<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva, formerly WebFilings-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.peoplesbancorp.com/role/Acquisitions" xlink:href="pebo-20140630.xsd#Acquisitions" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/AcquisitionsGoodwillDetails" xlink:href="pebo-20140630.xsd#AcquisitionsGoodwillDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/AcquisitionsIntangiblesDetails" xlink:href="pebo-20140630.xsd#AcquisitionsIntangiblesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/AcquisitionsNarrativeDetails" xlink:href="pebo-20140630.xsd#AcquisitionsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/AcquisitionsScheduleOfGoodwillAndIntangiblesTables" xlink:href="pebo-20140630.xsd#AcquisitionsScheduleOfGoodwillAndIntangiblesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/BankOwnedLifeInsuranceDetails" xlink:href="pebo-20140630.xsd#BankOwnedLifeInsuranceDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/BankOwnedLifeInsuranceNotes" xlink:href="pebo-20140630.xsd#BankOwnedLifeInsuranceNotes" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/BankOwnedLifeInsuranceTables" xlink:href="pebo-20140630.xsd#BankOwnedLifeInsuranceTables" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/ConsolidatedBalanceSheets" xlink:href="pebo-20140630.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/ConsolidatedBalanceSheetsParentheticals" xlink:href="pebo-20140630.xsd#ConsolidatedBalanceSheetsParentheticals" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/ConsolidatedStatementOfShareholdersEquity" xlink:href="pebo-20140630.xsd#ConsolidatedStatementOfShareholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="pebo-20140630.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:href="pebo-20140630.xsd#ConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/ConsolidatedStatementsOfIncome" xlink:href="pebo-20140630.xsd#ConsolidatedStatementsOfIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/DocumentAndEntityInformation" xlink:href="pebo-20140630.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/EarningsPerCommonShare" xlink:href="pebo-20140630.xsd#EarningsPerCommonShare" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/EarningsPerCommonShareCalculationsOfBasicAndDilutedEarningsPerCommonShareDetails" xlink:href="pebo-20140630.xsd#EarningsPerCommonShareCalculationsOfBasicAndDilutedEarningsPerCommonShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/EarningsPerCommonShareTables" xlink:href="pebo-20140630.xsd#EarningsPerCommonShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/EmployeeBenefitPlans" xlink:href="pebo-20140630.xsd#EmployeeBenefitPlans" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/EmployeeBenefitPlansDetails" xlink:href="pebo-20140630.xsd#EmployeeBenefitPlansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/EmployeeBenefitPlansDetailsCalc2" xlink:href="pebo-20140630.xsd#EmployeeBenefitPlansDetailsCalc2" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/EmployeeBenefitPlansTables" xlink:href="pebo-20140630.xsd#EmployeeBenefitPlansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/FairValueOfFinancialInstruments" xlink:href="pebo-20140630.xsd#FairValueOfFinancialInstruments" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/FairValueOfFinancialInstrumentsAssetsMeasuredAtFairValueNonrecurringDetails" xlink:href="pebo-20140630.xsd#FairValueOfFinancialInstrumentsAssetsMeasuredAtFairValueNonrecurringDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/FairValueOfFinancialInstrumentsAssetsMeasuredAtFairValueRecurringDetails" xlink:href="pebo-20140630.xsd#FairValueOfFinancialInstrumentsAssetsMeasuredAtFairValueRecurringDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/FairValueOfFinancialInstrumentsFairValuesOfFinancialAssetsAndLiabilitiesOnBalanceSheetsDetails" xlink:href="pebo-20140630.xsd#FairValueOfFinancialInstrumentsFairValuesOfFinancialAssetsAndLiabilitiesOnBalanceSheetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/FairValueOfFinancialInstrumentsTables" xlink:href="pebo-20140630.xsd#FairValueOfFinancialInstrumentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecurities" xlink:href="pebo-20140630.xsd#InvestmentSecurities" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecuritiesAvailableForSaleSecuritiesByMaturitiesDetails" xlink:href="pebo-20140630.xsd#InvestmentSecuritiesAvailableForSaleSecuritiesByMaturitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecuritiesAvailableForSaleSecuritiesByMaturitiesDetailsCalc2" xlink:href="pebo-20140630.xsd#InvestmentSecuritiesAvailableForSaleSecuritiesByMaturitiesDetailsCalc2" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecuritiesAvailableForSaleSecuritiesDetails" xlink:href="pebo-20140630.xsd#InvestmentSecuritiesAvailableForSaleSecuritiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecuritiesAvailableForSaleSecuritiesGrossRealizedGainsAndLossesDetails" xlink:href="pebo-20140630.xsd#InvestmentSecuritiesAvailableForSaleSecuritiesGrossRealizedGainsAndLossesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecuritiesAvailableForSaleSecuritiesWithUnrealizedLossDetails" xlink:href="pebo-20140630.xsd#InvestmentSecuritiesAvailableForSaleSecuritiesWithUnrealizedLossDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecuritiesFullyTaxEquivalentBasisDetails" xlink:href="pebo-20140630.xsd#InvestmentSecuritiesFullyTaxEquivalentBasisDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecuritiesHeldToMaturitySecuritiesByMaturitiesDetails" xlink:href="pebo-20140630.xsd#InvestmentSecuritiesHeldToMaturitySecuritiesByMaturitiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecuritiesHeldToMaturitySecuritiesDetails" xlink:href="pebo-20140630.xsd#InvestmentSecuritiesHeldToMaturitySecuritiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecuritiesHeldToMaturitySecuritiesGrossRealizedGainsAndLossesDetails" xlink:href="pebo-20140630.xsd#InvestmentSecuritiesHeldToMaturitySecuritiesGrossRealizedGainsAndLossesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecuritiesHeldToMaturitySecuritiesWithUnrealizedLossDetails" xlink:href="pebo-20140630.xsd#InvestmentSecuritiesHeldToMaturitySecuritiesWithUnrealizedLossDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecuritiesPledgedSecuritiesDetails" xlink:href="pebo-20140630.xsd#InvestmentSecuritiesPledgedSecuritiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/InvestmentSecuritiesTables" xlink:href="pebo-20140630.xsd#InvestmentSecuritiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/Loans" xlink:href="pebo-20140630.xsd#Loans" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/LoansAccretableYieldRollforwardDetails" xlink:href="pebo-20140630.xsd#LoansAccretableYieldRollforwardDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/LoansAgingOfRecordedInvestmentInPastDueLoansAndLeasesDetails" xlink:href="pebo-20140630.xsd#LoansAgingOfRecordedInvestmentInPastDueLoansAndLeasesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/LoansLoanBalancesByClassificationDetails" xlink:href="pebo-20140630.xsd#LoansLoanBalancesByClassificationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/LoansLoansAcquiredWithDeteriorationOfCreditQualityDetails" xlink:href="pebo-20140630.xsd#LoansLoansAcquiredWithDeteriorationOfCreditQualityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/LoansLoansByRiskCategoryDetails" xlink:href="pebo-20140630.xsd#LoansLoansByRiskCategoryDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/LoansNarrativeDetails" xlink:href="pebo-20140630.xsd#LoansNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/LoansNonaccrualAndPastDueLoansDetails" xlink:href="pebo-20140630.xsd#LoansNonaccrualAndPastDueLoansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/LoansScheduleOfImpairedLoansDetails" xlink:href="pebo-20140630.xsd#LoansScheduleOfImpairedLoansDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/LoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetails" xlink:href="pebo-20140630.xsd#LoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/LoansTables" xlink:href="pebo-20140630.xsd#LoansTables" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/LoansTroubledDebtRestructuringsDetails" xlink:href="pebo-20140630.xsd#LoansTroubledDebtRestructuringsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/StockBasedCompensation" xlink:href="pebo-20140630.xsd#StockBasedCompensation" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/StockBasedCompensationNarrativeDetails" xlink:href="pebo-20140630.xsd#StockBasedCompensationNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/StockBasedCompensationOptionsOutstandingExercisableDetails" xlink:href="pebo-20140630.xsd#StockBasedCompensationOptionsOutstandingExercisableDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/StockBasedCompensationRestrictedSharesDetails" xlink:href="pebo-20140630.xsd#StockBasedCompensationRestrictedSharesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/StockBasedCompensationStockAppreciationRightsDetails" xlink:href="pebo-20140630.xsd#StockBasedCompensationStockAppreciationRightsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/StockBasedCompensationStockBasedCompensationAndRelatedTaxBenefitDetails" xlink:href="pebo-20140630.xsd#StockBasedCompensationStockBasedCompensationAndRelatedTaxBenefitDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/StockBasedCompensationTables" xlink:href="pebo-20140630.xsd#StockBasedCompensationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/StockholdersEquity" xlink:href="pebo-20140630.xsd#StockholdersEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/StockholdersEquityAccumulatedOtherComprehensiveLossIncomeDetails" xlink:href="pebo-20140630.xsd#StockholdersEquityAccumulatedOtherComprehensiveLossIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/StockholdersEquityNarrativeDetails" xlink:href="pebo-20140630.xsd#StockholdersEquityNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/StockholdersEquityStockRollforwardDetails" xlink:href="pebo-20140630.xsd#StockholdersEquityStockRollforwardDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/StockholdersEquityTables" xlink:href="pebo-20140630.xsd#StockholdersEquityTables" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="pebo-20140630.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.peoplesbancorp.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="pebo-20140630.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/Acquisitions" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/AcquisitionsGoodwillDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/AcquisitionsIntangiblesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/AcquisitionsNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/AcquisitionsScheduleOfGoodwillAndIntangiblesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/BankOwnedLifeInsuranceDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/BankOwnedLifeInsuranceNotes" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/BankOwnedLifeInsuranceTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_18320242-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_18320242-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndDueFromBanks" xlink:label="loc_us-gaap_CashAndDueFromBanks_17fdb42e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_18320242-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_CashAndDueFromBanks_17fdb42e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestBearingDepositsInBanks" xlink:label="loc_us-gaap_InterestBearingDepositsInBanks_68df1a5e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_18320242-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InterestBearingDepositsInBanks_68df1a5e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MarketableSecurities" xlink:label="loc_us-gaap_MarketableSecurities_78bdb110-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_MarketableSecurities_78bdb110-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_0dd129a4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_MarketableSecurities_78bdb110-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecurities_0dd129a4-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:label="loc_us-gaap_HeldToMaturitySecurities_5f25f582-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_MarketableSecurities_78bdb110-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_HeldToMaturitySecurities_5f25f582-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostMethodInvestments" xlink:label="loc_us-gaap_CostMethodInvestments_230862ba-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_MarketableSecurities_78bdb110-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_CostMethodInvestments_230862ba-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:label="loc_us-gaap_LoansAndLeasesReceivableNetReportedAmount_7216c9a0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_LoansAndLeasesReceivableNetReportedAmount_7216c9a0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" xlink:label="loc_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_71f18028-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LoansAndLeasesReceivableNetReportedAmount_7216c9a0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_71f18028-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LoansAndLeasesReceivableAllowance" xlink:label="loc_us-gaap_LoansAndLeasesReceivableAllowance_71e6aa18-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LoansAndLeasesReceivableNetReportedAmount_7216c9a0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_LoansAndLeasesReceivableAllowance_71e6aa18-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LoansHeldForSaleOther" xlink:label="loc_us-gaap_LoansHeldForSaleOther_722da580-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_LoansHeldForSaleOther_722da580-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_940b342e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_940b342e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_5c519906-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_Goodwill_5c519906-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_6701f814-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_6701f814-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets_839ac38e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0ce13e30-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherAssets_839ac38e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_6e1ed1d0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_6e59ec02-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_6e1ed1d0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_Liabilities_6e59ec02-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Deposits" xlink:label="loc_us-gaap_Deposits_32611888-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_6e59ec02-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_Deposits_32611888-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NoninterestBearingDepositLiabilities" xlink:label="loc_us-gaap_NoninterestBearingDepositLiabilities_7d63571a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Deposits_32611888-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NoninterestBearingDepositLiabilities_7d63571a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestBearingDepositLiabilities" xlink:label="loc_us-gaap_InterestBearingDepositLiabilities_683bffc2-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Deposits_32611888-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InterestBearingDepositLiabilities_683bffc2-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="loc_us-gaap_ShortTermBorrowings_ac47dff6-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_6e59ec02-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ShortTermBorrowings_ac47dff6-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_754fc3b0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_6e59ec02-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_LongTermDebt_754fc3b0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherLiabilities" xlink:label="loc_us-gaap_OtherLiabilities_8550ad24-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_6e59ec02-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherLiabilities_8550ad24-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_adc32df4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_6e1ed1d0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_StockholdersEquity_adc32df4-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_8fab7cfe-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_adc32df4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PreferredStockValue_8fab7cfe-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_1e2a510e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_adc32df4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_CommonStockValue_1e2a510e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a33a731a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_adc32df4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a33a731a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_062fd1c8-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_adc32df4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_062fd1c8-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_b2297f42-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_adc32df4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_TreasuryStockValue_b2297f42-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/ConsolidatedBalanceSheetsParentheticals" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/ConsolidatedStatementOfShareholdersEquity" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_181e990a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_7cb5e5da-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_181e990a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_7cb5e5da-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_181e990a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_8acf055c-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_8acf055c-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_932ceed0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_932ceed0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_92e3234a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_92e3234a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireHeldToMaturitySecurities" xlink:label="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_8b61c090-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_8b61c090-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities_92e99824-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities_92e99824-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInLoansHeldForSale" xlink:label="loc_us-gaap_IncreaseDecreaseInLoansHeldForSale_63581c7a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncreaseDecreaseInLoansHeldForSale_63581c7a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_8b21b464-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_8b21b464-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleOfOtherRealEstate" xlink:label="loc_us-gaap_ProceedsFromSaleOfOtherRealEstate_933c4e3e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromSaleOfOtherRealEstate_933c4e3e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForProceedsFromLifeInsurancePolicies" xlink:label="loc_us-gaap_PaymentsForProceedsFromLifeInsurancePolicies_892ba03e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsForProceedsFromLifeInsurancePolicies_892ba03e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_8acc97f4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="10" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_8acc97f4-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForProceedsFromLimitedPartnership" xlink:label="loc_us-gaap_PaymentsForProceedsFromLimitedPartnership_894be0b0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="11" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_7c98dde6-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsForProceedsFromLimitedPartnership_894be0b0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ca2b500-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_181e990a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ca2b500-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInDemandDeposits" xlink:label="loc_us-gaap_IncreaseDecreaseInDemandDeposits_6307ac54-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ca2b500-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncreaseDecreaseInDemandDeposits_6307ac54-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInDeposits" xlink:label="loc_us-gaap_IncreaseDecreaseInDeposits_62c52136-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ca2b500-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_IncreaseDecreaseInDeposits_62c52136-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_92a6a5dc-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ca2b500-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_92a6a5dc-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_a118d45a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ca2b500-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_a118d45a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_8ad803f0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ca2b500-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_8ad803f0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_8932a1c2-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="6" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ca2b500-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_8932a1c2-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_92ead8b0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ca2b500-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_92ead8b0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_43eda0b2-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_7ca2b500-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_43eda0b2-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_20119e50-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_7cc2c354-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_20119e50-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NetIncomeLoss_7cc2c354-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_81a3933a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_20119e50-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_81a3933a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_8227fa9e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_81a3933a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_8227fa9e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_84d026b8-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_8227fa9e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax_84d026b8-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_84c3ed12-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_8227fa9e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_84c3ed12-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax_8245ef36-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_8227fa9e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax_8245ef36-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax_823cf930-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_8227fa9e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax_823cf930-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_827d625e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_81a3933a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_827d625e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_829f7024-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_827d625e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_829f7024-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax_83d854e2-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_827d625e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax_83d854e2-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax_822ae498-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_827d625e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax_822ae498-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax_818b9d8e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_827d625e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax_818b9d8e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax_822fba5e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_827d625e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationBeforeTax_822fba5e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax_84c10b2e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_827d625e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax_84c10b2e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/ConsolidatedStatementsOfIncome" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NoninterestExpense" xlink:label="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="loc_us-gaap_LaborAndRelatedExpense_6b85980a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_LaborAndRelatedExpense_6b85980a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OccupancyNet" xlink:label="loc_us-gaap_OccupancyNet_7f53f516-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OccupancyNet_7f53f516-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProfessionalFees" xlink:label="loc_us-gaap_ProfessionalFees_93e137e6-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProfessionalFees_93e137e6-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_ElectronicBankingExpense" xlink:label="loc_pebo_ElectronicBankingExpense_d7d826b7-87ce-64fa-3c45-bba33edb46de" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_ElectronicBankingExpense_d7d826b7-87ce-64fa-3c45-bba33edb46de" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MarketingAndAdvertisingExpense" xlink:label="loc_us-gaap_MarketingAndAdvertisingExpense_78e1a62e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_MarketingAndAdvertisingExpense_78e1a62e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InformationTechnologyAndDataProcessing" xlink:label="loc_us-gaap_InformationTechnologyAndDataProcessing_66af6a2c-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InformationTechnologyAndDataProcessing_66af6a2c-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TaxesOther" xlink:label="loc_us-gaap_TaxesOther_b038b6bc-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_TaxesOther_b038b6bc-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Communication" xlink:label="loc_us-gaap_Communication_1ed7636c-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_Communication_1ed7636c-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeclosedRealEstateExpense" xlink:label="loc_us-gaap_ForeclosedRealEstateExpense_56eab56a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ForeclosedRealEstateExpense_56eab56a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FederalDepositInsuranceCorporationPremiumExpense" xlink:label="loc_us-gaap_FederalDepositInsuranceCorporationPremiumExpense_4ce1fd30-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_FederalDepositInsuranceCorporationPremiumExpense_4ce1fd30-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherDepreciationAndAmortization" xlink:label="loc_us-gaap_OtherDepreciationAndAmortization_8513505a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherDepreciationAndAmortization_8513505a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherNoninterestExpense" xlink:label="loc_us-gaap_OtherNoninterestExpense_851ec476-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NoninterestExpense_7d64a9bc-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherNoninterestExpense_851ec476-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherIncome" xlink:label="loc_us-gaap_OtherIncome_84e6f4c4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="pebo-20140630.xsd#pebo_DepositAccountServiceCharges" xlink:label="loc_pebo_DepositAccountServiceCharges_575349d7-06a8-cd5c-529a-bba33d9300d0" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherIncome_84e6f4c4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_DepositAccountServiceCharges_575349d7-06a8-cd5c-529a-bba33d9300d0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InsuranceCommissionsAndFees" xlink:label="loc_us-gaap_InsuranceCommissionsAndFees_66ce3254-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherIncome_84e6f4c4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InsuranceCommissionsAndFees_66ce3254-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_6a12f3d2-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherIncome_84e6f4c4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InvestmentIncomeInterest_6a12f3d2-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_ElectronicBankingIncome" xlink:label="loc_pebo_ElectronicBankingIncome_5019ea13-693d-2c6c-27cd-bba33c2cd6ea" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherIncome_84e6f4c4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_ElectronicBankingIncome_5019ea13-693d-2c6c-27cd-bba33c2cd6ea" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FeesAndCommissionsMortgageBanking" xlink:label="loc_us-gaap_FeesAndCommissionsMortgageBanking_4fbeead6-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherIncome_84e6f4c4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_FeesAndCommissionsMortgageBanking_4fbeead6-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GainLossOnSaleOfSecuritiesNet" xlink:label="loc_us-gaap_GainLossOnSaleOfSecuritiesNet_5ab84e32-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherIncome_84e6f4c4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_GainLossOnSaleOfSecuritiesNet_5ab84e32-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GainsLossesOnSalesOfAssets" xlink:label="loc_us-gaap_GainsLossesOnSalesOfAssets_5aeea6bc-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherIncome_84e6f4c4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_GainsLossesOnSalesOfAssets_5aeea6bc-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NoninterestIncome" xlink:label="loc_us-gaap_NoninterestIncome_7d65ea5c-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherIncome_84e6f4c4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NoninterestIncome_7d65ea5c-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestAndDividendIncomeOperating" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperating_67929770-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestAndFeeIncomeLoansAndLeases" xlink:label="loc_us-gaap_InterestAndFeeIncomeLoansAndLeases_67791b4c-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_67929770-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InterestAndFeeIncomeLoansAndLeases_67791b4c-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestIncomeSecuritiesTaxable" xlink:label="loc_us-gaap_InterestIncomeSecuritiesTaxable_6835a8ca-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_67929770-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InterestIncomeSecuritiesTaxable_6835a8ca-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestIncomeSecuritiesTaxExempt" xlink:label="loc_us-gaap_InterestIncomeSecuritiesTaxExempt_69042470-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_67929770-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InterestIncomeSecuritiesTaxExempt_69042470-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherInterestAndDividendIncome" xlink:label="loc_us-gaap_OtherInterestAndDividendIncome_850552ac-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestAndDividendIncomeOperating_67929770-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_OtherInterestAndDividendIncome_850552ac-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" xlink:label="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_67fd8b48-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_67eab6b2-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_67fd8b48-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_67eab6b2-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProvisionForLoanLeaseAndOtherLosses" xlink:label="loc_us-gaap_ProvisionForLoanLeaseAndOtherLosses_94ac787a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_67fd8b48-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ProvisionForLoanLeaseAndOtherLosses_94ac787a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_678fa826-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpenseDeposits" xlink:label="loc_us-gaap_InterestExpenseDeposits_67d5790a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpense_678fa826-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InterestExpenseDeposits_67d5790a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpenseShortTermBorrowings" xlink:label="loc_us-gaap_InterestExpenseShortTermBorrowings_67bf6cd2-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpense_678fa826-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InterestExpenseShortTermBorrowings_67bf6cd2-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpenseLongTermDebtAndCapitalSecurities" xlink:label="loc_us-gaap_InterestExpenseLongTermDebtAndCapitalSecurities_67fc33ec-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpense_678fa826-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_InterestExpenseLongTermDebtAndCapitalSecurities_67fc33ec-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/EarningsPerCommonShare" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/EarningsPerCommonShareCalculationsOfBasicAndDilutedEarningsPerCommonShareDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UndistributedEarningsDiluted" xlink:label="loc_us-gaap_UndistributedEarningsDiluted_b2d300ee-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DistributedEarnings" xlink:label="loc_us-gaap_DistributedEarnings_24797256-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UndistributedEarningsDiluted_b2d300ee-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_DistributedEarnings_24797256-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_7bbc6190-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_UndistributedEarningsDiluted_b2d300ee-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_7bbc6190-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_b93d27d4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_b91dcd62-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_b93d27d4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_b91dcd62-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_b8c2d1f0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_b93d27d4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_b8c2d1f0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/EarningsPerCommonShareTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/EmployeeBenefitPlans" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/EmployeeBenefitPlansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_2f01b4a4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_2ef72430-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_2f01b4a4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_2ef72430-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss" xlink:label="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss_2d4b607e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_2f01b4a4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss_2d4b607e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_2f0f96fa-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_2f01b4a4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_2f0f96fa-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_2c3c3172-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_2f01b4a4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_2c3c3172-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/EmployeeBenefitPlansDetailsCalc2" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/EmployeeBenefitPlansTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/FairValueOfFinancialInstruments" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/FairValueOfFinancialInstrumentsAssetsMeasuredAtFairValueNonrecurringDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/FairValueOfFinancialInstrumentsAssetsMeasuredAtFairValueRecurringDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/FairValueOfFinancialInstrumentsFairValuesOfFinancialAssetsAndLiabilitiesOnBalanceSheetsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/FairValueOfFinancialInstrumentsTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecurities" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecuritiesAvailableForSaleSecuritiesByMaturitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_0dd57554-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_0dc7ccec-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_0dd57554-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_0dc7ccec-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_0da2cf32-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_0dd57554-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_0da2cf32-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_0dbc4084-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_0dd57554-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_0dbc4084-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue_0e02d274-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_0dd57554-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue_0e02d274-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleSecuritiesOtherMaturitiesAmortizedCostBasis" xlink:label="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesAmortizedCostBasis_83f868a6-b0ce-14c2-3465-bba35108df61" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_0dcecd26-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesAmortizedCostBasis_83f868a6-b0ce-14c2-3465-bba35108df61" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_0dcecd26-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis_0dc127e8-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesAmortizedCostBasis_83f868a6-b0ce-14c2-3465-bba35108df61" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis_0dc127e8-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis_0e0f6372-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesAmortizedCostBasis_83f868a6-b0ce-14c2-3465-bba35108df61" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis_0e0f6372-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleSecuritiesOtherMaturitiesRollingAfterYearTenAmortizedCostBasis" xlink:label="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesRollingAfterYearTenAmortizedCostBasis_a35c8175-a4cd-e30c-9cbb-bba35395d86a" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesAmortizedCostBasis_83f868a6-b0ce-14c2-3465-bba35108df61" xlink:to="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesRollingAfterYearTenAmortizedCostBasis_a35c8175-a4cd-e30c-9cbb-bba35395d86a" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost_0dd63638-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost_0dd63638-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_0dcecd26-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost_0dd63638-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis_0dc127e8-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost_0dd63638-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis_0e0f6372-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis_0de5eccc-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost_0dd63638-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis_0de5eccc-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleSecuritiesMaturitiesRollingAfterYearTenFairValue" xlink:label="loc_pebo_AvailableForSaleSecuritiesMaturitiesRollingAfterYearTenFairValue_43beb287-4313-1fcf-c9a8-bba3511b9d41" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_AvailableForSaleSecuritiesMaturitiesRollingAfterYearTenFairValue_43beb287-4313-1fcf-c9a8-bba3511b9d41" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue_0e02d274-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleSecuritiesOtherMaturitiesRollingAfterYearTenFairValue" xlink:label="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesRollingAfterYearTenFairValue_2a2e5acb-4916-15bc-d595-bba3537d94e4" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_AvailableForSaleSecuritiesMaturitiesRollingAfterYearTenFairValue_43beb287-4313-1fcf-c9a8-bba3511b9d41" xlink:to="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesRollingAfterYearTenFairValue_2a2e5acb-4916-15bc-d595-bba3537d94e4" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleSecuritiesOtherMaturitiesFairValue" xlink:label="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesFairValue_4e69f332-f023-cbd9-8b4b-bba35119aef4" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesFairValue_4e69f332-f023-cbd9-8b4b-bba35119aef4" xlink:to="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesRollingAfterYearTenFairValue_2a2e5acb-4916-15bc-d595-bba3537d94e4" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleSecuritiesMaturitiesRollingAfterYearTenAmortizedCostBasis" xlink:label="loc_pebo_AvailableForSaleSecuritiesMaturitiesRollingAfterYearTenAmortizedCostBasis_aad581f8-7a38-98c4-6e33-bba3475338e1" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_AvailableForSaleSecuritiesMaturitiesRollingAfterYearTenAmortizedCostBasis_aad581f8-7a38-98c4-6e33-bba3475338e1" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis_0de5eccc-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_AvailableForSaleSecuritiesMaturitiesRollingAfterYearTenAmortizedCostBasis_aad581f8-7a38-98c4-6e33-bba3475338e1" xlink:to="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesRollingAfterYearTenAmortizedCostBasis_a35c8175-a4cd-e30c-9cbb-bba35395d86a" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecuritiesAvailableForSaleSecuritiesByMaturitiesDetailsCalc2" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_A465782AD211548C51E6683B02F5BE51_0dd129a4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_A465782AD211548C51E6683B02F5BE51_0dd57554-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecurities_A465782AD211548C51E6683B02F5BE51_0dd129a4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_A465782AD211548C51E6683B02F5BE51_0dd57554-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleSecuritiesOtherMaturitiesFairValue" xlink:label="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesFairValue_A465782AD211548C51E6683B02F5BE51_4e69f332-f023-cbd9-8b4b-bba35119aef4" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecurities_A465782AD211548C51E6683B02F5BE51_0dd129a4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesFairValue_A465782AD211548C51E6683B02F5BE51_4e69f332-f023-cbd9-8b4b-bba35119aef4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_A465782AD211548C51E6683B02F5BE51_0e08560e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost_A465782AD211548C51E6683B02F5BE51_0dd63638-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_A465782AD211548C51E6683B02F5BE51_0e08560e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost_A465782AD211548C51E6683B02F5BE51_0dd63638-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleSecuritiesOtherMaturitiesAmortizedCostBasis" xlink:label="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesAmortizedCostBasis_A465782AD211548C51E6683B02F5BE51_83f868a6-b0ce-14c2-3465-bba35108df61" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_A465782AD211548C51E6683B02F5BE51_0e08560e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_AvailableForSaleSecuritiesOtherMaturitiesAmortizedCostBasis_A465782AD211548C51E6683B02F5BE51_83f868a6-b0ce-14c2-3465-bba35108df61" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecuritiesAvailableForSaleSecuritiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_0dd129a4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_0e08560e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecurities_0dd129a4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_0e08560e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleDebtSecuritiesGrossUnrealizedGainAccumulatedInInvestments" xlink:label="loc_pebo_AvailableForSaleDebtSecuritiesGrossUnrealizedGainAccumulatedInInvestments_a8c43034-1719-11e3-a68d-22000a9d039f" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecurities_0dd129a4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_AvailableForSaleDebtSecuritiesGrossUnrealizedGainAccumulatedInInvestments_a8c43034-1719-11e3-a68d-22000a9d039f" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleDebtSecuritiesGrossUnrealizedLossAccumulatedinInvestments" xlink:label="loc_pebo_AvailableForSaleDebtSecuritiesGrossUnrealizedLossAccumulatedinInvestments_c93541f4-171a-11e3-a68d-22000a9d039f" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableForSaleSecurities_0dd129a4-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_AvailableForSaleDebtSecuritiesGrossUnrealizedLossAccumulatedinInvestments_c93541f4-171a-11e3-a68d-22000a9d039f" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecuritiesAvailableForSaleSecuritiesGrossRealizedGainsAndLossesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_04e29e0e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_0e2923c0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_04e29e0e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_0e2923c0-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableforsaleSecuritiesGrossRealizedLossesExcludingOtherThanTemporaryImpairments" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesGrossRealizedLossesExcludingOtherThanTemporaryImpairments_04bdf0ea-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_04e29e0e-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AvailableforsaleSecuritiesGrossRealizedLossesExcludingOtherThanTemporaryImpairments_04bdf0ea-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecuritiesAvailableForSaleSecuritiesWithUnrealizedLossDetails" xlink:type="extended">
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments" xlink:label="loc_pebo_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments_42401cde-1718-11e3-a68d-22000a9d039f" xlink:type="locator" />
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInInvestments" xlink:label="loc_pebo_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInInvestments_3d532ed6-1719-11e3-a68d-22000a9d039f" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments_42401cde-1718-11e3-a68d-22000a9d039f" xlink:to="loc_pebo_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInInvestments_3d532ed6-1719-11e3-a68d-22000a9d039f" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInInvestments" xlink:label="loc_pebo_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInInvestments_b88c862a-1718-11e3-a68d-22000a9d039f" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInInvestments_42401cde-1718-11e3-a68d-22000a9d039f" xlink:to="loc_pebo_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInInvestments_b88c862a-1718-11e3-a68d-22000a9d039f" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecuritiesFullyTaxEquivalentBasisDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecuritiesHeldToMaturitySecuritiesByMaturitiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_5f469df0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue_5f2b91ae-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_5f469df0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue_5f2b91ae-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_5f259d30-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_5f469df0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue_5f259d30-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_5f254452-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_5f469df0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue_5f254452-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue_5f2ca56c-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_5f469df0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue_5f2ca56c-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment_5e800faa-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="pebo-20140630.xsd#pebo_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBeforeOtherThanTemporaryImpairment" xlink:label="loc_pebo_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBeforeOtherThanTemporaryImpairment_653d7837-5336-e0de-9158-bba33c2bcacc" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment_5e800faa-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBeforeOtherThanTemporaryImpairment_653d7837-5336-e0de-9158-bba33c2bcacc" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBeforeOtherThanTemporaryImpairment" xlink:label="loc_pebo_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBeforeOtherThanTemporaryImpairment_c3c185b2-c0df-017e-b59a-bba33d950c63" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment_5e800faa-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBeforeOtherThanTemporaryImpairment_c3c185b2-c0df-017e-b59a-bba33d950c63" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBeforeOtherThanTemporaryImpairment" xlink:label="loc_pebo_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBeforeOtherThanTemporaryImpairment_4465f49e-bdd2-ae34-6ffa-bba343aabed2" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment_5e800faa-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBeforeOtherThanTemporaryImpairment_4465f49e-bdd2-ae34-6ffa-bba343aabed2" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCostBeforeOtherThanTemporaryImpairment" xlink:label="loc_pebo_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCostBeforeOtherThanTemporaryImpairment_da1ce397-691f-abe7-58ad-bba35131e342" xlink:type="locator" />
    <calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment_5e800faa-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCostBeforeOtherThanTemporaryImpairment_da1ce397-691f-abe7-58ad-bba35131e342" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecuritiesHeldToMaturitySecuritiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue_5f469df0-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment_5e800faa-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_5f469df0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment_5e800faa-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain" xlink:label="loc_pebo_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_03dcdace-171b-11e3-a68d-22000a9d039f" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_5f469df0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_03dcdace-171b-11e3-a68d-22000a9d039f" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLosses" xlink:label="loc_pebo_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLosses_73b8102e-171c-11e3-a68d-22000a9d039f" xlink:type="locator" />
    <calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue_5f469df0-9656-11e2-88e7-12313d1a0274" xlink:to="loc_pebo_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLosses_73b8102e-171c-11e3-a68d-22000a9d039f" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecuritiesHeldToMaturitySecuritiesGrossRealizedGainsAndLossesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecuritiesHeldToMaturitySecuritiesWithUnrealizedLossDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_5e8c5a76-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_5e88e382-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_5e8c5a76-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_5e88e382-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_5e8a5456-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue_5e8c5a76-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_5e8a5456-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLosses" xlink:label="loc_pebo_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLosses_73b8102e-171c-11e3-a68d-22000a9d039f" xlink:type="locator" />
    <loc xlink:href="pebo-20140630.xsd#pebo_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss" xlink:label="loc_pebo_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_0dcf62a2-171d-11e3-a68d-22000a9d039f" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLosses_73b8102e-171c-11e3-a68d-22000a9d039f" xlink:to="loc_pebo_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_0dcf62a2-171d-11e3-a68d-22000a9d039f" xlink:type="arc" />
    <loc xlink:href="pebo-20140630.xsd#pebo_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss" xlink:label="loc_pebo_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_432ed86a-171d-11e3-a68d-22000a9d039f" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_pebo_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLosses_73b8102e-171c-11e3-a68d-22000a9d039f" xlink:to="loc_pebo_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_432ed86a-171d-11e3-a68d-22000a9d039f" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecuritiesPledgedSecuritiesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/InvestmentSecuritiesTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/Loans" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/LoansAccretableYieldRollforwardDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/LoansAgingOfRecordedInvestmentInPastDueLoansAndLeasesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" xlink:label="loc_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_71f18028-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDue_5485884a-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_71f18028-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDue_5485884a-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestment30To59DaysPastDue" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestment30To59DaysPastDue_544d88e6-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDue_5485884a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestment30To59DaysPastDue_544d88e6-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue_547af434-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDue_5485884a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestment60To89DaysPastDue_547af434-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue_547a1b2c-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDue_5485884a-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue_547a1b2c-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentCurrent_547eb646-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome_71f18028-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentCurrent_547eb646-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/LoansLoanBalancesByClassificationDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/LoansLoansAcquiredWithDeteriorationOfCreditQualityDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/LoansLoansByRiskCategoryDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/LoansNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/LoansNonaccrualAndPastDueLoansDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/LoansScheduleOfImpairedLoansDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ImpairedFinancingReceivableRecordedInvestment" xlink:label="loc_us-gaap_ImpairedFinancingReceivableRecordedInvestment_5fc64924-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment" xlink:label="loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment_5fb5a394-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ImpairedFinancingReceivableRecordedInvestment_5fc64924-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment_5fb5a394-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment" xlink:label="loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment_5fc7df78-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ImpairedFinancingReceivableRecordedInvestment_5fc64924-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment_5fc7df78-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/LoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLosses" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_5480a712-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_53c591d4-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_5480a712-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_53c591d4-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment_54a5ab5c-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_5480a712-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment_54a5ab5c-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/LoansTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/LoansTroubledDebtRestructuringsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/StockBasedCompensation" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/StockBasedCompensationNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/StockBasedCompensationOptionsOutstandingExercisableDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/StockBasedCompensationRestrictedSharesDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/StockBasedCompensationStockAppreciationRightsDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/StockBasedCompensationStockBasedCompensationAndRelatedTaxBenefitDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_0b9c2738-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_0b9f873e-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_0b9c2738-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_0b9f873e-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_4084b4ec-9656-11e2-88e7-12313d1a0274" xlink:type="locator" />
    <calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_0b9c2738-9656-11e2-88e7-12313d1a0274" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_4084b4ec-9656-11e2-88e7-12313d1a0274" xlink:type="arc" />
  </calculationLink>
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/StockBasedCompensationTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/StockholdersEquity" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/StockholdersEquityAccumulatedOtherComprehensiveLossIncomeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/StockholdersEquityStockRollforwardDetails" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/StockholdersEquityTables" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <calculationLink xlink:role="http://www.peoplesbancorp.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
</linkbase>


