nbn_ThirdTrancheMember" />
    <link:label xlink:type="resource" xlink:label="nbn_ThirdTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the third tranche in which shares were vested.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ThirdTrancheMember" xlink:to="nbn_ThirdTrancheMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ThirdTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Third Tranche [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ThirdTrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Third tranche</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VestingAxis" xlink:label="us-gaap_VestingAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_VestingAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vesting [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VestingAxis" xlink:to="us-gaap_VestingAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VestingDomain" xlink:label="us-gaap_VestingDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_VestingDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vesting [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VestingDomain" xlink:to="us-gaap_VestingDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_VestingDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Vesting [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_VestingPeriod29December2010To29December2015Member" xlink:label="nbn_VestingPeriod29December2010To29December2015Member" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To29December2015Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the vesting period under tranche from December 29, 2010 through December 29, 2015.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_VestingPeriod29December2010To29December2015Member" xlink:to="nbn_VestingPeriod29December2010To29December2015Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To29December2015Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vesting Period29 December2010 To29 December2015 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To29December2015Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">December 29, 2010 through December 29, 2015</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_VestingPeriod29December2015To29December2016Member" xlink:label="nbn_VestingPeriod29December2015To29December2016Member" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2015To29December2016Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the vesting period under tranche from December 29, 2015 through December 29, 2016.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_VestingPeriod29December2015To29December2016Member" xlink:to="nbn_VestingPeriod29December2015To29December2016Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2015To29December2016Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vesting Period29 December2015 To29 December2016 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2015To29December2016Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">December 29, 2015 through December 29, 2016</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_VestingPeriod29December2016To29December2017Member" xlink:label="nbn_VestingPeriod29December2016To29December2017Member" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2016To29December2017Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the vesting period under tranche from December 29, 2016 through December 29, 2017.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_VestingPeriod29December2016To29December2017Member" xlink:to="nbn_VestingPeriod29December2016To29December2017Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2016To29December2017Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vesting Period29 December2016 To29 December2017 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2016To29December2017Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">December 29, 2016 through December 29, 2017</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_VestingPeriod29December2010To29December2016Member" xlink:label="nbn_VestingPeriod29December2010To29December2016Member" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To29December2016Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the vesting period under tranche from December 29, 2010 through December 29, 2016.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_VestingPeriod29December2010To29December2016Member" xlink:to="nbn_VestingPeriod29December2010To29December2016Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To29December2016Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vesting Period29 December2010 To29 December2016 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To29December2016Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">December 29, 2010 through December 29, 2016</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_VestingPeriod29December2010To29December2017Member" xlink:label="nbn_VestingPeriod29December2010To29December2017Member" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To29December2017Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the vesting period under tranche from December 29, 2010 through December 29, 2017.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_VestingPeriod29December2010To29December2017Member" xlink:to="nbn_VestingPeriod29December2010To29December2017Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To29December2017Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vesting Period29 December2010 To29 December2017 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To29December2017Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">December 29, 2010 through December 29, 2017</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_VestingPeriod29December2010To28December2015Member" xlink:label="nbn_VestingPeriod29December2010To28December2015Member" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To28December2015Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the vesting period under tranche from December 29, 2010 through December 28, 2015.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_VestingPeriod29December2010To28December2015Member" xlink:to="nbn_VestingPeriod29December2010To28December2015Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To28December2015Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vesting Period29 December2010 To28 December2015 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To28December2015Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">December 29, 2010 through December 28, 2015</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_VestingPeriod29December2015To28December2016Member" xlink:label="nbn_VestingPeriod29December2015To28December2016Member" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2015To28December2016Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the vesting period under tranche from December 29, 2015 through December 28, 2016.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_VestingPeriod29December2015To28December2016Member" xlink:to="nbn_VestingPeriod29December2015To28December2016Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2015To28December2016Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vesting Period29 December2015 To28 December2016 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2015To28December2016Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">December 29, 2015 through December 28, 2016</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_VestingPeriod29December2016To28December2017Member" xlink:label="nbn_VestingPeriod29December2016To28December2017Member" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2016To28December2017Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the vesting period under tranche from December 29, 2016 through December 28, 2017.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_VestingPeriod29December2016To28December2017Member" xlink:to="nbn_VestingPeriod29December2016To28December2017Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2016To28December2017Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vesting Period29 December2016 To28 December2017 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2016To28December2017Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">December 29, 2016 through December 28, 2017</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_VestingPeriod29December2010To28December2016Member" xlink:label="nbn_VestingPeriod29December2010To28December2016Member" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To28December2016Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the vesting period under tranche from December 29, 2010 through December 28, 2016.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_VestingPeriod29December2010To28December2016Member" xlink:to="nbn_VestingPeriod29December2010To28December2016Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To28December2016Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vesting Period29 December2010 To28 December2016 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To28December2016Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">December 29, 2010 through December 28, 2016</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_VestingPeriod29December2010To28December2017Member" xlink:label="nbn_VestingPeriod29December2010To28December2017Member" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To28December2017Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the vesting period under tranche from December 29, 2010 through December 28, 2017.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_VestingPeriod29December2010To28December2017Member" xlink:to="nbn_VestingPeriod29December2010To28December2017Member_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To28December2017Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Vesting Period29 December2010 To28 December2017 [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_VestingPeriod29December2010To28December2017Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">December 29, 2010 through December 28, 2017</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Assumptions:</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Dividend yield (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Expected life</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Expected volatility (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Risk-free interest rate (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerOption" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerOption" />
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerOption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the weighted average fair value per option under the assumption that is used in valuing an option on its own shares.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerOption" xlink:to="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerOption_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerOption_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award, Fair Value Assumptions Weighted Average Fair Value Per Option</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageFairValuePerOption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Weighted average fair value per option (in dollar per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsIncrementalWeightedAverageFairValuePerOption" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsIncrementalWeightedAverageFairValuePerOption" />
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsIncrementalWeightedAverageFairValuePerOption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the incremental weighted average fair value per option under the assumption that is used in valuing an option on its own shares.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsIncrementalWeightedAverageFairValuePerOption" xlink:to="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsIncrementalWeightedAverageFairValuePerOption_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsIncrementalWeightedAverageFairValuePerOption_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award Fair Value Assumptions Incremental Weighted Average Fair Value Per Option</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsIncrementalWeightedAverageFairValuePerOption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Incremental weighted average fair value per option (in dollar per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalGeneralDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Stock Awards</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesToWhomOptionsGranted" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesToWhomOptionsGranted" />
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesToWhomOptionsGranted_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the number of employees to whom options were granted under the equity-based compensation plan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesToWhomOptionsGranted" xlink:to="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesToWhomOptionsGranted_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesToWhomOptionsGranted_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award, Number of Employees to Whom Options Granted</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployeesToWhomOptionsGranted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Number of executives to whom options were granted</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfTranches" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfTranches" />
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfTranches_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the number of tranches in which options were granted under the equity-based compensation plan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfTranches" xlink:to="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfTranches_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfTranches_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award Number of Tranches</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfTranches_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Number of tranches in which options were granted</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsApplicableHurdlePrice" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsApplicableHurdlePrice" />
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsApplicableHurdlePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the applicable hurdle price of the options, that varies depending on the number of years that have elapsed since the date of grant, immediately before the modification.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsApplicableHurdlePrice" xlink:to="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsApplicableHurdlePrice_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsApplicableHurdlePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award Options Applicable Hurdle Price</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsApplicableHurdlePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Applicable hurdle price (in dollar per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAmendedHurdlePrice" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAmendedHurdlePrice" />
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAmendedHurdlePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the amended hurdle price of the options after the modification.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAmendedHurdlePrice" xlink:to="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAmendedHurdlePrice_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAmendedHurdlePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award Options Amended Hurdle Price</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAmendedHurdlePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Amended hurdle price (in dollar per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Expected volatility, minimum (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Expected volatility, maximum (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Risk-free interest rate, minimum (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Risk-free interest rate, maximum (as a percent)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:to="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Exercise Price Range [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ExercisePriceOneMember" xlink:label="nbn_ExercisePriceOneMember" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to the first exercise price.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ExercisePriceOneMember" xlink:to="nbn_ExercisePriceOneMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Exercise Price One [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">$9.30</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ExercisePriceTwoMember" xlink:label="nbn_ExercisePriceTwoMember" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to the second exercise price.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ExercisePriceTwoMember" xlink:to="nbn_ExercisePriceTwoMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Exercise Price Two [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">$9.38</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ExercisePriceThreeMember" xlink:label="nbn_ExercisePriceThreeMember" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to the third exercise price.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ExercisePriceThreeMember" xlink:to="nbn_ExercisePriceThreeMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Exercise Price Three [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">$9.39</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ExercisePriceFourMember" xlink:label="nbn_ExercisePriceFourMember" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to the fourth exercise price.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ExercisePriceFourMember" xlink:to="nbn_ExercisePriceFourMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Exercise Price Four [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">$12.63</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ExercisePriceFiveMember" xlink:label="nbn_ExercisePriceFiveMember" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to the fifth exercise price.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ExercisePriceFiveMember" xlink:to="nbn_ExercisePriceFiveMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Exercise Price Five [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">$13.93</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ExercisePriceSixMember" xlink:label="nbn_ExercisePriceSixMember" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceSixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents information pertaining to the sixth exercise price.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ExercisePriceSixMember" xlink:to="nbn_ExercisePriceSixMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceSixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Exercise Price Six [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceSixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">$14.52</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ExercisePriceSevenMember" xlink:label="nbn_ExercisePriceSevenMember" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceSevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the information pertaining to the seventh exercise price.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ExercisePriceSevenMember" xlink:to="nbn_ExercisePriceSevenMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceSevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Exercise Price Seven [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ExercisePriceSevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">$12.58</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Information by exercise price</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Options outstanding at end of period, Weighted Average Exercise Price</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Options Outstanding Number</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Outstanding Weighted Average Remaining Life</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Outstanding Aggregate Intrinsic Value</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Exercisable Weighted Average Exercise Price</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Options Exercisable Number</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Exercisable Weighted Average Remaining Life</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Exercisable Aggregate Intrinsic Value</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="us-gaap_RestrictedStockMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Restricted Stock [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockMember" xlink:to="us-gaap_RestrictedStockMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Restricted stock</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Shares</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">Unvested at end of period (in shares)</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Unvested at beginning of period (in shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Granted (in shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Vested (in shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Forfeited (in shares)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Weighted Average Grant-Date Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xml:lang="en-US">Unvested at end of period (in dollars per share)</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xml:lang="en-US">Unvested at beginning of period (in dollars per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Granted (in dollars per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Vested (in dollars per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Forfeited (in dollars per share)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockAppreciationRightsSARSMember" xlink:label="us-gaap_StockAppreciationRightsSARSMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_StockAppreciationRightsSARSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Stock Appreciation Rights S A R S [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockAppreciationRightsSARSMember" xlink:to="us-gaap_StockAppreciationRightsSARSMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_StockAppreciationRightsSARSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Stock appreciation rights</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Allocated Share-based Compensation Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Stock-based compensation expense</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Employee Service Share-based Compensation, Tax Benefit from Compensation Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Tax benefit related to stock-based compensation expense</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ProjectedShareBasedCompensationExpenseYearOne" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearOne" />
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the share-based compensation expense projected for the first fiscal year following the reporting date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ProjectedShareBasedCompensationExpenseYearOne" xlink:to="nbn_ProjectedShareBasedCompensationExpenseYearOne_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Projected Share Based Compensation Expense Year One</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2016</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ProjectedShareBasedCompensationExpenseYearTwo" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearTwo" />
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the share-based compensation expense projected for the second fiscal year following the reporting date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ProjectedShareBasedCompensationExpenseYearTwo" xlink:to="nbn_ProjectedShareBasedCompensationExpenseYearTwo_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Projected Share Based Compensation Expense Year Two</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2017</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ProjectedShareBasedCompensationExpenseYearThree" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearThree" />
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the share-based compensation expense projected for the third fiscal year following the reporting date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ProjectedShareBasedCompensationExpenseYearThree" xlink:to="nbn_ProjectedShareBasedCompensationExpenseYearThree_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Projected Share Based Compensation Expense Year Three</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2018</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ProjectedShareBasedCompensationExpenseYearFour" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearFour" />
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the share-based compensation expense projected for the fourth fiscal year following the reporting date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ProjectedShareBasedCompensationExpenseYearFour" xlink:to="nbn_ProjectedShareBasedCompensationExpenseYearFour_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Projected Share Based Compensation Expense Year Four</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2019</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ProjectedShareBasedCompensationExpenseYearFive" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearFive" />
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the share-based compensation expense projected for the fifth fiscal year following the reporting date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ProjectedShareBasedCompensationExpenseYearFive" xlink:to="nbn_ProjectedShareBasedCompensationExpenseYearFive_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Projected Share Based Compensation Expense Year Five</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2020</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_ProjectedShareBasedCompensationExpenseYearTotal" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearTotal" />
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearTotal_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">This element represents the total projected share-based compensation expense.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_ProjectedShareBasedCompensationExpenseYearTotal" xlink:to="nbn_ProjectedShareBasedCompensationExpenseYearTotal_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearTotal_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Projected Share Based Compensation Expense Year Total</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_ProjectedShareBasedCompensationExpenseYearTotal_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule of Fair Value, Off-balance Sheet Risks [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:to="us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="us-gaap_ConcentrationRiskByTypeAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Concentration Risk Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskByTypeAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="us-gaap_ConcentrationRiskTypeDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Concentration Risk Type [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskTypeDomain" xlink:to="us-gaap_ConcentrationRiskTypeDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Concentration Risk Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancialStandbyLetterOfCreditMember" xlink:label="us-gaap_FinancialStandbyLetterOfCreditMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancialStandbyLetterOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Financial Standby Letter Of Credit [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialStandbyLetterOfCreditMember" xlink:to="us-gaap_FinancialStandbyLetterOfCreditMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FinancialStandbyLetterOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Standby letters of credit</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xlink:label="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_LeaseAndRentalExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Rental expense</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Minimum lease payments</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">2017</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total available-for-sale securities, After-tax Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Reclassification adjustment for net gains included in net income, After-tax Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total derivatives and hedging activities, After-tax Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xml:lang="en-US">Total other comprehensive income (loss), After-tax Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Accumulated Net Unrealized Investment Gain Loss [Member]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Unrealized loss on available-for-sale securities</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Accumulated Net Gain Loss From Designated Or Qualifying Cash Flow Hedges [Member]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Unrealized loss on cash flow hedges</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Line Items]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1" />
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    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_AccumulatedOtherComprehensiveIncomeLossTaxes" xlink:label="nbn_AccumulatedOtherComprehensiveIncomeLossTaxes" />
    <link:label xlink:type="resource" xlink:label="nbn_AccumulatedOtherComprehensiveIncomeLossTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">The tax effect of the accumulated change in equity from transactions and other events and circumstances from non-owner sources.</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeCollateralRightToReclaimCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivative, Collateral, Right to Reclaim Cash</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeTable" xlink:label="us-gaap_DerivativeTable" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Other liabilities</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_OtherAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Assets [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsMember" xlink:to="us-gaap_OtherAssetsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Other assets</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnDerivatives" xlink:to="us-gaap_UnrealizedGainLossOnDerivatives_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Other liabilities</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Interest rate swaps</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xml:lang="en-US">Fair Value of assets</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Interest rate caps</link:label>
    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Other assets</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_DerivativeNumberOfContractsTerminatedPriorToMaturity" xlink:label="nbn_DerivativeNumberOfContractsTerminatedPriorToMaturity" />
    <link:label xlink:type="resource" xlink:label="nbn_DerivativeNumberOfContractsTerminatedPriorToMaturity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the number of derivative contracts terminated prior to maturity.</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_DerivativeNumberOfContractsTerminatedPriorToMaturity_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivative Number of Contracts Terminated Prior to Maturity</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_DerivativeNumberOfContractsTerminatedPriorToMaturity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Number of derivative agreements terminated prior to maturity</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:label="us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" />
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    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_FairValueAssetAndLiabilityTransferAmountBetweenFairValueMeasurementLevels" xlink:label="nbn_FairValueAssetAndLiabilityTransferAmountBetweenFairValueMeasurementLevels" />
    <link:label xlink:type="resource" xlink:label="nbn_FairValueAssetAndLiabilityTransferAmountBetweenFairValueMeasurementLevels_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Amount of transfers of assets and liabilities between the fair value measurement levels.</link:label>
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    <link:label xlink:type="resource" xlink:label="nbn_FairValueAssetAndLiabilityTransferAmountBetweenFairValueMeasurementLevels_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fair Value Asset and Liability Transfer Amount between Fair Value Measurement Levels</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_FairValueAssetAndLiabilityTransferAmountBetweenFairValueMeasurementLevels_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Transfers of assets and liabilities measured at fair value on a recurring or nonrecurring basis</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Measurement Frequency [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fair Value Measurement Frequency [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="us-gaap_FairValueMeasurementFrequencyDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fair Value, Measurement Frequency [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="us-gaap_FairValueMeasurementsRecurringMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fair Value Measurements Recurring [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsRecurringMember" xlink:to="us-gaap_FairValueMeasurementsRecurringMember_lbl" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fair Value, Hierarchy [Axis]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fair Value Hierarchy [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fair Value Inputs Level2 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="us-gaap_FairValueInputsLevel2Member_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Level 2</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fair Value Assets And Liabilities Measurements</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsNonrecurringMember" xlink:to="us-gaap_FairValueMeasurementsNonrecurringMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsNonrecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Nonrecurring</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="us-gaap_FairValueInputsLevel3Member_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Level 3</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ServicingAssetAtFairValueAmount" xlink:label="us-gaap_ServicingAssetAtFairValueAmount" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtFairValueAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Servicing Asset at Fair Value, Amount</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtFairValueAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Loan servicing rights</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
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    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_SbaMember" xlink:label="nbn_SbaMember" />
    <link:label xlink:type="resource" xlink:label="nbn_SbaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Portfolio segment of the company's total financing receivables related to the United States Small Business Administration (SBA) loans.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_SbaMember" xlink:to="nbn_SbaMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_SbaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Sba [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_SbaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">SBA</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Securities or Other Assets Sold under Agreements to Repurchase, Maturity Periods [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis" xlink:to="us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Assets Sold Under Agreements To Repurchase Maturity Period [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain" xlink:to="us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Assets Sold under Agreements to Repurchase, Maturity Period [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_MaturitiesWithinOneYearMember" xlink:label="nbn_MaturitiesWithinOneYearMember" />
    <link:label xlink:type="resource" xlink:label="nbn_MaturitiesWithinOneYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Period of maturity for a group of securities or other assets sold under repurchase agreements which mature within twelve months from the reporting date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_MaturitiesWithinOneYearMember" xlink:to="nbn_MaturitiesWithinOneYearMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_MaturitiesWithinOneYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Maturities Within One Year [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_MaturitiesWithinOneYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Maturities in year one</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommitmentsToExtendCreditMember" xlink:label="us-gaap_CommitmentsToExtendCreditMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CommitmentsToExtendCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Commitments To Extend Credit [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsToExtendCreditMember" xlink:to="us-gaap_CommitmentsToExtendCreditMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CommitmentsToExtendCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Commitments to grant loans</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_UnfundedLoanCommitmentMember" xlink:label="nbn_UnfundedLoanCommitmentMember" />
    <link:label xlink:type="resource" xlink:label="nbn_UnfundedLoanCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Represents the undisbursed funds of a credit facility in which the borrower may draw upon.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_UnfundedLoanCommitmentMember" xlink:to="nbn_UnfundedLoanCommitmentMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_UnfundedLoanCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Unfunded Loan Commitment [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_UnfundedLoanCommitmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Unfunded commitments under lines of credit</link:label>
    <link:loc xlink:type="locator" xlink:href="nbn-20150630.xsd#nbn_AppraisalOfCollateralValuationTechniqueMember" xlink:label="nbn_AppraisalOfCollateralValuationTechniqueMember" />
    <link:label xlink:type="resource" xlink:label="nbn_AppraisalOfCollateralValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">Appraisal of collateral valuation technique used to measure fair value.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nbn_AppraisalOfCollateralValuationTechniqueMember" xlink:to="nbn_AppraisalOfCollateralValuationTechniqueMember_lbl" />
    <link:label xlink:type="resource" xlink:label="nbn_AppraisalOfCollateralValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Appraisal Of Collateral Valuation Technique [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="nbn_AppraisalOfCollateralValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Appraisal of collateral</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeApproachValuationTechniqueMember" xlink:label="us-gaap_IncomeApproachValuationTechniqueMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeApproachValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Income Approach Valuation Technique [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeApproachValuationTechniqueMember" xlink:to="us-gaap_IncomeApproachValuationTechniqueMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncomeApproachValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Discounted cash flow</link:label>
  </link:labelLink>
</link:linkbase>
