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    <link:loc xlink:href="fcf-20141231.xsd#fcf_PreTslXiiMember" xlink:label="loc_fcf_PreTslXiiMember_A94B1B5110F9AD2019A6DB9711968CE2" xlink:type="locator" />
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    <link:label id="lab_fcf_PreTslXiiiMember_49C202B6E57B277D3A14DB9711962234_terseLabel_en-US" xlink:label="lab_fcf_PreTslXiiiMember_49C202B6E57B277D3A14DB9711962234" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pre TSL XIII [Member]</link:label>
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    <link:label id="lab_fcf_EstimateOfFutureCashFlowsPercentageInYearOneandTwo_E7629B67D2209ED5015ADB9711AAAA43_documentation_en-US" xlink:label="lab_fcf_EstimateOfFutureCashFlowsPercentageInYearOneandTwo_E7629B67D2209ED5015ADB9711AAAA43" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Estimate Of Future Cash Flows Percentage In Year One and Two</link:label>
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    <link:label id="lab_us-gaap_FairValueInputsPrepaymentRate_A9EF93D544BE173A09EBDB9711ABA8AF_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsPrepaymentRate_A9EF93D544BE173A09EBDB9711ABA8AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepayment rate</link:label>
    <link:label id="lab_us-gaap_FairValueInputsPrepaymentRate_A9EF93D544BE173A09EBDB9711ABA8AF_label_en-US" xlink:label="lab_us-gaap_FairValueInputsPrepaymentRate_A9EF93D544BE173A09EBDB9711ABA8AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Inputs, Prepayment Rate</link:label>
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    <link:label id="lab_fcf_ProbabilityPercentageAssignedToDefaultBankSubjectToMarketIndicators_30B7FEEAA7B311A90AD4DB9711AB4FD0_terseLabel_en-US" xlink:label="lab_fcf_ProbabilityPercentageAssignedToDefaultBankSubjectToMarketIndicators_30B7FEEAA7B311A90AD4DB9711AB4FD0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probability percentage assigned to default bank subject to market indicators</link:label>
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    <link:label id="lab_fcf_ProbabilityOfDefault_C2EAB59E29300412B9F7DB9711AB6AF5_terseLabel_en-US" xlink:label="lab_fcf_ProbabilityOfDefault_C2EAB59E29300412B9F7DB9711AB6AF5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probability of default</link:label>
    <link:label id="lab_fcf_ProbabilityOfDefault_C2EAB59E29300412B9F7DB9711AB6AF5_label_en-US" xlink:label="lab_fcf_ProbabilityOfDefault_C2EAB59E29300412B9F7DB9711AB6AF5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Probability Of Default</link:label>
    <link:label id="lab_fcf_ProbabilityOfDefault_C2EAB59E29300412B9F7DB9711AB6AF5_documentation_en-US" xlink:label="lab_fcf_ProbabilityOfDefault_C2EAB59E29300412B9F7DB9711AB6AF5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Probability of default.</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_ProbabilityOfDefault" xlink:label="loc_fcf_ProbabilityOfDefault_C2EAB59E29300412B9F7DB9711AB6AF5" xlink:type="locator" />
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    <link:label id="lab_fcf_ProbabilityPercentageAssignedToDefaultBank_E095580E7CA9039B504CDB9711AB1F93_terseLabel_en-US" xlink:label="lab_fcf_ProbabilityPercentageAssignedToDefaultBank_E095580E7CA9039B504CDB9711AB1F93" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probability percentage assigned to default bank</link:label>
    <link:label id="lab_fcf_ProbabilityPercentageAssignedToDefaultBank_E095580E7CA9039B504CDB9711AB1F93_label_en-US" xlink:label="lab_fcf_ProbabilityPercentageAssignedToDefaultBank_E095580E7CA9039B504CDB9711AB1F93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Probability Percentage Assigned To Default Bank</link:label>
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    <link:loc xlink:href="fcf-20141231.xsd#fcf_ProbabilityPercentageAssignedToDefaultBank" xlink:label="loc_fcf_ProbabilityPercentageAssignedToDefaultBank_E095580E7CA9039B504CDB9711AB1F93" xlink:type="locator" />
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    <link:label id="lab_fcf_ProjectedRecoveryRate_253143F0F6AE0FFC6673DB9711ABF757_documentation_en-US" xlink:label="lab_fcf_ProjectedRecoveryRate_253143F0F6AE0FFC6673DB9711ABF757" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Projected recovery rate.</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_ProjectedRecoveryRate" xlink:label="loc_fcf_ProjectedRecoveryRate_253143F0F6AE0FFC6673DB9711ABF757" xlink:type="locator" />
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    <link:label id="lab_fcf_ProbabilitiesForPerformingCollateralRange_8899F73BBE9C98692F09DB9711ABF597_terseLabel_en-US" xlink:label="lab_fcf_ProbabilitiesForPerformingCollateralRange_8899F73BBE9C98692F09DB9711ABF597" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probabilities for performing collateral range</link:label>
    <link:label id="lab_fcf_ProbabilitiesForPerformingCollateralRange_8899F73BBE9C98692F09DB9711ABF597_label_en-US" xlink:label="lab_fcf_ProbabilitiesForPerformingCollateralRange_8899F73BBE9C98692F09DB9711ABF597" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Probabilities For Performing Collateral Range</link:label>
    <link:label id="lab_fcf_ProbabilitiesForPerformingCollateralRange_8899F73BBE9C98692F09DB9711ABF597_documentation_en-US" xlink:label="lab_fcf_ProbabilitiesForPerformingCollateralRange_8899F73BBE9C98692F09DB9711ABF597" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Probabilities for performing collateral range.</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_ProbabilitiesForPerformingCollateralRange" xlink:label="loc_fcf_ProbabilitiesForPerformingCollateralRange_8899F73BBE9C98692F09DB9711ABF597" xlink:type="locator" />
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    <link:label id="lab_fcf_PercentageOfCurrentPerformingCollateral_F27B909F65DFA5C25602DB9711ABC05C_terseLabel_en-US" xlink:label="lab_fcf_PercentageOfCurrentPerformingCollateral_F27B909F65DFA5C25602DB9711ABC05C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of Current Performing Collateral</link:label>
    <link:label id="lab_fcf_PercentageOfCurrentPerformingCollateral_F27B909F65DFA5C25602DB9711ABC05C_label_en-US" xlink:label="lab_fcf_PercentageOfCurrentPerformingCollateral_F27B909F65DFA5C25602DB9711ABC05C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Current Performing Collateral</link:label>
    <link:label id="lab_fcf_PercentageOfCurrentPerformingCollateral_F27B909F65DFA5C25602DB9711ABC05C_documentation_en-US" xlink:label="lab_fcf_PercentageOfCurrentPerformingCollateral_F27B909F65DFA5C25602DB9711ABC05C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current performing collateral related to the security.</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_PercentageOfCurrentPerformingCollateral" xlink:label="loc_fcf_PercentageOfCurrentPerformingCollateral_F27B909F65DFA5C25602DB9711ABC05C" xlink:type="locator" />
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    <link:label id="lab_fcf_ExcessPresentValueOfFutureCashFlowsOverOurCurrentBookValue_E41E397BEBA5023B5342DB9711AB5FB5_terseLabel_en-US" xlink:label="lab_fcf_ExcessPresentValueOfFutureCashFlowsOverOurCurrentBookValue_E41E397BEBA5023B5342DB9711AB5FB5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Excess percent value of future cash flows over current book value</link:label>
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    <link:label id="lab_us-gaap_GainLossOnSaleOfSecuritiesNet_63010F2150CDC8B742B1DB9711ABFAFA_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfSecuritiesNet_63010F2150CDC8B742B1DB9711ABFAFA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net securities gains (losses)</link:label>
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    <link:label id="lab_us-gaap_FederalHomeLoanBankStock_1734B0A322BF5242C769DB9711AB7925_verboseLabel_en-US" xlink:label="lab_us-gaap_FederalHomeLoanBankStock_1734B0A322BF5242C769DB9711AB7925" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other investments</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromSaleOfFederalReserveStock_7650475D2B6E591EFA4ADB9711ABA275_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfFederalReserveStock_7650475D2B6E591EFA4ADB9711ABA275" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from the redemption of FHLB stock</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfFederalReserveStock_7650475D2B6E591EFA4ADB9711ABA275_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfFederalReserveStock_7650475D2B6E591EFA4ADB9711ABA275" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Federal Reserve Bank Stock</link:label>
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_5EF4BD8D956D677864F4DB91D4986ECD_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_5EF4BD8D956D677864F4DB91D4986ECD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_5EF4BD8D956D677864F4DB91D4986ECD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_5EF4BD8D956D677864F4DB91D4986ECD" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_5EF4BD8D956D677864F4DB91D4986ECD" xlink:type="arc" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_4760500A93FF9AB607ABDB91D4982421" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_EC526F462E64E6631C22DB91D49805CF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_864770A1A8A2E7AFC407DB91D49976E9_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_864770A1A8A2E7AFC407DB91D49976E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_864770A1A8A2E7AFC407DB91D49976E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_864770A1A8A2E7AFC407DB91D49976E9" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_864770A1A8A2E7AFC407DB91D49976E9" xlink:type="arc" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationBeforeTax_C582EE28AA694703AEE4DB9711F9CA4F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationBeforeTax_C582EE28AA694703AEE4DB9711F9CA4F" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationBeforeTax_C582EE28AA694703AEE4DB9711F9CA4F" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_AE2570511295BA4EADA5DB9711F9DBF6_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_AE2570511295BA4EADA5DB9711F9DBF6" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net (loss) gain, Pretax Amount</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_AE2570511295BA4EADA5DB9711F9DBF6_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_AE2570511295BA4EADA5DB9711F9DBF6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax, Portion Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_AE2570511295BA4EADA5DB9711F9DBF6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_AE2570511295BA4EADA5DB9711F9DBF6" xlink:to="lab_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent_AE2570511295BA4EADA5DB9711F9DBF6" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_26B92AA24661DA2F8E54DB9711F9A9F6_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_26B92AA24661DA2F8E54DB9711F9A9F6" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total Unrealized Gains (Losses) for Postretirement Obligations, Before Tax</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_26B92AA24661DA2F8E54DB9711F9A9F6_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_26B92AA24661DA2F8E54DB9711F9A9F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_26B92AA24661DA2F8E54DB9711F9A9F6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_26B92AA24661DA2F8E54DB9711F9A9F6" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_26B92AA24661DA2F8E54DB9711F9A9F6" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTax_886D71E52C8A5C589B33DB9711F92DA5_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTax_886D71E52C8A5C589B33DB9711F92DA5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total other comprehensive (loss) income, Pretax Amount</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTax_886D71E52C8A5C589B33DB9711F92DA5_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTax_886D71E52C8A5C589B33DB9711F92DA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), before Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_886D71E52C8A5C589B33DB9711F92DA5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_886D71E52C8A5C589B33DB9711F92DA5" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossBeforeTax_886D71E52C8A5C589B33DB9711F92DA5" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_8328FEB3701E374CD07EDB9711F9AF56_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_8328FEB3701E374CD07EDB9711F9AF56" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Unrealized holding (losses) gains on securities arising during the period, Tax (Expense) Benefit</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_8328FEB3701E374CD07EDB9711F9AF56_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_8328FEB3701E374CD07EDB9711F9AF56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_8328FEB3701E374CD07EDB9711F9AF56" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_8328FEB3701E374CD07EDB9711F9AF56" xlink:to="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_8328FEB3701E374CD07EDB9711F9AF56" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax_5B574883E936AE9835FCDB9711FA89B2_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax_5B574883E936AE9835FCDB9711FA89B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less: reclassification adjustment for (gains) losses on securities included in net income, Tax (Expense) Benefit</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax_5B574883E936AE9835FCDB9711FA89B2_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax_5B574883E936AE9835FCDB9711FA89B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax_5B574883E936AE9835FCDB9711FA89B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax_5B574883E936AE9835FCDB9711FA89B2" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax_5B574883E936AE9835FCDB9711FA89B2" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_B3E1E6C6BE5866BE9D6EDB9711FA8618_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_B3E1E6C6BE5866BE9D6EDB9711FA8618" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total Unrealized (Losses) Gains on Securities, Tax (Expense) Benefit</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_B3E1E6C6BE5866BE9D6EDB9711FA8618_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_B3E1E6C6BE5866BE9D6EDB9711FA8618" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Available-for-sale Securities, Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_B3E1E6C6BE5866BE9D6EDB9711FA8618" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_B3E1E6C6BE5866BE9D6EDB9711FA8618" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_B3E1E6C6BE5866BE9D6EDB9711FA8618" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationTax_C83FAFFBC371E5CA9844DB9711FA60A1_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationTax_C83FAFFBC371E5CA9844DB9711FA60A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transition obligation, Tax (Expense) Benefit</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationTax_C83FAFFBC371E5CA9844DB9711FA60A1_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationTax_C83FAFFBC371E5CA9844DB9711FA60A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Transition Asset (Obligation), Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationTax_C83FAFFBC371E5CA9844DB9711FA60A1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationTax_C83FAFFBC371E5CA9844DB9711FA60A1" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationTax_C83FAFFBC371E5CA9844DB9711FA60A1" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax_A2E07CC1FA6F182E4C34DB9711FAC920_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax_A2E07CC1FA6F182E4C34DB9711FAC920" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net (loss) gain, Tax (Expense) Benefit</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax_A2E07CC1FA6F182E4C34DB9711FAC920_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax_A2E07CC1FA6F182E4C34DB9711FAC920" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax_A2E07CC1FA6F182E4C34DB9711FAC920" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax_A2E07CC1FA6F182E4C34DB9711FAC920" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax_A2E07CC1FA6F182E4C34DB9711FAC920" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_8D2BF22CB82DF53A9CC2DB9711FA2B43_totalLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_8D2BF22CB82DF53A9CC2DB9711FA2B43" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Unrealized Gains (Losses) for Postretirement Obligations, Tax (Expense) Benefit</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_8D2BF22CB82DF53A9CC2DB9711FA2B43_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_8D2BF22CB82DF53A9CC2DB9711FA2B43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_8D2BF22CB82DF53A9CC2DB9711FA2B43" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_8D2BF22CB82DF53A9CC2DB9711FA2B43" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax_8D2BF22CB82DF53A9CC2DB9711FA2B43" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossTax_E6CDE9E83A0C8FBE40EADB9711FAA3A0_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossTax_E6CDE9E83A0C8FBE40EADB9711FAA3A0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Total other comprehensive (loss) income, Tax (Expense) Benefit</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossTax_E6CDE9E83A0C8FBE40EADB9711FAA3A0_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossTax_E6CDE9E83A0C8FBE40EADB9711FAA3A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_E6CDE9E83A0C8FBE40EADB9711FAA3A0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTax_E6CDE9E83A0C8FBE40EADB9711FAA3A0" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossTax_E6CDE9E83A0C8FBE40EADB9711FAA3A0" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_9C599A8A64FC61A6DEBEDB9711FAC001_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_9C599A8A64FC61A6DEBEDB9711FAC001" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unrealized holding (losses) gains on securities arising during the period, Net of Tax Amount</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_9C599A8A64FC61A6DEBEDB9711FAC001_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_9C599A8A64FC61A6DEBEDB9711FAC001" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_9C599A8A64FC61A6DEBEDB9711FAC001" xlink:type="locator" />
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    <link:label id="lab_fcf_UsefulLifeOfCapitalizedSoftware_90594BE064F07374FD86B9842CB644E1_terseLabel_en-US" xlink:label="lab_fcf_UsefulLifeOfCapitalizedSoftware_90594BE064F07374FD86B9842CB644E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Software purchases and developed are capitalized and amortized on straight-line basis</link:label>
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    <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentCurrent_E2C16185A4672557149AB9842D910406_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentCurrent_E2C16185A4672557149AB9842D910406" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentCurrent_E2C16185A4672557149AB9842D910406" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" xlink:label="loc_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_731BB2CBA02583F2AA50B9842D915780" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DefinedBenefitPlanServiceCost_5C1F81C77CDD0B72819BDB97109F8E7F_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanServiceCost_5C1F81C77CDD0B72819BDB97109F8E7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Service cost</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasedAssetsLineItems_51CFC07A00ED6BDCC16FB9842B8E5F22_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasedAssetsLineItems_51CFC07A00ED6BDCC16FB9842B8E5F22" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leased Assets [Line Items]</link:label>
    <link:label id="lab_us-gaap_OperatingLeasedAssetsLineItems_51CFC07A00ED6BDCC16FB9842B8E5F22_label_en-US" xlink:label="lab_us-gaap_OperatingLeasedAssetsLineItems_51CFC07A00ED6BDCC16FB9842B8E5F22" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leased Assets [Line Items]</link:label>
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    <link:label id="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueCurrent_EDF60B98675EE040A962B9842B8EF2D1_documentation_en-US" xlink:label="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueCurrent_EDF60B98675EE040A962B9842B8EF2D1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Future Minimum Rent Expense Corporate Office Leases Due Current</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueCurrent" xlink:label="loc_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueCurrent_EDF60B98675EE040A962B9842B8EF2D1" xlink:type="locator" />
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    <link:label id="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInTwoYears_AEB9A5084D2EB993682DB9842B8EC707_terseLabel_en-US" xlink:label="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInTwoYears_AEB9A5084D2EB993682DB9842B8EC707" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
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    <link:label id="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInTwoYears_AEB9A5084D2EB993682DB9842B8EC707_documentation_en-US" xlink:label="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInTwoYears_AEB9A5084D2EB993682DB9842B8EC707" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Future Minimum Rent Expense Corporate Office Leases Due In Two Years</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInTwoYears" xlink:label="loc_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInTwoYears_AEB9A5084D2EB993682DB9842B8EC707" xlink:type="locator" />
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    <link:label id="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInThreeYears_ADB78B4708119DB428BEB9842B8ECC12_terseLabel_en-US" xlink:label="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInThreeYears_ADB78B4708119DB428BEB9842B8ECC12" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
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    <link:label id="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInThreeYears_ADB78B4708119DB428BEB9842B8ECC12_documentation_en-US" xlink:label="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInThreeYears_ADB78B4708119DB428BEB9842B8ECC12" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Future Minimum Rent Expense Corporate Office Leases Due In Three Years</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInThreeYears" xlink:label="loc_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInThreeYears_ADB78B4708119DB428BEB9842B8ECC12" xlink:type="locator" />
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    <link:label id="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInFourYears_3589859180DF89450D32B9842B8EFBA1_terseLabel_en-US" xlink:label="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInFourYears_3589859180DF89450D32B9842B8EFBA1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
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    <link:loc xlink:href="fcf-20141231.xsd#fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInFourYears" xlink:label="loc_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInFourYears_3589859180DF89450D32B9842B8EFBA1" xlink:type="locator" />
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    <link:label id="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInFiveYears_00A6FB5376C6BC15D63DB9842B8ECF91_terseLabel_en-US" xlink:label="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInFiveYears_00A6FB5376C6BC15D63DB9842B8ECF91" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
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    <link:label id="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInFiveYears_00A6FB5376C6BC15D63DB9842B8ECF91_documentation_en-US" xlink:label="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueInFiveYears_00A6FB5376C6BC15D63DB9842B8ECF91" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Future Minimum Rent Expense Corporate Office Leases Due In Five Years</link:label>
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    <link:label id="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueThereafter_17941B7555315B336469B9842B8EF956_terseLabel_en-US" xlink:label="lab_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueThereafter_17941B7555315B336469B9842B8EF956" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Therafter</link:label>
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    <link:loc xlink:href="fcf-20141231.xsd#fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueThereafter" xlink:label="loc_fcf_FutureMinimumRentExpenseCorporateOfficeLeasesDueThereafter_17941B7555315B336469B9842B8EF956" xlink:type="locator" />
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    <link:label id="lab_fcf_FinancingReceivableTroubledDebtRestructuredLoansAccrualStatus_3396D5EC54ED21B04795B9842AD3C749_terseLabel_en-US" xlink:label="lab_fcf_FinancingReceivableTroubledDebtRestructuredLoansAccrualStatus_3396D5EC54ED21B04795B9842AD3C749" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrual status</link:label>
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    <link:label id="lab_us-gaap_ReserveForOffBalanceSheetActivitiesMember_8C06DE521547BCF2A1B2DB97117DEF11_terseLabel_en-US" xlink:label="lab_us-gaap_ReserveForOffBalanceSheetActivitiesMember_8C06DE521547BCF2A1B2DB97117DEF11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserve for Off-balance Sheet Activities [Member]</link:label>
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    <link:label id="lab_fcf_NonaccrualCommercialLoansAxis_27E57F8B097F342A0B94DB97117DBA6D_terseLabel_en-US" xlink:label="lab_fcf_NonaccrualCommercialLoansAxis_27E57F8B097F342A0B94DB97117DBA6D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nonaccrual Commercial Loans [Axis]</link:label>
    <link:label id="lab_fcf_NonaccrualCommercialLoansAxis_27E57F8B097F342A0B94DB97117DBA6D_label_en-US" xlink:label="lab_fcf_NonaccrualCommercialLoansAxis_27E57F8B097F342A0B94DB97117DBA6D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonaccrual Commercial Loans [Axis]</link:label>
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    <link:loc xlink:href="fcf-20141231.xsd#fcf_NonaccrualCommercialLoansAxis" xlink:label="loc_fcf_NonaccrualCommercialLoansAxis_27E57F8B097F342A0B94DB97117DBA6D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fcf_NonaccrualCommercialLoansAxis_27E57F8B097F342A0B94DB97117DBA6D" xlink:to="lab_fcf_NonaccrualCommercialLoansAxis_27E57F8B097F342A0B94DB97117DBA6D" xlink:type="arc" />
    <link:label id="lab_fcf_NonaccrualCommercialLoansDomain_4000CC9C7B15B9159017DB97117D18D5_terseLabel_en-US" xlink:label="lab_fcf_NonaccrualCommercialLoansDomain_4000CC9C7B15B9159017DB97117D18D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nonaccrual Commercial Loans [Domain]</link:label>
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    <link:label id="lab_fcf_WesternPennsylvaniaSpecialtyMetalProcessorMember_8B301ECB7188C0AB1469DB97117D5AF3_terseLabel_en-US" xlink:label="lab_fcf_WesternPennsylvaniaSpecialtyMetalProcessorMember_8B301ECB7188C0AB1469DB97117D5AF3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Western Pennsylvania Specialty Metal Processor [Member]</link:label>
    <link:label id="lab_fcf_WesternPennsylvaniaSpecialtyMetalProcessorMember_8B301ECB7188C0AB1469DB97117D5AF3_label_en-US" xlink:label="lab_fcf_WesternPennsylvaniaSpecialtyMetalProcessorMember_8B301ECB7188C0AB1469DB97117D5AF3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Western Pennsylvania Specialty Metal Processor [Member]</link:label>
    <link:label id="lab_fcf_WesternPennsylvaniaSpecialtyMetalProcessorMember_8B301ECB7188C0AB1469DB97117D5AF3_documentation_en-US" xlink:label="lab_fcf_WesternPennsylvaniaSpecialtyMetalProcessorMember_8B301ECB7188C0AB1469DB97117D5AF3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Western Pennsylvania Specialty Metal Processor [Member]</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_WesternPennsylvaniaSpecialtyMetalProcessorMember" xlink:label="loc_fcf_WesternPennsylvaniaSpecialtyMetalProcessorMember_8B301ECB7188C0AB1469DB97117D5AF3" xlink:type="locator" />
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    <link:label id="lab_fcf_WesternPennsylvaniaRealsEstateManagerMember_3842871357DCAC8DEB10DB97117D6EAF_documentation_en-US" xlink:label="lab_fcf_WesternPennsylvaniaRealsEstateManagerMember_3842871357DCAC8DEB10DB97117D6EAF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Western Pennsylvania Reals Estate Manager [Member]</link:label>
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    <link:label id="lab_fcf_LocalEnergyCompanyMember_18538349DBD86306E435DB97117D301D_terseLabel_en-US" xlink:label="lab_fcf_LocalEnergyCompanyMember_18538349DBD86306E435DB97117D301D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Local Energy Company [Member]</link:label>
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    <link:label id="lab_fcf_LocalEnergyCompanyMember_18538349DBD86306E435DB97117D301D_documentation_en-US" xlink:label="lab_fcf_LocalEnergyCompanyMember_18538349DBD86306E435DB97117D301D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Local Energy Company [Member]</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_LocalEnergyCompanyMember" xlink:label="loc_fcf_LocalEnergyCompanyMember_18538349DBD86306E435DB97117D301D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fcf_LocalEnergyCompanyMember_18538349DBD86306E435DB97117D301D" xlink:to="lab_fcf_LocalEnergyCompanyMember_18538349DBD86306E435DB97117D301D" xlink:type="arc" />
    <link:label id="lab_fcf_LoanToDifferentProjectAxis_2E1424C87D74A07BD071DB97117DE187_terseLabel_en-US" xlink:label="lab_fcf_LoanToDifferentProjectAxis_2E1424C87D74A07BD071DB97117DE187" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan To Different Project [Axis]</link:label>
    <link:label id="lab_fcf_LoanToDifferentProjectAxis_2E1424C87D74A07BD071DB97117DE187_label_en-US" xlink:label="lab_fcf_LoanToDifferentProjectAxis_2E1424C87D74A07BD071DB97117DE187" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan To Different Project [Axis]</link:label>
    <link:label id="lab_fcf_LoanToDifferentProjectAxis_2E1424C87D74A07BD071DB97117DE187_documentation_en-US" xlink:label="lab_fcf_LoanToDifferentProjectAxis_2E1424C87D74A07BD071DB97117DE187" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan To Different Project [Axis]</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_LoanToDifferentProjectAxis" xlink:label="loc_fcf_LoanToDifferentProjectAxis_2E1424C87D74A07BD071DB97117DE187" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fcf_LoanToDifferentProjectAxis_2E1424C87D74A07BD071DB97117DE187" xlink:to="lab_fcf_LoanToDifferentProjectAxis_2E1424C87D74A07BD071DB97117DE187" xlink:type="arc" />
    <link:label id="lab_fcf_LoanToDifferentProjectDomain_19F3EB825D5350A582F9DB97117DBE26_terseLabel_en-US" xlink:label="lab_fcf_LoanToDifferentProjectDomain_19F3EB825D5350A582F9DB97117DBE26" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan To Different Project [Domain]</link:label>
    <link:label id="lab_fcf_LoanToDifferentProjectDomain_19F3EB825D5350A582F9DB97117DBE26_label_en-US" xlink:label="lab_fcf_LoanToDifferentProjectDomain_19F3EB825D5350A582F9DB97117DBE26" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan To Different Project [Domain]</link:label>
    <link:label id="lab_fcf_LoanToDifferentProjectDomain_19F3EB825D5350A582F9DB97117DBE26_documentation_en-US" xlink:label="lab_fcf_LoanToDifferentProjectDomain_19F3EB825D5350A582F9DB97117DBE26" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan To Different Project [Domain]</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_LoanToDifferentProjectDomain" xlink:label="loc_fcf_LoanToDifferentProjectDomain_19F3EB825D5350A582F9DB97117DBE26" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fcf_LoanToDifferentProjectDomain_19F3EB825D5350A582F9DB97117DBE26" xlink:to="lab_fcf_LoanToDifferentProjectDomain_19F3EB825D5350A582F9DB97117DBE26" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConsumerLoanMember_47EA897DFB4204C29FE5DB97117D4BD2_terseLabel_en-US" xlink:label="lab_us-gaap_ConsumerLoanMember_47EA897DFB4204C29FE5DB97117D4BD2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consumer Loan [Member]</link:label>
    <link:label id="lab_us-gaap_ConsumerLoanMember_47EA897DFB4204C29FE5DB97117D4BD2_label_en-US" xlink:label="lab_us-gaap_ConsumerLoanMember_47EA897DFB4204C29FE5DB97117D4BD2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consumer Loan [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConsumerLoanMember" xlink:label="loc_us-gaap_ConsumerLoanMember_47EA897DFB4204C29FE5DB97117D4BD2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsumerLoanMember_47EA897DFB4204C29FE5DB97117D4BD2" xlink:to="lab_us-gaap_ConsumerLoanMember_47EA897DFB4204C29FE5DB97117D4BD2" xlink:type="arc" />
    <link:label id="lab_fcf_NonaccrualCommercialLoansMember_8079BD3113FA5CB2EB26DB97117D9E0F_terseLabel_en-US" xlink:label="lab_fcf_NonaccrualCommercialLoansMember_8079BD3113FA5CB2EB26DB97117D9E0F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nonaccrual Commercial Loans [Member]</link:label>
    <link:label id="lab_fcf_NonaccrualCommercialLoansMember_8079BD3113FA5CB2EB26DB97117D9E0F_label_en-US" xlink:label="lab_fcf_NonaccrualCommercialLoansMember_8079BD3113FA5CB2EB26DB97117D9E0F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonaccrual Commercial Loans [Member]</link:label>
    <link:label id="lab_fcf_NonaccrualCommercialLoansMember_8079BD3113FA5CB2EB26DB97117D9E0F_documentation_en-US" xlink:label="lab_fcf_NonaccrualCommercialLoansMember_8079BD3113FA5CB2EB26DB97117D9E0F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nonaccrual Commercial Loans [Member]</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_NonaccrualCommercialLoansMember" xlink:label="loc_fcf_NonaccrualCommercialLoansMember_8079BD3113FA5CB2EB26DB97117D9E0F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fcf_NonaccrualCommercialLoansMember_8079BD3113FA5CB2EB26DB97117D9E0F" xlink:to="lab_fcf_NonaccrualCommercialLoansMember_8079BD3113FA5CB2EB26DB97117D9E0F" xlink:type="arc" />
    <link:label id="lab_fcf_NonaccrualConsumerLoansMember_5B8596FB0B81638494D1DB97117DFAFB_terseLabel_en-US" xlink:label="lab_fcf_NonaccrualConsumerLoansMember_5B8596FB0B81638494D1DB97117DFAFB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nonaccrual Consumer Loans [Member]</link:label>
    <link:label id="lab_fcf_NonaccrualConsumerLoansMember_5B8596FB0B81638494D1DB97117DFAFB_label_en-US" xlink:label="lab_fcf_NonaccrualConsumerLoansMember_5B8596FB0B81638494D1DB97117DFAFB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonaccrual Consumer Loans [Member]</link:label>
    <link:label id="lab_fcf_NonaccrualConsumerLoansMember_5B8596FB0B81638494D1DB97117DFAFB_documentation_en-US" xlink:label="lab_fcf_NonaccrualConsumerLoansMember_5B8596FB0B81638494D1DB97117DFAFB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nonaccrual Consumer Loans [Member]</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_NonaccrualConsumerLoansMember" xlink:label="loc_fcf_NonaccrualConsumerLoansMember_5B8596FB0B81638494D1DB97117DFAFB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fcf_NonaccrualConsumerLoansMember_5B8596FB0B81638494D1DB97117DFAFB" xlink:to="lab_fcf_NonaccrualConsumerLoansMember_5B8596FB0B81638494D1DB97117DFAFB" xlink:type="arc" />
    <link:label id="lab_fcf_NonAccrualLoansMember_3BEC71970503364CE6CCDB97117E455D_terseLabel_en-US" xlink:label="lab_fcf_NonAccrualLoansMember_3BEC71970503364CE6CCDB97117E455D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non Accrual Loans [Member]</link:label>
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    <link:loc xlink:href="fcf-20141231.xsd#fcf_NonAccrualLoansMember" xlink:label="loc_fcf_NonAccrualLoansMember_3BEC71970503364CE6CCDB97117E455D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fcf_NonAccrualLoansMember_3BEC71970503364CE6CCDB97117E455D" xlink:to="lab_fcf_NonAccrualLoansMember_3BEC71970503364CE6CCDB97117E455D" xlink:type="arc" />
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    <link:label id="lab_fcf_WaterTreatmentPlantMember_CDD553B7F2F41DCB2B00DB97117E7F11_terseLabel_en-US" xlink:label="lab_fcf_WaterTreatmentPlantMember_CDD553B7F2F41DCB2B00DB97117E7F11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Water Treatment Plant [Member]</link:label>
    <link:label id="lab_fcf_WaterTreatmentPlantMember_CDD553B7F2F41DCB2B00DB97117E7F11_label_en-US" xlink:label="lab_fcf_WaterTreatmentPlantMember_CDD553B7F2F41DCB2B00DB97117E7F11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Water Treatment Plant [Member]</link:label>
    <link:label id="lab_fcf_WaterTreatmentPlantMember_CDD553B7F2F41DCB2B00DB97117E7F11_documentation_en-US" xlink:label="lab_fcf_WaterTreatmentPlantMember_CDD553B7F2F41DCB2B00DB97117E7F11" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Water Treatment Plant [Member]</link:label>
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    <link:label id="lab_fcf_GasWellServicingOperationMember_78CFA6F67ABCF1DDC187DB97117E0259_terseLabel_en-US" xlink:label="lab_fcf_GasWellServicingOperationMember_78CFA6F67ABCF1DDC187DB97117E0259" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gas Well Servicing Operation [Member]</link:label>
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    <link:label id="lab_fcf_GasWellServicingOperationMember_78CFA6F67ABCF1DDC187DB97117E0259_documentation_en-US" xlink:label="lab_fcf_GasWellServicingOperationMember_78CFA6F67ABCF1DDC187DB97117E0259" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gas Well Servicing Operation [Member]</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_GasWellServicingOperationMember" xlink:label="loc_fcf_GasWellServicingOperationMember_78CFA6F67ABCF1DDC187DB97117E0259" xlink:type="locator" />
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    <link:label id="lab_fcf_NonAccrualStatusOfLoansAfterNumberOfDaysPastDue_A527A160B6D3FC41D097DB97117F9200_terseLabel_en-US" xlink:label="lab_fcf_NonAccrualStatusOfLoansAfterNumberOfDaysPastDue_A527A160B6D3FC41D097DB97117F9200" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non Accrual Status Of Loans After Number Of Days Past Due</link:label>
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    <link:loc xlink:href="fcf-20141231.xsd#fcf_NonAccrualStatusOfLoansAfterNumberOfDaysPastDue" xlink:label="loc_fcf_NonAccrualStatusOfLoansAfterNumberOfDaysPastDue_A527A160B6D3FC41D097DB97117F9200" xlink:type="locator" />
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    <link:label id="lab_fcf_IncreaseInCommitmentsRelatedToTroubledDebtRestructuredLoans_59C28363950799FA85AEDB97117FBAC6_terseLabel_en-US" xlink:label="lab_fcf_IncreaseInCommitmentsRelatedToTroubledDebtRestructuredLoans_59C28363950799FA85AEDB97117FBAC6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase In Commitments Related To Troubled Debt Restructured Loans</link:label>
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    <link:label id="lab_fcf_IncreaseInCommitmentsRelatedToTroubledDebtRestructuredLoans_59C28363950799FA85AEDB97117FBAC6_documentation_en-US" xlink:label="lab_fcf_IncreaseInCommitmentsRelatedToTroubledDebtRestructuredLoans_59C28363950799FA85AEDB97117FBAC6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase In Commitments Related To Troubled Debt Restructured Loans</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_IncreaseInCommitmentsRelatedToTroubledDebtRestructuredLoans" xlink:label="loc_fcf_IncreaseInCommitmentsRelatedToTroubledDebtRestructuredLoans_59C28363950799FA85AEDB97117FBAC6" xlink:type="locator" />
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    <link:label id="lab_fcf_TroubledDebtRestructuredLoansDecreased_8C58277E774A5A3D775BDB97117F6A83_terseLabel_en-US" xlink:label="lab_fcf_TroubledDebtRestructuredLoansDecreased_8C58277E774A5A3D775BDB97117F6A83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Troubled Debt Restructured Loans Decreased</link:label>
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    <link:label id="lab_fcf_TroubledDebtRestructuredLoansDecreased_8C58277E774A5A3D775BDB97117F6A83_documentation_en-US" xlink:label="lab_fcf_TroubledDebtRestructuredLoansDecreased_8C58277E774A5A3D775BDB97117F6A83" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Troubled debt restructured loans decreased.</link:label>
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    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_92A218D6AAB7F7DD8D99DB97117F8414_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_92A218D6AAB7F7DD8D99DB97117F8414" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charge-offs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_92A218D6AAB7F7DD8D99DB97117F8414" xlink:type="locator" />
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    <link:label id="lab_fcf_IncreaseDecreaseInNonperformingLoans_390B2254EA2FFF8A49F1DB97117FDD3E_terseLabel_en-US" xlink:label="lab_fcf_IncreaseDecreaseInNonperformingLoans_390B2254EA2FFF8A49F1DB97117FDD3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decrease in nonperforming loans</link:label>
    <link:label id="lab_fcf_IncreaseDecreaseInNonperformingLoans_390B2254EA2FFF8A49F1DB97117FDD3E_label_en-US" xlink:label="lab_fcf_IncreaseDecreaseInNonperformingLoans_390B2254EA2FFF8A49F1DB97117FDD3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease In Nonperforming Loans</link:label>
    <link:label id="lab_fcf_IncreaseDecreaseInNonperformingLoans_390B2254EA2FFF8A49F1DB97117FDD3E_documentation_en-US" xlink:label="lab_fcf_IncreaseDecreaseInNonperformingLoans_390B2254EA2FFF8A49F1DB97117FDD3E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (decrease) in nonperforming loans.</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_IncreaseDecreaseInNonperformingLoans" xlink:label="loc_fcf_IncreaseDecreaseInNonperformingLoans_390B2254EA2FFF8A49F1DB97117FDD3E" xlink:type="locator" />
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    <link:label id="lab_fcf_AmountOfNonAccrualStatusLoan_BA2854D9E7B462B62DC7DB97117F11F0_terseLabel_en-US" xlink:label="lab_fcf_AmountOfNonAccrualStatusLoan_BA2854D9E7B462B62DC7DB97117F11F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount Of Non Accrual Status Loan</link:label>
    <link:label id="lab_fcf_AmountOfNonAccrualStatusLoan_BA2854D9E7B462B62DC7DB97117F11F0_label_en-US" xlink:label="lab_fcf_AmountOfNonAccrualStatusLoan_BA2854D9E7B462B62DC7DB97117F11F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount Of Non Accrual Status Loan</link:label>
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    <link:loc xlink:href="fcf-20141231.xsd#fcf_AmountOfNonAccrualStatusLoan" xlink:label="loc_fcf_AmountOfNonAccrualStatusLoan_BA2854D9E7B462B62DC7DB97117F11F0" xlink:type="locator" />
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    <link:label id="lab_fcf_DecreaseInSpecificAllowanceForNonperformingLoans_42E146098E51D05BAE23DB97117FD7BD_terseLabel_en-US" xlink:label="lab_fcf_DecreaseInSpecificAllowanceForNonperformingLoans_42E146098E51D05BAE23DB97117FD7BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decrease In Specific Allowance For Nonperforming Loans</link:label>
    <link:label id="lab_fcf_DecreaseInSpecificAllowanceForNonperformingLoans_42E146098E51D05BAE23DB97117FD7BD_label_en-US" xlink:label="lab_fcf_DecreaseInSpecificAllowanceForNonperformingLoans_42E146098E51D05BAE23DB97117FD7BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease In Specific Allowance For Nonperforming Loans</link:label>
    <link:label id="lab_fcf_DecreaseInSpecificAllowanceForNonperformingLoans_42E146098E51D05BAE23DB97117FD7BD_documentation_en-US" xlink:label="lab_fcf_DecreaseInSpecificAllowanceForNonperformingLoans_42E146098E51D05BAE23DB97117FD7BD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease in specific allowance for nonperforming loans.</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_DecreaseInSpecificAllowanceForNonperformingLoans" xlink:label="loc_fcf_DecreaseInSpecificAllowanceForNonperformingLoans_42E146098E51D05BAE23DB97117FD7BD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ImpairedFinancingReceivableRecordedInvestment_1C0730E235971B15DD49DB97117FEFE9_terseLabel_en-US" xlink:label="lab_us-gaap_ImpairedFinancingReceivableRecordedInvestment_1C0730E235971B15DD49DB97117FEFE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recorded Investment</link:label>
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    <link:label id="lab_fcf_NewNonAccrualLoans_6149AF49DA7E525198F2DB97117F5B9F_terseLabel_en-US" xlink:label="lab_fcf_NewNonAccrualLoans_6149AF49DA7E525198F2DB97117F5B9F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nonaccrual loans</link:label>
    <link:label id="lab_fcf_NewNonAccrualLoans_6149AF49DA7E525198F2DB97117F5B9F_label_en-US" xlink:label="lab_fcf_NewNonAccrualLoans_6149AF49DA7E525198F2DB97117F5B9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Non Accrual Loans</link:label>
    <link:label id="lab_fcf_NewNonAccrualLoans_6149AF49DA7E525198F2DB97117F5B9F_documentation_en-US" xlink:label="lab_fcf_NewNonAccrualLoans_6149AF49DA7E525198F2DB97117F5B9F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New loans moved into nonaccrual status.</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_NewNonAccrualLoans" xlink:label="loc_fcf_NewNonAccrualLoans_6149AF49DA7E525198F2DB97117F5B9F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fcf_NewNonAccrualLoans_6149AF49DA7E525198F2DB97117F5B9F" xlink:to="lab_fcf_NewNonAccrualLoans_6149AF49DA7E525198F2DB97117F5B9F" xlink:type="arc" />
    <link:label id="lab_fcf_UnfundedCommitmentsRelatedToNonperformingLoans_EAF919B422C0DAE1A65EDB97117F5969_terseLabel_en-US" xlink:label="lab_fcf_UnfundedCommitmentsRelatedToNonperformingLoans_EAF919B422C0DAE1A65EDB97117F5969" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unfunded commitments related to nonperforming loans</link:label>
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    <link:label id="lab_fcf_UnfundedCommitmentsRelatedToNonperformingLoans_EAF919B422C0DAE1A65EDB97117F5969_documentation_en-US" xlink:label="lab_fcf_UnfundedCommitmentsRelatedToNonperformingLoans_EAF919B422C0DAE1A65EDB97117F5969" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unfunded commitments related to nonperforming loans.</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_UnfundedCommitmentsRelatedToNonperformingLoans" xlink:label="loc_fcf_UnfundedCommitmentsRelatedToNonperformingLoans_EAF919B422C0DAE1A65EDB97117F5969" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fcf_UnfundedCommitmentsRelatedToNonperformingLoans_EAF919B422C0DAE1A65EDB97117F5969" xlink:to="lab_fcf_UnfundedCommitmentsRelatedToNonperformingLoans_EAF919B422C0DAE1A65EDB97117F5969" xlink:type="arc" />
    <link:label id="lab_fcf_OffBalanceSheetReserveToNonperformingLoans_204C61953D5599CBAC8ADB97117F5673_terseLabel_en-US" xlink:label="lab_fcf_OffBalanceSheetReserveToNonperformingLoans_204C61953D5599CBAC8ADB97117F5673" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Off balance sheet reserve to nonperforming loans</link:label>
    <link:label id="lab_fcf_OffBalanceSheetReserveToNonperformingLoans_204C61953D5599CBAC8ADB97117F5673_label_en-US" xlink:label="lab_fcf_OffBalanceSheetReserveToNonperformingLoans_204C61953D5599CBAC8ADB97117F5673" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Off Balance Sheet Reserve To Nonperforming Loans</link:label>
    <link:label id="lab_fcf_OffBalanceSheetReserveToNonperformingLoans_204C61953D5599CBAC8ADB97117F5673_documentation_en-US" xlink:label="lab_fcf_OffBalanceSheetReserveToNonperformingLoans_204C61953D5599CBAC8ADB97117F5673" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Off balance sheet reserve to nonperforming loans.</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_OffBalanceSheetReserveToNonperformingLoans" xlink:label="loc_fcf_OffBalanceSheetReserveToNonperformingLoans_204C61953D5599CBAC8ADB97117F5673" xlink:type="locator" />
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    <link:label id="lab_fcf_DebtInstrumentMaturityExtensionPeriod_BF28FDFBF51FE815559DDB97117F2481_terseLabel_en-US" xlink:label="lab_fcf_DebtInstrumentMaturityExtensionPeriod_BF28FDFBF51FE815559DDB97117F2481" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan maturity extension</link:label>
    <link:label id="lab_fcf_DebtInstrumentMaturityExtensionPeriod_BF28FDFBF51FE815559DDB97117F2481_label_en-US" xlink:label="lab_fcf_DebtInstrumentMaturityExtensionPeriod_BF28FDFBF51FE815559DDB97117F2481" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Extension Period</link:label>
    <link:label id="lab_fcf_DebtInstrumentMaturityExtensionPeriod_BF28FDFBF51FE815559DDB97117F2481_documentation_en-US" xlink:label="lab_fcf_DebtInstrumentMaturityExtensionPeriod_BF28FDFBF51FE815559DDB97117F2481" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Extension Period</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_DebtInstrumentMaturityExtensionPeriod" xlink:label="loc_fcf_DebtInstrumentMaturityExtensionPeriod_BF28FDFBF51FE815559DDB97117F2481" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fcf_DebtInstrumentMaturityExtensionPeriod_BF28FDFBF51FE815559DDB97117F2481" xlink:to="lab_fcf_DebtInstrumentMaturityExtensionPeriod_BF28FDFBF51FE815559DDB97117F2481" xlink:type="arc" />
    <link:label id="lab_fcf_LoansWithModificationsToRateAndPaymentDueToReamortization_BA7F34690CFFA92E4F5FDB9711807F04_terseLabel_en-US" xlink:label="lab_fcf_LoansWithModificationsToRateAndPaymentDueToReamortization_BA7F34690CFFA92E4F5FDB9711807F04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans with modification to rate and payment due to amortization</link:label>
    <link:label id="lab_fcf_LoansWithModificationsToRateAndPaymentDueToReamortization_BA7F34690CFFA92E4F5FDB9711807F04_label_en-US" xlink:label="lab_fcf_LoansWithModificationsToRateAndPaymentDueToReamortization_BA7F34690CFFA92E4F5FDB9711807F04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans With Modifications To Rate And Payment Due To Reamortization</link:label>
    <link:label id="lab_fcf_LoansWithModificationsToRateAndPaymentDueToReamortization_BA7F34690CFFA92E4F5FDB9711807F04_documentation_en-US" xlink:label="lab_fcf_LoansWithModificationsToRateAndPaymentDueToReamortization_BA7F34690CFFA92E4F5FDB9711807F04" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans with modifications to rate and payment due to reamortization.</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_LoansWithModificationsToRateAndPaymentDueToReamortization" xlink:label="loc_fcf_LoansWithModificationsToRateAndPaymentDueToReamortization_BA7F34690CFFA92E4F5FDB9711807F04" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_fcf_LoansWithModificationsToRateAndPaymentDueToReamortization_BA7F34690CFFA92E4F5FDB9711807F04" xlink:to="lab_fcf_LoansWithModificationsToRateAndPaymentDueToReamortization_BA7F34690CFFA92E4F5FDB9711807F04" xlink:type="arc" />
    <link:label id="lab_fcf_TdrDefaultDays_EF55A6574B7FEB6FC3C1DB97118001E1_terseLabel_en-US" xlink:label="lab_fcf_TdrDefaultDays_EF55A6574B7FEB6FC3C1DB97118001E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum days required for conversion of trouble debt to be in default</link:label>
    <link:label id="lab_fcf_TdrDefaultDays_EF55A6574B7FEB6FC3C1DB97118001E1_label_en-US" xlink:label="lab_fcf_TdrDefaultDays_EF55A6574B7FEB6FC3C1DB97118001E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tdr Default Days</link:label>
    <link:label id="lab_fcf_TdrDefaultDays_EF55A6574B7FEB6FC3C1DB97118001E1_documentation_en-US" xlink:label="lab_fcf_TdrDefaultDays_EF55A6574B7FEB6FC3C1DB97118001E1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum days past due for TDR Default</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_TdrDefaultDays" xlink:label="loc_fcf_TdrDefaultDays_EF55A6574B7FEB6FC3C1DB97118001E1" xlink:type="locator" />
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    <link:label id="lab_fcf_FinancingReceivableModificationSubsequentDefaultNumberofContracts_EBB99DC2715CBED4EC7BDB971180F3F7_terseLabel_en-US" xlink:label="lab_fcf_FinancingReceivableModificationSubsequentDefaultNumberofContracts_EBB99DC2715CBED4EC7BDB971180F3F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modification, Subsequent Default, Number of Contracts</link:label>
    <link:label id="lab_fcf_FinancingReceivableModificationSubsequentDefaultNumberofContracts_EBB99DC2715CBED4EC7BDB971180F3F7_label_en-US" xlink:label="lab_fcf_FinancingReceivableModificationSubsequentDefaultNumberofContracts_EBB99DC2715CBED4EC7BDB971180F3F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modification, Subsequent Default, Number of Contracts</link:label>
    <link:label id="lab_fcf_FinancingReceivableModificationSubsequentDefaultNumberofContracts_EBB99DC2715CBED4EC7BDB971180F3F7_documentation_en-US" xlink:label="lab_fcf_FinancingReceivableModificationSubsequentDefaultNumberofContracts_EBB99DC2715CBED4EC7BDB971180F3F7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modification, Subsequent Default, Number of Contracts</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_FinancingReceivableModificationSubsequentDefaultNumberofContracts" xlink:label="loc_fcf_FinancingReceivableModificationSubsequentDefaultNumberofContracts_EBB99DC2715CBED4EC7BDB971180F3F7" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CurrentFederalTaxExpenseBenefit_9273FDB2B9C65260ED2AB9842B40EBAC_terseLabel_en-US" xlink:label="lab_us-gaap_CurrentFederalTaxExpenseBenefit_9273FDB2B9C65260ED2AB9842B40EBAC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal</link:label>
    <link:label id="lab_us-gaap_CurrentFederalTaxExpenseBenefit_9273FDB2B9C65260ED2AB9842B40EBAC_label_en-US" xlink:label="lab_us-gaap_CurrentFederalTaxExpenseBenefit_9273FDB2B9C65260ED2AB9842B40EBAC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Federal Tax Expense (Benefit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_9273FDB2B9C65260ED2AB9842B40EBAC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_C596103C4CA2802C4542B9842B40172D_terseLabel_en-US" xlink:label="lab_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_C596103C4CA2802C4542B9842B40172D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">State</link:label>
    <link:label id="lab_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_C596103C4CA2802C4542B9842B40172D_label_en-US" xlink:label="lab_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_C596103C4CA2802C4542B9842B40172D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current State and Local Tax Expense (Benefit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_C596103C4CA2802C4542B9842B40172D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_C596103C4CA2802C4542B9842B40172D" xlink:to="lab_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_C596103C4CA2802C4542B9842B40172D" xlink:type="arc" />
    <link:label id="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_45ED4C348CAF8653E0A3B9842B40736F_totalLabel_en-US" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_45ED4C348CAF8653E0A3B9842B40736F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current tax provision</link:label>
    <link:label id="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_45ED4C348CAF8653E0A3B9842B40736F_label_en-US" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_45ED4C348CAF8653E0A3B9842B40736F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_45ED4C348CAF8653E0A3B9842B40736F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_45ED4C348CAF8653E0A3B9842B40736F" xlink:to="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_45ED4C348CAF8653E0A3B9842B40736F" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_51CF0E2B0F5235FFD931B9842B400849_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_51CF0E2B0F5235FFD931B9842B400849" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax provision (benefit)</link:label>
    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_51CF0E2B0F5235FFD931B9842B400849_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_51CF0E2B0F5235FFD931B9842B400849" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_51CF0E2B0F5235FFD931B9842B400849" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_51CF0E2B0F5235FFD931B9842B400849" xlink:to="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_51CF0E2B0F5235FFD931B9842B400849" xlink:type="arc" />
    <link:label id="lab_fcf_CashPaidForInterestAndIncomeTaxesAbstract_812708E65EFF4ED7C49CB9842B5FC667_terseLabel_en-US" xlink:label="lab_fcf_CashPaidForInterestAndIncomeTaxesAbstract_812708E65EFF4ED7C49CB9842B5FC667" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash paid during the year for:</link:label>
    <link:label id="lab_fcf_CashPaidForInterestAndIncomeTaxesAbstract_812708E65EFF4ED7C49CB9842B5FC667_label_en-US" xlink:label="lab_fcf_CashPaidForInterestAndIncomeTaxesAbstract_812708E65EFF4ED7C49CB9842B5FC667" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Paid For Interest And Income Taxes [Abstract]</link:label>
    <link:label id="lab_fcf_CashPaidForInterestAndIncomeTaxesAbstract_812708E65EFF4ED7C49CB9842B5FC667_documentation_en-US" xlink:label="lab_fcf_CashPaidForInterestAndIncomeTaxesAbstract_812708E65EFF4ED7C49CB9842B5FC667" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash paid for interest and income taxes during the period.</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_CashPaidForInterestAndIncomeTaxesAbstract" xlink:label="loc_fcf_CashPaidForInterestAndIncomeTaxesAbstract_812708E65EFF4ED7C49CB9842B5FC667" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InterestPaid_191E263500CE01495B4BB9842B5FDE67_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_191E263500CE01495B4BB9842B5FDE67" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_191E263500CE01495B4BB9842B5FDE67" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaid_191E263500CE01495B4BB9842B5FDE67" xlink:to="lab_us-gaap_InterestPaid_191E263500CE01495B4BB9842B5FDE67" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxesPaidNet_F577CD9065933F373625B9842B5F7DD8_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_F577CD9065933F373625B9842B5F7DD8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxesPaidNet_F577CD9065933F373625B9842B5F7DD8_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_F577CD9065933F373625B9842B5F7DD8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes Paid, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_F577CD9065933F373625B9842B5F7DD8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_74E922A883AC1A73EA96B9842B5F75E0_terseLabel_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_74E922A883AC1A73EA96B9842B5F75E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cash investing and financing activities:</link:label>
    <link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_74E922A883AC1A73EA96B9842B5F75E0_label_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_74E922A883AC1A73EA96B9842B5F75E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_74E922A883AC1A73EA96B9842B5F75E0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EmployeeStockOwnershipPlanESOPDebtStructureDirectLoanEmployerCashPaymentsUsedForDebtService_B9B40E321BB9F8BF38D7B9842B5FC2E9_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOwnershipPlanESOPDebtStructureDirectLoanEmployerCashPaymentsUsedForDebtService_B9B40E321BB9F8BF38D7B9842B5FC2E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ESOP loan reductions</link:label>
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    <link:label id="lab_fcf_TransferOfOtherRealEstateOwned_0220280D9F4B8C9013C8B9842B5FD412_terseLabel_en-US" xlink:label="lab_fcf_TransferOfOtherRealEstateOwned_0220280D9F4B8C9013C8B9842B5FD412" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Real Estate Owned and Settled Out of Period</link:label>
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    <link:label id="lab_us-gaap_TransferOfPortfolioLoansAndLeasesToHeldForSale1_F5441D71F2B188E2820EB9842B5F6E27_terseLabel_en-US" xlink:label="lab_us-gaap_TransferOfPortfolioLoansAndLeasesToHeldForSale1_F5441D71F2B188E2820EB9842B5F6E27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of loans transferred from held to maturity to available for sale</link:label>
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    <link:label id="lab_fcf_GrossIncreaseInMarketValueAdjustmentToSecuritiesAvailableForSale_39ADCBBB6D7C4AFA5037B9842B5F7F82_terseLabel_en-US" xlink:label="lab_fcf_GrossIncreaseInMarketValueAdjustmentToSecuritiesAvailableForSale_39ADCBBB6D7C4AFA5037B9842B5F7F82" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross (decrease) increase in market value adjustment to securities available for sale</link:label>
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    <link:label id="lab_fcf_Unsettledtreasurystockrepurchases_545F3A377F182EC38F8BB9842B5F59CF_terseLabel_en-US" xlink:label="lab_fcf_Unsettledtreasurystockrepurchases_545F3A377F182EC38F8BB9842B5F59CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unsettled treasury stock repurchases</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_BF285D128A9AD87828F1DB9711C1F1D7_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_BF285D128A9AD87828F1DB9711C1F1D7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Available-for-sale Securities [Table]</link:label>
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    <link:label id="lab_fcf_SingleIssuerTrustPreferredSecuritiesMember_26F3474589C55ACA02CFDB9711C25ACC_terseLabel_en-US" xlink:label="lab_fcf_SingleIssuerTrustPreferredSecuritiesMember_26F3474589C55ACA02CFDB9711C25ACC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Single issuer trust preferred securities [Member]</link:label>
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    <link:label id="lab_fcf_NonbankSubsidiariesMember_28281EB7F4CEBB51430ADB9711C273F2_terseLabel_en-US" xlink:label="lab_fcf_NonbankSubsidiariesMember_28281EB7F4CEBB51430ADB9711C273F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-bank subsidiaries [Member]</link:label>
    <link:label id="lab_fcf_NonbankSubsidiariesMember_28281EB7F4CEBB51430ADB9711C273F2_label_en-US" xlink:label="lab_fcf_NonbankSubsidiariesMember_28281EB7F4CEBB51430ADB9711C273F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonbank Subsidiaries [Member]</link:label>
    <link:label id="lab_fcf_NonbankSubsidiariesMember_28281EB7F4CEBB51430ADB9711C273F2_documentation_en-US" xlink:label="lab_fcf_NonbankSubsidiariesMember_28281EB7F4CEBB51430ADB9711C273F2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nonbank Subsidiaries [Member]</link:label>
    <link:loc xlink:href="fcf-20141231.xsd#fcf_NonbankSubsidiariesMember" xlink:label="loc_fcf_NonbankSubsidiariesMember_28281EB7F4CEBB51430ADB9711C273F2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_77C8F3E64C057229A3F6DB9711C2B9DE_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_77C8F3E64C057229A3F6DB9711C2B9DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Available-for-sale Securities [Line Items]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_77C8F3E64C057229A3F6DB9711C2B9DE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CertainLoansAndDebtSecuritiesAcquiredInTransferDescriptionOfHowPrepaymentsAreConsideredInDeterminationOfContractualCashFlowsAndCashFlowsExpectedToBeCollected_47CB9E189A62BBD0453DDB9711C2F05E_terseLabel_en-US" xlink:label="lab_us-gaap_CertainLoansAndDebtSecuritiesAcquiredInTransferDescriptionOfHowPrepaymentsAreConsideredInDeterminationOfContractualCashFlowsAndCashFlowsExpectedToBeCollected_47CB9E189A62BBD0453DDB9711C2F05E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity of contract</link:label>
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    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss_9D47481DD0053613B982DB9711C2E0A3_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss_9D47481DD0053613B982DB9711C2E0A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross Unrealized Losses</link:label>
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    <link:label id="lab_us-gaap_InterestIncomeExpenseNet_7CA1DCB65EDA4381FDEADB95C3C9E7EC_totalLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNet_7CA1DCB65EDA4381FDEADB95C3C9E7EC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net Interest Income</link:label>
    <link:label id="lab_us-gaap_InterestIncomeExpenseNet_7CA1DCB65EDA4381FDEADB95C3C9E7EC_label_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNet_7CA1DCB65EDA4381FDEADB95C3C9E7EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income (Expense), Net</link:label>
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    <link:label id="lab_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_ABF926939F03E253E7C8DB95C3C9D61E_totalLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_ABF926939F03E253E7C8DB95C3C9D61E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net Interest Income after Provision for Credit Losses</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" xlink:label="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_ABF926939F03E253E7C8DB95C3C9D61E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NoninterestIncomeAbstract_C0D1B346FCEFE441BDB0DB95C3CA1656_terseLabel_en-US" xlink:label="lab_us-gaap_NoninterestIncomeAbstract_C0D1B346FCEFE441BDB0DB95C3CA1656" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Noninterest Income</link:label>
    <link:label id="lab_us-gaap_NoninterestIncomeAbstract_C0D1B346FCEFE441BDB0DB95C3CA1656_label_en-US" xlink:label="lab_us-gaap_NoninterestIncomeAbstract_C0D1B346FCEFE441BDB0DB95C3CA1656" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noninterest Income [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoninterestIncomeAbstract" xlink:label="loc_us-gaap_NoninterestIncomeAbstract_C0D1B346FCEFE441BDB0DB95C3CA1656" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FeesAndCommissionsFiduciaryAndTrustActivities_88C2C564C83DA3ABEA34DB95C3CA507C_terseLabel_en-US" xlink:label="lab_us-gaap_FeesAndCommissionsFiduciaryAndTrustActivities_88C2C564C83DA3ABEA34DB95C3CA507C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trust income</link:label>
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    <link:label id="lab_us-gaap_FeesAndCommissionsDepositorAccounts_F322A9085EE5443C85DADB95C3CA382C_terseLabel_en-US" xlink:label="lab_us-gaap_FeesAndCommissionsDepositorAccounts_F322A9085EE5443C85DADB95C3CA382C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Service charges on deposit accounts</link:label>
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    <link:label id="lab_us-gaap_InsuranceCommissionsAndFees_080D3EB8AFA72C8CB605DB95C3CAB22B_terseLabel_en-US" xlink:label="lab_us-gaap_InsuranceCommissionsAndFees_080D3EB8AFA72C8CB605DB95C3CAB22B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance and retail brokerage commissions</link:label>
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    <link:label id="lab_us-gaap_BankOwnedLifeInsuranceIncome_672AE2125A291A76D262DB965FB25467_terseLabel_en-US" xlink:label="lab_us-gaap_BankOwnedLifeInsuranceIncome_672AE2125A291A76D262DB965FB25467" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank Owned Life Insurance Income</link:label>
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    <link:label id="lab_fcf_NonInterestIncomeInterchange_DC3D1FEEE1E94A1E0530DB95C3CF6CDC_terseLabel_en-US" xlink:label="lab_fcf_NonInterestIncomeInterchange_DC3D1FEEE1E94A1E0530DB95C3CF6CDC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Card related interchange income</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_39C26ECF81C6980C185FB9842B4FB0A9_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_39C26ECF81C6980C185FB9842B4FB0A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_39C26ECF81C6980C185FB9842B4FB0A9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_35A39B164AA161CC4C98B9842B4F4C7F_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_35A39B164AA161CC4C98B9842B4F4C7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_35A39B164AA161CC4C98B9842B4F4C7F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_667E8E83DF1A8BBBE09AB9842B4FFCA7_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_667E8E83DF1A8BBBE09AB9842B4FFCA7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_667E8E83DF1A8BBBE09AB9842B4FFCA7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_667E8E83DF1A8BBBE09AB9842B4FFCA7" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_667E8E83DF1A8BBBE09AB9842B4FFCA7" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_3D9BE3D291F12B968513B9842B4F9D6A_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_3D9BE3D291F12B968513B9842B4F9D6A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_3D9BE3D291F12B968513B9842B4F9D6A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_3D9BE3D291F12B968513B9842B4F9D6A" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_3D9BE3D291F12B968513B9842B4F9D6A" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_FA656FFE1E628DCA0038B9842B4F8AD1_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_FA656FFE1E628DCA0038B9842B4F8AD1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_FA656FFE1E628DCA0038B9842B4F8AD1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_FA656FFE1E628DCA0038B9842B4F8AD1" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_FA656FFE1E628DCA0038B9842B4F8AD1" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_76ACC63EF28BBAF10BFCB9842B4FB356_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_76ACC63EF28BBAF10BFCB9842B4FB356" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_76ACC63EF28BBAF10BFCB9842B4FB356_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_76ACC63EF28BBAF10BFCB9842B4FB356" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payments, Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_76ACC63EF28BBAF10BFCB9842B4FB356" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_A277F08DB61550FC367EB9842B4F0E2C_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_A277F08DB61550FC367EB9842B4F0E2C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019 - 2023</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_A277F08DB61550FC367EB9842B4F0E2C" xlink:type="locator" />
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    <link:label id="lab_fcf_AverageReserveBalancesWithFederalReserveBank_CFAAC7598523D33512C3B9842CD543E3_terseLabel_en-US" xlink:label="lab_fcf_AverageReserveBalancesWithFederalReserveBank_CFAAC7598523D33512C3B9842CD543E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash or balances held with the Federal Reserve Bank</link:label>
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