<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.cabotog.com/role/AccumulatedOtherComprehensiveIncomeLoss" xlink:href="cog-20181231.xsd#AccumulatedOtherComprehensiveIncomeLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/AccumulatedOtherComprehensiveIncomeLossReclassificationsOutOfAociDetails" xlink:href="cog-20181231.xsd#AccumulatedOtherComprehensiveIncomeLossReclassificationsOutOfAociDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/AccumulatedOtherComprehensiveIncomeLossScheduleOfChangesInAociDetails" xlink:href="cog-20181231.xsd#AccumulatedOtherComprehensiveIncomeLossScheduleOfChangesInAociDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/AccumulatedOtherComprehensiveIncomeLossTables" xlink:href="cog-20181231.xsd#AccumulatedOtherComprehensiveIncomeLossTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/AdditionalBalanceSheetInformation" xlink:href="cog-20181231.xsd#AdditionalBalanceSheetInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/AdditionalBalanceSheetInformationBalanceSheetDetails" xlink:href="cog-20181231.xsd#AdditionalBalanceSheetInformationBalanceSheetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/AdditionalBalanceSheetInformationTables" xlink:href="cog-20181231.xsd#AdditionalBalanceSheetInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/AssetRetirementObligations" xlink:href="cog-20181231.xsd#AssetRetirementObligations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/AssetRetirementObligationsNarrativeDetails" xlink:href="cog-20181231.xsd#AssetRetirementObligationsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/AssetRetirementObligationsScheduleOfAssetRetirementObligationsDetails" xlink:href="cog-20181231.xsd#AssetRetirementObligationsScheduleOfAssetRetirementObligationsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/AssetRetirementObligationsTables" xlink:href="cog-20181231.xsd#AssetRetirementObligationsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/CapitalStock" xlink:href="cog-20181231.xsd#CapitalStock" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/CapitalStockNarrativeDetails" xlink:href="cog-20181231.xsd#CapitalStockNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/CommitmentsAndContingencies" xlink:href="cog-20181231.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/CommitmentsAndContingenciesFutureLeaseCommitmentDetails" xlink:href="cog-20181231.xsd#CommitmentsAndContingenciesFutureLeaseCommitmentDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/CommitmentsAndContingenciesFutureTransportationAndGatheringCommitmentsDetails" xlink:href="cog-20181231.xsd#CommitmentsAndContingenciesFutureTransportationAndGatheringCommitmentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/CommitmentsAndContingenciesNarrativeDetails" xlink:href="cog-20181231.xsd#CommitmentsAndContingenciesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/CommitmentsAndContingenciesTables" xlink:href="cog-20181231.xsd#CommitmentsAndContingenciesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/ConsolidatedBalanceSheet" xlink:href="cog-20181231.xsd#ConsolidatedBalanceSheet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/ConsolidatedBalanceSheetParenthetical" xlink:href="cog-20181231.xsd#ConsolidatedBalanceSheetParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/ConsolidatedStatementOfCashFlows" xlink:href="cog-20181231.xsd#ConsolidatedStatementOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/ConsolidatedStatementOfComprehensiveIncome" xlink:href="cog-20181231.xsd#ConsolidatedStatementOfComprehensiveIncome" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/ConsolidatedStatementOfComprehensiveIncomeParenthetical" xlink:href="cog-20181231.xsd#ConsolidatedStatementOfComprehensiveIncomeParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/ConsolidatedStatementOfOperations" xlink:href="cog-20181231.xsd#ConsolidatedStatementOfOperations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/ConsolidatedStatementOfStockholdersEquity" xlink:href="cog-20181231.xsd#ConsolidatedStatementOfStockholdersEquity" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/ConsolidatedStatementOfStockholdersEquityParenthetical" xlink:href="cog-20181231.xsd#ConsolidatedStatementOfStockholdersEquityParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DebtAndCreditAgreements" xlink:href="cog-20181231.xsd#DebtAndCreditAgreements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DebtAndCreditAgreementsNarrativeDetails" xlink:href="cog-20181231.xsd#DebtAndCreditAgreementsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DebtAndCreditAgreementsScheduleOfDebtDetails" xlink:href="cog-20181231.xsd#DebtAndCreditAgreementsScheduleOfDebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DebtAndCreditAgreementsScheduleOfNotesIssuedDetails" xlink:href="cog-20181231.xsd#DebtAndCreditAgreementsScheduleOfNotesIssuedDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DebtAndCreditAgreementsTables" xlink:href="cog-20181231.xsd#DebtAndCreditAgreementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivities" xlink:href="cog-20181231.xsd#DerivativeInstrumentsAndHedgingActivities" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivitiesEffectOfDerivativeOnIncomeStatementDetails" xlink:href="cog-20181231.xsd#DerivativeInstrumentsAndHedgingActivitiesEffectOfDerivativeOnIncomeStatementDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivitiesEffectOfDerivativesOnBalanceSheetDetails" xlink:href="cog-20181231.xsd#DerivativeInstrumentsAndHedgingActivitiesEffectOfDerivativesOnBalanceSheetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivitiesOffsettingAssetsAndLiabilitiesInBalanceSheetDetails" xlink:href="cog-20181231.xsd#DerivativeInstrumentsAndHedgingActivitiesOffsettingAssetsAndLiabilitiesInBalanceSheetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivitiesOffsettingAssetsAndLiabilitiesInBalanceSheetDetailsCalc2" xlink:href="cog-20181231.xsd#DerivativeInstrumentsAndHedgingActivitiesOffsettingAssetsAndLiabilitiesInBalanceSheetDetailsCalc2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivitiesOutstandingCommodityDerivativesDetails" xlink:href="cog-20181231.xsd#DerivativeInstrumentsAndHedgingActivitiesOutstandingCommodityDerivativesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivitiesTables" xlink:href="cog-20181231.xsd#DerivativeInstrumentsAndHedgingActivitiesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/Divestitures" xlink:href="cog-20181231.xsd#Divestitures" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DivestituresNarrativeDetails" xlink:href="cog-20181231.xsd#DivestituresNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/DocumentAndEntityInformation" xlink:href="cog-20181231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EarningsPerCommonShare" xlink:href="cog-20181231.xsd#EarningsPerCommonShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EarningsPerCommonShareCalculationOfWeightedAverageSharesExcludedFromDilutedEpsDetails" xlink:href="cog-20181231.xsd#EarningsPerCommonShareCalculationOfWeightedAverageSharesExcludedFromDilutedEpsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EarningsPerCommonShareScheduleOfEpsDetails" xlink:href="cog-20181231.xsd#EarningsPerCommonShareScheduleOfEpsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EarningsPerCommonShareTables" xlink:href="cog-20181231.xsd#EarningsPerCommonShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EmployeeBenefitPlans" xlink:href="cog-20181231.xsd#EmployeeBenefitPlans" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EmployeeBenefitPlansAmountRecognizedInOtherComprehensiveIncomeDetails" xlink:href="cog-20181231.xsd#EmployeeBenefitPlansAmountRecognizedInOtherComprehensiveIncomeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EmployeeBenefitPlansAmountsRecognizedInBalanceSheetDetails" xlink:href="cog-20181231.xsd#EmployeeBenefitPlansAmountsRecognizedInBalanceSheetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EmployeeBenefitPlansAssumptionsInBenefitPlansDetails" xlink:href="cog-20181231.xsd#EmployeeBenefitPlansAssumptionsInBenefitPlansDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EmployeeBenefitPlansChangeInBenefitObligationAndFairValueDetails" xlink:href="cog-20181231.xsd#EmployeeBenefitPlansChangeInBenefitObligationAndFairValueDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EmployeeBenefitPlansChangesInNetPeriodicBenefitCostDetails" xlink:href="cog-20181231.xsd#EmployeeBenefitPlansChangesInNetPeriodicBenefitCostDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EmployeeBenefitPlansHealthcareTrendEffectOnBenefitObligationDetails" xlink:href="cog-20181231.xsd#EmployeeBenefitPlansHealthcareTrendEffectOnBenefitObligationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EmployeeBenefitPlansNarrativeDetails" xlink:href="cog-20181231.xsd#EmployeeBenefitPlansNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EmployeeBenefitPlansScheduleOfEstimatedFutureBenefitPaymentsDetails" xlink:href="cog-20181231.xsd#EmployeeBenefitPlansScheduleOfEstimatedFutureBenefitPaymentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EmployeeBenefitPlansTables" xlink:href="cog-20181231.xsd#EmployeeBenefitPlansTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EquityMethodInvestments" xlink:href="cog-20181231.xsd#EquityMethodInvestments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EquityMethodInvestmentsActivityRelatedToEquityMethodInvestmentsDetails" xlink:href="cog-20181231.xsd#EquityMethodInvestmentsActivityRelatedToEquityMethodInvestmentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EquityMethodInvestmentsNarrativeDetails" xlink:href="cog-20181231.xsd#EquityMethodInvestmentsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/EquityMethodInvestmentsTables" xlink:href="cog-20181231.xsd#EquityMethodInvestmentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/FairValueMeasurements" xlink:href="cog-20181231.xsd#FairValueMeasurements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/FairValueMeasurementsAssetsAndLiabilitiesClassifiedAsLevel3Details" xlink:href="cog-20181231.xsd#FairValueMeasurementsAssetsAndLiabilitiesClassifiedAsLevel3Details" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/FairValueMeasurementsAssetsAndLiabilitiesOnRecurringBasisDetails" xlink:href="cog-20181231.xsd#FairValueMeasurementsAssetsAndLiabilitiesOnRecurringBasisDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/FairValueMeasurementsDebtMeasuredAtFairValueDetails" xlink:href="cog-20181231.xsd#FairValueMeasurementsDebtMeasuredAtFairValueDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/FairValueMeasurementsNarrativesDetails" xlink:href="cog-20181231.xsd#FairValueMeasurementsNarrativesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/FairValueMeasurementsTables" xlink:href="cog-20181231.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/IncomeTaxes" xlink:href="cog-20181231.xsd#IncomeTaxes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/IncomeTaxesNarrativeDetails" xlink:href="cog-20181231.xsd#IncomeTaxesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/IncomeTaxesRollforwardOfUnrecognizedTaxBenefitsDetails" xlink:href="cog-20181231.xsd#IncomeTaxesRollforwardOfUnrecognizedTaxBenefitsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/IncomeTaxesScheduleOfDeferredTaxAssetAndLiabilityDetails" xlink:href="cog-20181231.xsd#IncomeTaxesScheduleOfDeferredTaxAssetAndLiabilityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/IncomeTaxesSummaryOfEffectiveIncomeTaxReconciliationDetails" xlink:href="cog-20181231.xsd#IncomeTaxesSummaryOfEffectiveIncomeTaxReconciliationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/IncomeTaxesSummaryOfIncomeTaxBenefitDetails" xlink:href="cog-20181231.xsd#IncomeTaxesSummaryOfIncomeTaxBenefitDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/IncomeTaxesTables" xlink:href="cog-20181231.xsd#IncomeTaxesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/PropertiesAndEquipmentNet" xlink:href="cog-20181231.xsd#PropertiesAndEquipmentNet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/PropertiesAndEquipmentNetComponentsOfNetPropertyAndEquipmentDetails" xlink:href="cog-20181231.xsd#PropertiesAndEquipmentNetComponentsOfNetPropertyAndEquipmentDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/PropertiesAndEquipmentNetNarrativeDetails" xlink:href="cog-20181231.xsd#PropertiesAndEquipmentNetNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/PropertiesAndEquipmentNetScheduleOfAgingOfCapitalizedExploratoryCostsDetails" xlink:href="cog-20181231.xsd#PropertiesAndEquipmentNetScheduleOfAgingOfCapitalizedExploratoryCostsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/PropertiesAndEquipmentNetScheduleOfNetChangesInCapitalizedExploratoryWellCostsDetails" xlink:href="cog-20181231.xsd#PropertiesAndEquipmentNetScheduleOfNetChangesInCapitalizedExploratoryWellCostsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/PropertiesAndEquipmentNetSummaryOfAssetsHeldForSaleDetails" xlink:href="cog-20181231.xsd#PropertiesAndEquipmentNetSummaryOfAssetsHeldForSaleDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/PropertiesAndEquipmentNetTables" xlink:href="cog-20181231.xsd#PropertiesAndEquipmentNetTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/StockBasedCompensation" xlink:href="cog-20181231.xsd#StockBasedCompensation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/StockBasedCompensationAssumptionsForShareBasedAwardsDetails" xlink:href="cog-20181231.xsd#StockBasedCompensationAssumptionsForShareBasedAwardsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/StockBasedCompensationNarrativeDetails" xlink:href="cog-20181231.xsd#StockBasedCompensationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/StockBasedCompensationScheduleOfPerformanceAwardsDetails" xlink:href="cog-20181231.xsd#StockBasedCompensationScheduleOfPerformanceAwardsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/StockBasedCompensationScheduleOfRestrictedStockAwardsDetails" xlink:href="cog-20181231.xsd#StockBasedCompensationScheduleOfRestrictedStockAwardsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/StockBasedCompensationScheduleOfRestrictedUnitsDetails" xlink:href="cog-20181231.xsd#StockBasedCompensationScheduleOfRestrictedUnitsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/StockBasedCompensationScheduleOfStockAppreciationRightsDetails" xlink:href="cog-20181231.xsd#StockBasedCompensationScheduleOfStockAppreciationRightsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/StockBasedCompensationTables" xlink:href="cog-20181231.xsd#StockBasedCompensationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="cog-20181231.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/SummaryOfSignificantAccountingPoliciesDisaggregationOfRevenueDetails" xlink:href="cog-20181231.xsd#SummaryOfSignificantAccountingPoliciesDisaggregationOfRevenueDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:href="cog-20181231.xsd#SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="cog-20181231.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:href="cog-20181231.xsd#SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/SupplementalCashFlowInformation" xlink:href="cog-20181231.xsd#SupplementalCashFlowInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/SupplementalCashFlowInformationScheduleOfSupplementalCashFlowInformationDetails" xlink:href="cog-20181231.xsd#SupplementalCashFlowInformationScheduleOfSupplementalCashFlowInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.cabotog.com/role/SupplementalCashFlowInformationTables" xlink:href="cog-20181231.xsd#SupplementalCashFlowInformationTables" xlink:type="simple" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/AccumulatedOtherComprehensiveIncomeLoss" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/AccumulatedOtherComprehensiveIncomeLossReclassificationsOutOfAociDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_4d7615b5-9ab5-8e33-2d33-f406eee209fc" xlink:type="locator" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/AccumulatedOtherComprehensiveIncomeLossScheduleOfChangesInAociDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent" xlink:label="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_4ae0592f-ae75-1c8e-3b68-d52f89374b9f" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:to="loc_us-gaap_OciBeforeReclassificationsNetOfTaxAttributableToParent_4ae0592f-ae75-1c8e-3b68-d52f89374b9f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_122fa1c0-1a28-405c-1e3a-c537cfd612c7" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent_122fa1c0-1a28-405c-1e3a-c537cfd612c7" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/AccumulatedOtherComprehensiveIncomeLossTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/AdditionalBalanceSheetInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/AdditionalBalanceSheetInformationBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableTradeCurrent" xlink:label="loc_us-gaap_AccountsPayableTradeCurrent_589b663d-e7a6-26ab-df54-c79373777c21" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:to="loc_us-gaap_AccountsPayableTradeCurrent_589b663d-e7a6-26ab-df54-c79373777c21" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_NaturalGasPurchase" xlink:label="loc_cog_NaturalGasPurchase_cf044ed3-ffb8-7de9-552d-d0c65e4e877b" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:to="loc_cog_NaturalGasPurchase_cf044ed3-ffb8-7de9-552d-d0c65e4e877b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedRoyaltiesCurrent" xlink:label="loc_us-gaap_AccruedRoyaltiesCurrent_dd3f0ff4-453d-8a72-0356-517c43549266" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:to="loc_us-gaap_AccruedRoyaltiesCurrent_dd3f0ff4-453d-8a72-0356-517c43549266" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_AccruedTransportationCosts" xlink:label="loc_cog_AccruedTransportationCosts_4a1e3b68-3ba7-e395-e54b-5bbbebf87d37" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:to="loc_cog_AccruedTransportationCosts_4a1e3b68-3ba7-e395-e54b-5bbbebf87d37" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_AccruedCapitalExpenditures" xlink:label="loc_cog_AccruedCapitalExpenditures_dc1e10cf-e2b2-453f-9be1-5bbbec104cbd" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:to="loc_cog_AccruedCapitalExpenditures_dc1e10cf-e2b2-453f-9be1-5bbbec104cbd" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_TaxesOtherThanIncomePayable" xlink:label="loc_cog_TaxesOtherThanIncomePayable_b216d132-fb2e-f215-6912-d0c65ec56d5f" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:to="loc_cog_TaxesOtherThanIncomePayable_b216d132-fb2e-f215-6912-d0c65ec56d5f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Deposits" xlink:label="loc_us-gaap_Deposits_bac76255-5267-a5d6-5c3c-ff8e870786ee" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:to="loc_us-gaap_Deposits_bac76255-5267-a5d6-5c3c-ff8e870786ee" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableOtherCurrent" xlink:label="loc_us-gaap_AccountsPayableOtherCurrent_70a9415f-2c30-54d8-8685-64f6dc079646" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:to="loc_us-gaap_AccountsPayableOtherCurrent_70a9415f-2c30-54d8-8685-64f6dc079646" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TaxesPayableCurrent" xlink:label="loc_us-gaap_TaxesPayableCurrent_e11f4ed8-bba4-2471-6835-a5baa4d63b38" xlink:type="locator" />
    <link:calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:to="loc_us-gaap_TaxesPayableCurrent_e11f4ed8-bba4-2471-6835-a5baa4d63b38" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_ddb0d184-2205-2a10-5b0e-faf2ccd717ae" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredCompensationPlanAssets" xlink:label="loc_us-gaap_DeferredCompensationPlanAssets_525352e9-6825-e86e-ba35-0288cb63eff9" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_ddb0d184-2205-2a10-5b0e-faf2ccd717ae" xlink:to="loc_us-gaap_DeferredCompensationPlanAssets_525352e9-6825-e86e-ba35-0288cb63eff9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredFinanceCostsNoncurrentGross" xlink:label="loc_us-gaap_DeferredFinanceCostsNoncurrentGross_2d5ed5b3-2bd5-d806-aa91-ff20fe7e0480" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_ddb0d184-2205-2a10-5b0e-faf2ccd717ae" xlink:to="loc_us-gaap_DeferredFinanceCostsNoncurrentGross_2d5ed5b3-2bd5-d806-aa91-ff20fe7e0480" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsMiscellaneousNoncurrent" xlink:label="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_6e6e9eef-7cb9-68f9-7118-146b9eedc79b" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_ddb0d184-2205-2a10-5b0e-faf2ccd717ae" xlink:to="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_6e6e9eef-7cb9-68f9-7118-146b9eedc79b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReceivable" xlink:label="loc_us-gaap_IncomeTaxReceivable_a7c41787-03af-9378-d95c-0ad4ae186b55" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_ddb0d184-2205-2a10-5b0e-faf2ccd717ae" xlink:to="loc_us-gaap_IncomeTaxReceivable_a7c41787-03af-9378-d95c-0ad4ae186b55" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_5212eab8-bedb-997a-101c-3c3b65fbee4f" xlink:type="locator" />
    <link:loc xlink:href="cog-20181231.xsd#cog_ReceivablesGrossCurrent" xlink:label="loc_cog_ReceivablesGrossCurrent_f2c60a23-d452-2d88-6ca1-5bbbecbd12ce" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReceivablesNetCurrent_5212eab8-bedb-997a-101c-3c3b65fbee4f" xlink:to="loc_cog_ReceivablesGrossCurrent_f2c60a23-d452-2d88-6ca1-5bbbecbd12ce" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_45cbec74-5197-2285-8251-611db0876ff5" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_cog_ReceivablesGrossCurrent_f2c60a23-d452-2d88-6ca1-5bbbecbd12ce" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_45cbec74-5197-2285-8251-611db0876ff5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OilAndGasJointInterestBillingReceivables" xlink:label="loc_us-gaap_OilAndGasJointInterestBillingReceivables_74c19008-026a-938e-9b6d-9f9232fb46ff" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_cog_ReceivablesGrossCurrent_f2c60a23-d452-2d88-6ca1-5bbbecbd12ce" xlink:to="loc_us-gaap_OilAndGasJointInterestBillingReceivables_74c19008-026a-938e-9b6d-9f9232fb46ff" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherReceivables" xlink:label="loc_us-gaap_OtherReceivables_66d33d39-750d-8c64-4fb6-6affdade8a19" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_cog_ReceivablesGrossCurrent_f2c60a23-d452-2d88-6ca1-5bbbecbd12ce" xlink:to="loc_us-gaap_OtherReceivables_66d33d39-750d-8c64-4fb6-6affdade8a19" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_5ef460eb-b1a1-6cff-4c94-df85c1a14f84" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ReceivablesNetCurrent_5212eab8-bedb-997a-101c-3c3b65fbee4f" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_5ef460eb-b1a1-6cff-4c94-df85c1a14f84" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_8422f2c5-408e-d123-b935-f3115e023941" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedEmployeeBenefitsCurrent" xlink:label="loc_us-gaap_AccruedEmployeeBenefitsCurrent_0ecff572-4427-028e-de1a-032fc8792eed" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_8422f2c5-408e-d123-b935-f3115e023941" xlink:to="loc_us-gaap_AccruedEmployeeBenefitsCurrent_0ecff572-4427-028e-de1a-032fc8792eed" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_AccrualForAdValoremAndOtherNonIncomeTaxesCurrent" xlink:label="loc_cog_AccrualForAdValoremAndOtherNonIncomeTaxesCurrent_89fa8ac5-307a-359e-f1f8-5bbbec71c45e" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_8422f2c5-408e-d123-b935-f3115e023941" xlink:to="loc_cog_AccrualForAdValoremAndOtherNonIncomeTaxesCurrent_89fa8ac5-307a-359e-f1f8-5bbbec71c45e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_d9354686-0832-bbe3-9389-140489c487e8" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_8422f2c5-408e-d123-b935-f3115e023941" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_d9354686-0832-bbe3-9389-140489c487e8" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_AccruedAssetRetirementObligations" xlink:label="loc_cog_AccruedAssetRetirementObligations_0cf54cc5-a9e9-f47c-371a-d0c65dd006f5" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_8422f2c5-408e-d123-b935-f3115e023941" xlink:to="loc_cog_AccruedAssetRetirementObligations_0cf54cc5-a9e9-f47c-371a-d0c65dd006f5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_bba08e5f-78e8-6c25-01a4-6720051135cc" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_ceda5c9b-a770-d73b-0b09-a6aa89bb6fa3" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_bba08e5f-78e8-6c25-01a4-6720051135cc" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_ceda5c9b-a770-d73b-0b09-a6aa89bb6fa3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherSundryLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherSundryLiabilitiesNoncurrent_e1184dd8-3f0f-e0ca-37c5-1e76da528552" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_bba08e5f-78e8-6c25-01a4-6720051135cc" xlink:to="loc_us-gaap_OtherSundryLiabilitiesNoncurrent_e1184dd8-3f0f-e0ca-37c5-1e76da528552" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/AdditionalBalanceSheetInformationTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/AssetRetirementObligations" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/AssetRetirementObligationsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/AssetRetirementObligationsScheduleOfAssetRetirementObligationsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/AssetRetirementObligationsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/CapitalStock" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/CapitalStockNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/CommitmentsAndContingenciesFutureLeaseCommitmentDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_30d028f9-2f3a-4a0c-02f8-ea9552d875b6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_f67237f3-7c78-8a5c-b7b3-17f1eb0b017a" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_30d028f9-2f3a-4a0c-02f8-ea9552d875b6" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_f67237f3-7c78-8a5c-b7b3-17f1eb0b017a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_ccaff3fc-3d87-e58a-0083-69dda0c10f9d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_30d028f9-2f3a-4a0c-02f8-ea9552d875b6" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_ccaff3fc-3d87-e58a-0083-69dda0c10f9d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_39e76369-4fdc-9d5f-860a-45d0795e5fb0" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_30d028f9-2f3a-4a0c-02f8-ea9552d875b6" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_39e76369-4fdc-9d5f-860a-45d0795e5fb0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_fe404cae-7fcc-3489-844f-4d90e9776180" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_30d028f9-2f3a-4a0c-02f8-ea9552d875b6" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_fe404cae-7fcc-3489-844f-4d90e9776180" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_5b651b24-1278-4eab-c840-7002c6d68546" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_30d028f9-2f3a-4a0c-02f8-ea9552d875b6" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_5b651b24-1278-4eab-c840-7002c6d68546" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_36c616b1-40de-90d4-3c05-7e224ce1169a" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_30d028f9-2f3a-4a0c-02f8-ea9552d875b6" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_36c616b1-40de-90d4-3c05-7e224ce1169a" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/CommitmentsAndContingenciesFutureTransportationAndGatheringCommitmentsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherCommitment" xlink:label="loc_us-gaap_OtherCommitment_01617088-e15d-df87-fac1-8159c99c8265" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherCommitmentDueInNextTwelveMonths" xlink:label="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_0962ec60-8ab6-1cb8-9bed-ee92dfb6b849" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherCommitment_01617088-e15d-df87-fac1-8159c99c8265" xlink:to="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_0962ec60-8ab6-1cb8-9bed-ee92dfb6b849" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherCommitmentDueInSecondYear" xlink:label="loc_us-gaap_OtherCommitmentDueInSecondYear_0a55f62b-dd36-df29-dde0-6b43aadaa50d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherCommitment_01617088-e15d-df87-fac1-8159c99c8265" xlink:to="loc_us-gaap_OtherCommitmentDueInSecondYear_0a55f62b-dd36-df29-dde0-6b43aadaa50d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherCommitmentDueInThirdYear" xlink:label="loc_us-gaap_OtherCommitmentDueInThirdYear_1e3f4530-c8c6-e204-389d-78ee78e5bc31" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherCommitment_01617088-e15d-df87-fac1-8159c99c8265" xlink:to="loc_us-gaap_OtherCommitmentDueInThirdYear_1e3f4530-c8c6-e204-389d-78ee78e5bc31" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherCommitmentDueInFourthYear" xlink:label="loc_us-gaap_OtherCommitmentDueInFourthYear_348c6de2-f0e3-1a42-8cc3-6adc90f4f37d" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherCommitment_01617088-e15d-df87-fac1-8159c99c8265" xlink:to="loc_us-gaap_OtherCommitmentDueInFourthYear_348c6de2-f0e3-1a42-8cc3-6adc90f4f37d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherCommitmentDueInFifthYear" xlink:label="loc_us-gaap_OtherCommitmentDueInFifthYear_301aa4c9-532b-55d6-4b33-5a20e9265539" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherCommitment_01617088-e15d-df87-fac1-8159c99c8265" xlink:to="loc_us-gaap_OtherCommitmentDueInFifthYear_301aa4c9-532b-55d6-4b33-5a20e9265539" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherCommitmentDueAfterFifthYear" xlink:label="loc_us-gaap_OtherCommitmentDueAfterFifthYear_9134f0f8-db71-fdd7-2915-2155d1a159af" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherCommitment_01617088-e15d-df87-fac1-8159c99c8265" xlink:to="loc_us-gaap_OtherCommitmentDueAfterFifthYear_9134f0f8-db71-fdd7-2915-2155d1a159af" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/CommitmentsAndContingenciesNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/CommitmentsAndContingenciesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/ConsolidatedBalanceSheet" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_63817d40-f759-fa9c-45a5-8bbbb36ed5c9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_63817d40-f759-fa9c-45a5-8bbbb36ed5c9" xlink:to="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:to="loc_us-gaap_AccountsPayableCurrent_c2c48170-d0ff-2c37-effc-ff5f53e30dcb" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_0d8925ae-714a-26e4-aa69-2d9eac65a5c6" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:to="loc_us-gaap_LongTermDebtCurrent_0d8925ae-714a-26e4-aa69-2d9eac65a5c6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_8422f2c5-408e-d123-b935-f3115e023941" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_8422f2c5-408e-d123-b935-f3115e023941" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="loc_us-gaap_InterestPayableCurrent_84c97d53-d75c-0fec-d05e-498cb2460450" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:to="loc_us-gaap_InterestPayableCurrent_84c97d53-d75c-0fec-d05e-498cb2460450" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_690493cd-e4bf-5e73-1767-85beb84cea8f" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_690493cd-e4bf-5e73-1767-85beb84cea8f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_008489b9-d348-7423-9850-c3ac37bce631" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_2dcbbde2-9146-a0ba-7f6c-c71b481e0841" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_008489b9-d348-7423-9850-c3ac37bce631" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_e69973b2-6cb8-6605-6335-92ae4455489c" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_e69973b2-6cb8-6605-6335-92ae4455489c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_fcfc6b17-bfc5-2ebc-3fc1-751aa446a572" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_fcfc6b17-bfc5-2ebc-3fc1-751aa446a572" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_6b1efbc2-e859-9fbd-c572-2f4147498390" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_6b1efbc2-e859-9fbd-c572-2f4147498390" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_083ff527-01ef-d8ae-5095-99e2101237fc" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_083ff527-01ef-d8ae-5095-99e2101237fc" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_bba08e5f-78e8-6c25-01a4-6720051135cc" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_bba08e5f-78e8-6c25-01a4-6720051135cc" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_5eac1705-1cbb-e196-f33e-32795ed746a4" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_066608da-f041-4af6-3da0-95354b640e11" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_5eac1705-1cbb-e196-f33e-32795ed746a4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_63817d40-f759-fa9c-45a5-8bbbb36ed5c9" xlink:to="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_aefe3f0c-abe4-5b83-9a64-da77d8e253dd" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:to="loc_us-gaap_CommonStockValue_aefe3f0c-abe4-5b83-9a64-da77d8e253dd" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_df284507-8ac7-eed1-41db-05e81b70be6d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_df284507-8ac7-eed1-41db-05e81b70be6d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a59bc5ae-63a0-c9bc-32f7-e2bd9f32bd26" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a59bc5ae-63a0-c9bc-32f7-e2bd9f32bd26" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_798442bf-12e1-d944-3fa1-8b797b67482e" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_798442bf-12e1-d944-3fa1-8b797b67482e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_70b30340-b55c-aed7-73f5-36d397294f84" xlink:type="locator" />
    <link:calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_6765f135-8c69-bebc-a116-d59a52a5b2f2" xlink:to="loc_us-gaap_TreasuryStockValue_70b30340-b55c-aed7-73f5-36d397294f84" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_f0c68f4f-7ec1-d447-8ba7-0f2766abbe67" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_63817d40-f759-fa9c-45a5-8bbbb36ed5c9" xlink:to="loc_us-gaap_CommitmentsAndContingencies_f0c68f4f-7ec1-d447-8ba7-0f2766abbe67" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_32f41ea9-05c6-e713-464b-586a571d1c1f" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_32f41ea9-05c6-e713-464b-586a571d1c1f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_5212eab8-bedb-997a-101c-3c3b65fbee4f" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_ReceivablesNetCurrent_5212eab8-bedb-997a-101c-3c3b65fbee4f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="loc_us-gaap_IncomeTaxesReceivable_ebb94f1a-1386-5eed-9402-f0f0e2cd300b" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_IncomeTaxesReceivable_ebb94f1a-1386-5eed-9402-f0f0e2cd300b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_66bcd79a-a1c3-c24d-b8b4-7a0ce373714b" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_InventoryNet_66bcd79a-a1c3-c24d-b8b4-7a0ce373714b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_79aabdc0-b963-1fd1-4e81-8c0801b1ebca" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_OtherAssetsCurrent_79aabdc0-b963-1fd1-4e81-8c0801b1ebca" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_4a9219e5-b11b-1259-8c65-943e95f6dca4" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_4a9219e5-b11b-1259-8c65-943e95f6dca4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedges" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedges_2d8970a5-933f-d6eb-10e5-d3a61482d88f" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_d79dcc1c-93de-0ecd-2bd5-7c1f224c9b98" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedges_2d8970a5-933f-d6eb-10e5-d3a61482d88f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_f37ad080-c77a-efc5-c936-389b16abc420" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_f37ad080-c77a-efc5-c936-389b16abc420" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_ddb0d184-2205-2a10-5b0e-faf2ccd717ae" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_ddb0d184-2205-2a10-5b0e-faf2ccd717ae" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_0682cfaa-83e6-dea4-d697-0d84430cc679" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_EquityMethodInvestments_0682cfaa-83e6-dea4-d697-0d84430cc679" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_f4dbc858-a118-9b67-ebbc-8f08f5d89c9c" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_f4dbc858-a118-9b67-ebbc-8f08f5d89c9c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeAssetsNoncurrent" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_1b627296-6ceb-171f-5c4f-23b7c7421d3f" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_96dd7052-744e-d270-4e77-67944ec39152" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_1b627296-6ceb-171f-5c4f-23b7c7421d3f" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/ConsolidatedBalanceSheetParenthetical" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/ConsolidatedStatementOfCashFlows" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_31214f19-352c-275d-346b-0291fedc1ffa" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_31214f19-352c-275d-346b-0291fedc1ffa" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_4d7615b5-9ab5-8e33-2d33-f406eee209fc" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_4d7615b5-9ab5-8e33-2d33-f406eee209fc" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_b11c1cb0-596b-4c3d-0283-76cef67837c7" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_b11c1cb0-596b-4c3d-0283-76cef67837c7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ImpairmentOfOilAndGasProperties" xlink:label="loc_us-gaap_ImpairmentOfOilAndGasProperties_d302d208-28c2-0b5a-c581-6bafeb0120c6" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_ImpairmentOfOilAndGasProperties_d302d208-28c2-0b5a-c581-6bafeb0120c6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e8a9abf2-38d3-77d1-fb6b-693fef632294" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e8a9abf2-38d3-77d1-fb6b-693fef632294" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_ef1b7738-192b-a4ca-6396-5577f303c271" xlink:type="locator" />
    <link:calculationArc order="5" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_ef1b7738-192b-a4ca-6396-5577f303c271" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ResultsOfOperationsDryHoleCosts" xlink:label="loc_us-gaap_ResultsOfOperationsDryHoleCosts_8d362a65-ee63-6e7f-7901-dcfdad26b0bb" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_ResultsOfOperationsDryHoleCosts_8d362a65-ee63-6e7f-7901-dcfdad26b0bb" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_617b1db1-ae07-85bc-53dc-378b73f4faf0" xlink:type="locator" />
    <link:calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_617b1db1-ae07-85bc-53dc-378b73f4faf0" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_ProceedsfromPaymentsforDerivativeInstrumentOperatingActivities" xlink:label="loc_cog_ProceedsfromPaymentsforDerivativeInstrumentOperatingActivities_c24e783d-7db3-0707-2645-5bbbec3e0665" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_cog_ProceedsfromPaymentsforDerivativeInstrumentOperatingActivities_c24e783d-7db3-0707-2645-5bbbec3e0665" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_d01a4d5f-b660-27b4-db84-9a80227862fc" xlink:type="locator" />
    <link:calculationArc order="9" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_d01a4d5f-b660-27b4-db84-9a80227862fc" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_b412c390-dfec-d4c8-f13e-036e3b49278c" xlink:type="locator" />
    <link:calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_b412c390-dfec-d4c8-f13e-036e3b49278c" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_StockBasedCompensationExpensePensionAndOther" xlink:label="loc_cog_StockBasedCompensationExpensePensionAndOther_05305538-4ab8-5744-e473-d0c65f418d22" xlink:type="locator" />
    <link:calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_cog_StockBasedCompensationExpensePensionAndOther_05305538-4ab8-5744-e473-d0c65f418d22" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_7357074f-3c04-6e15-2de1-4b57df4c66ed" xlink:type="locator" />
    <link:calculationArc order="12" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_7357074f-3c04-6e15-2de1-4b57df4c66ed" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable_71beb6b3-8849-84f6-1f38-eac1389d4d99" xlink:type="locator" />
    <link:calculationArc order="13" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable_71beb6b3-8849-84f6-1f38-eac1389d4d99" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_334f1d33-7cae-7fd2-9d83-bb387fc2f3dd" xlink:type="locator" />
    <link:calculationArc order="14" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_334f1d33-7cae-7fd2-9d83-bb387fc2f3dd" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_0e4168a9-901d-abb5-15c0-3622e9e2c070" xlink:type="locator" />
    <link:calculationArc order="15" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_0e4168a9-901d-abb5-15c0-3622e9e2c070" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_91c354d1-d18f-051e-80cb-f13c01058b9d" xlink:type="locator" />
    <link:calculationArc order="16" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_91c354d1-d18f-051e-80cb-f13c01058b9d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_a9646808-098c-8496-e17a-df690055019e" xlink:type="locator" />
    <link:calculationArc order="17" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_a9646808-098c-8496-e17a-df690055019e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:label="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_2a6d7ce6-936f-6ec3-1606-4ffc7571557c" xlink:type="locator" />
    <link:calculationArc order="18" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_2a6d7ce6-936f-6ec3-1606-4ffc7571557c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_fc492244-7d5a-7cd0-89f2-ebfd74c617eb" xlink:type="locator" />
    <link:calculationArc order="19" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_1bd0bd4e-4a6f-b052-029c-0ecb0c520251" xlink:to="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_fc492244-7d5a-7cd0-89f2-ebfd74c617eb" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_28655e34-499f-b7bf-c54f-5de0990d0c65" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_31214f19-352c-275d-346b-0291fedc1ffa" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_28655e34-499f-b7bf-c54f-5de0990d0c65" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties" xlink:label="loc_us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties_69f9f4fd-ef71-6569-89d6-9381cebb6b66" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_28655e34-499f-b7bf-c54f-5de0990d0c65" xlink:to="loc_us-gaap_PaymentsToExploreAndDevelopOilAndGasProperties_69f9f4fd-ef71-6569-89d6-9381cebb6b66" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_2e493320-ebb4-7df2-c1f0-2dc8298386c7" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_28655e34-499f-b7bf-c54f-5de0990d0c65" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_2e493320-ebb4-7df2-c1f0-2dc8298386c7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_1db37fac-6ce5-5d1f-3f25-b01134e09873" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_28655e34-499f-b7bf-c54f-5de0990d0c65" xlink:to="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_1db37fac-6ce5-5d1f-3f25-b01134e09873" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_31214f19-352c-275d-346b-0291fedc1ffa" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_60ab1096-bf53-5d61-76bd-431fe857fc03" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_60ab1096-bf53-5d61-76bd-431fe857fc03" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_cfa1e746-5920-c3b5-33ed-a7dee018f26c" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_cfa1e746-5920-c3b5-33ed-a7dee018f26c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForRepurchaseOfEquity" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfEquity_429b89cb-a3ac-d01b-65b4-9aa6ee9ea1da" xlink:type="locator" />
    <link:calculationArc order="3" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfEquity_429b89cb-a3ac-d01b-65b4-9aa6ee9ea1da" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_6accd1a2-f190-7888-29dd-29802af49bdc" xlink:type="locator" />
    <link:calculationArc order="4" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_6accd1a2-f190-7888-29dd-29802af49bdc" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_38e7f3e2-9d1a-8772-e4aa-fb2cb7d8adc0" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_38e7f3e2-9d1a-8772-e4aa-fb2cb7d8adc0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_6ec8bc8e-bcd9-36ad-d8ae-2c2fa1dfd920" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_6ec8bc8e-bcd9-36ad-d8ae-2c2fa1dfd920" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_43305c85-41ff-3d0f-c464-dc8983363bce" xlink:type="locator" />
    <link:calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_43305c85-41ff-3d0f-c464-dc8983363bce" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_15de0c29-7f29-fc68-dcff-36f8e7ff06d8" xlink:type="locator" />
    <link:calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_d8917e24-06dd-060d-a290-e426c7895e54" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_15de0c29-7f29-fc68-dcff-36f8e7ff06d8" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/ConsolidatedStatementOfComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_cf605d39-9067-2f07-a6b5-7dfa6481009e" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_4d7615b5-9ab5-8e33-2d33-f406eee209fc" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_cf605d39-9067-2f07-a6b5-7dfa6481009e" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_4d7615b5-9ab5-8e33-2d33-f406eee209fc" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_cf605d39-9067-2f07-a6b5-7dfa6481009e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_254de926-c784-5333-b3ea-41e5ac110b5c" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_254de926-c784-5333-b3ea-41e5ac110b5c" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax_a0edbde5-0ba8-1af6-82c1-5dd9caff75ae" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax_a0edbde5-0ba8-1af6-82c1-5dd9caff75ae" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_df6ca9c6-9b90-b610-354f-a75a1a563b7b" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_df6ca9c6-9b90-b610-354f-a75a1a563b7b" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_TaxCutsAndJobsActReclassificationfromAOCItoRetainedEarningsTaxEffect" xlink:label="loc_cog_TaxCutsAndJobsActReclassificationfromAOCItoRetainedEarningsTaxEffect_FBFAF81CE87545672B7DE7CB6464D0D0" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_59645a08-ce25-9000-2f65-e4bfddb1182e" xlink:to="loc_cog_TaxCutsAndJobsActReclassificationfromAOCItoRetainedEarningsTaxEffect_FBFAF81CE87545672B7DE7CB6464D0D0" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/ConsolidatedStatementOfComprehensiveIncomeParenthetical" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/ConsolidatedStatementOfOperations" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_4d7615b5-9ab5-8e33-2d33-f406eee209fc" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_4d7615b5-9ab5-8e33-2d33-f406eee209fc" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:to="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_435f940b-a471-4122-5132-a245458f6913" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:to="loc_us-gaap_Revenues_435f940b-a471-4122-5132-a245458f6913" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_1c604cfe-da19-5194-72b6-98be0130cfb7" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_435f940b-a471-4122-5132-a245458f6913" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_1c604cfe-da19-5194-72b6-98be0130cfb7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnSaleOfDerivatives" xlink:label="loc_us-gaap_GainLossOnSaleOfDerivatives_f24bc386-3b71-3b99-5a95-711a3c661a08" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_435f940b-a471-4122-5132-a245458f6913" xlink:to="loc_us-gaap_GainLossOnSaleOfDerivatives_f24bc386-3b71-3b99-5a95-711a3c661a08" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:to="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DirectOperatingCosts" xlink:label="loc_us-gaap_DirectOperatingCosts_3d73b61b-6f03-c339-8d5f-8989baf48d9d" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:to="loc_us-gaap_DirectOperatingCosts_3d73b61b-6f03-c339-8d5f-8989baf48d9d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_1c65a201-fd8e-32d7-dad9-c6d1d5719594" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_1c65a201-fd8e-32d7-dad9-c6d1d5719594" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TaxesExcludingIncomeAndExciseTaxes" xlink:label="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_c2403a48-8c07-df78-0759-fb2d2cf1986f" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:to="loc_us-gaap_TaxesExcludingIncomeAndExciseTaxes_c2403a48-8c07-df78-0759-fb2d2cf1986f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ExplorationExpense" xlink:label="loc_us-gaap_ExplorationExpense_4b5663ca-6126-9ec4-4308-182d9b345234" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:to="loc_us-gaap_ExplorationExpense_4b5663ca-6126-9ec4-4308-182d9b345234" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_b11c1cb0-596b-4c3d-0283-76cef67837c7" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_b11c1cb0-596b-4c3d-0283-76cef67837c7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ImpairmentOfOilAndGasProperties" xlink:label="loc_us-gaap_ImpairmentOfOilAndGasProperties_d302d208-28c2-0b5a-c581-6bafeb0120c6" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:to="loc_us-gaap_ImpairmentOfOilAndGasProperties_d302d208-28c2-0b5a-c581-6bafeb0120c6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_a698662c-5d68-9b87-98fe-02485cda58f8" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_a2f4cf19-54a3-c9c5-9b4d-23b76125e270" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_a698662c-5d68-9b87-98fe-02485cda58f8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_ef1b7738-192b-a4ca-6396-5577f303c271" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_ef1b7738-192b-a4ca-6396-5577f303c271" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_d01a4d5f-b660-27b4-db84-9a80227862fc" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_5c890570-5904-7978-36d8-35b96dcf45ab" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_d01a4d5f-b660-27b4-db84-9a80227862fc" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_80036452-8f22-8b77-cf8f-49eda674198d" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_80036452-8f22-8b77-cf8f-49eda674198d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_11620bd8-431c-98f6-ac51-02db9613dc06" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_11620bd8-431c-98f6-ac51-02db9613dc06" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_41e96f8d-e499-8de8-69a8-27f1c7d4df6e" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d8b6d19-6a54-06aa-2077-c10380bd20d1" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_41e96f8d-e499-8de8-69a8-27f1c7d4df6e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_4d7615b5-9ab5-8e33-2d33-f406eee209fc" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/ConsolidatedStatementOfStockholdersEquity" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/ConsolidatedStatementOfStockholdersEquityParenthetical" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DebtAndCreditAgreements" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DebtAndCreditAgreementsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DebtAndCreditAgreementsScheduleOfDebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_80dca0ba-44dc-8565-fb9b-c2edfc8c357d" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_88b8f1df-ff6f-5cd6-e45f-5878f70c11d5" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_80dca0ba-44dc-8565-fb9b-c2edfc8c357d" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_88b8f1df-ff6f-5cd6-e45f-5878f70c11d5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_450782c6-2839-854f-cd33-795c87a08ecc" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_80dca0ba-44dc-8565-fb9b-c2edfc8c357d" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_450782c6-2839-854f-cd33-795c87a08ecc" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DebtAndCreditAgreementsScheduleOfNotesIssuedDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DebtAndCreditAgreementsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivities" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivitiesEffectOfDerivativeOnIncomeStatementDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivitiesEffectOfDerivativesOnBalanceSheetDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivitiesOffsettingAssetsAndLiabilitiesInBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection" xlink:label="loc_us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection_f0616d23-1c46-20e2-1988-a259022174e6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets_082aa8c2-a051-1bb7-d441-a6d93b3f45f4" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection_f0616d23-1c46-20e2-1988-a259022174e6" xlink:to="loc_us-gaap_DerivativeAssets_082aa8c2-a051-1bb7-d441-a6d93b3f45f4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_039063f0-a070-e7c0-00b9-9f969b70b0e3" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssets_082aa8c2-a051-1bb7-d441-a6d93b3f45f4" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_039063f0-a070-e7c0-00b9-9f969b70b0e3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeAssetFairValueGrossLiability" xlink:label="loc_us-gaap_DerivativeAssetFairValueGrossLiability_64ff294a-f97c-6494-ac81-8ca74d62b901" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssets_082aa8c2-a051-1bb7-d441-a6d93b3f45f4" xlink:to="loc_us-gaap_DerivativeAssetFairValueGrossLiability_64ff294a-f97c-6494-ac81-8ca74d62b901" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_f6de7e6b-8c80-f334-6364-11b06a1ac0b0" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection_f0616d23-1c46-20e2-1988-a259022174e6" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_f6de7e6b-8c80-f334-6364-11b06a1ac0b0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection" xlink:label="loc_us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection_93a177b9-48f9-0236-654d-7824d6745162" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities_7e8e10f8-8ddc-2b6a-eea7-ea4d306368a1" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection_93a177b9-48f9-0236-654d-7824d6745162" xlink:to="loc_us-gaap_DerivativeLiabilities_7e8e10f8-8ddc-2b6a-eea7-ea4d306368a1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_c526cec7-2a96-da82-2b5c-b252c3ef64fd" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilities_7e8e10f8-8ddc-2b6a-eea7-ea4d306368a1" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_c526cec7-2a96-da82-2b5c-b252c3ef64fd" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeLiabilityFairValueGrossAsset" xlink:label="loc_us-gaap_DerivativeLiabilityFairValueGrossAsset_c269c798-d27a-aa37-4ec7-f78942e69904" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilities_7e8e10f8-8ddc-2b6a-eea7-ea4d306368a1" xlink:to="loc_us-gaap_DerivativeLiabilityFairValueGrossAsset_c269c798-d27a-aa37-4ec7-f78942e69904" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_0ff8e868-09a7-6e5e-8ff9-ff0cfc9297c2" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection_93a177b9-48f9-0236-654d-7824d6745162" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_0ff8e868-09a7-6e5e-8ff9-ff0cfc9297c2" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivitiesOffsettingAssetsAndLiabilitiesInBalanceSheetDetailsCalc2" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivitiesOutstandingCommodityDerivativesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DerivativeInstrumentsAndHedgingActivitiesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/Divestitures" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DivestituresNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EarningsPerCommonShare" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EarningsPerCommonShareCalculationOfWeightedAverageSharesExcludedFromDilutedEpsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_1a6b2cea-d4fd-9c6d-bb63-3b1af3dfa408" xlink:type="locator" />
    <link:loc xlink:href="cog-20181231.xsd#cog_AntidilutiveSecuritiesExcludedfromComputationofEPSduetoNetLossAmount" xlink:label="loc_cog_AntidilutiveSecuritiesExcludedfromComputationofEPSduetoNetLossAmount_a5462c32-4110-cad8-7487-5bbbecccff89" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_1a6b2cea-d4fd-9c6d-bb63-3b1af3dfa408" xlink:to="loc_cog_AntidilutiveSecuritiesExcludedfromComputationofEPSduetoNetLossAmount_a5462c32-4110-cad8-7487-5bbbecccff89" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_AntidilutiveSecuritiesExcludedfromComputationofEPSAmountTreasuryStockMethod" xlink:label="loc_cog_AntidilutiveSecuritiesExcludedfromComputationofEPSAmountTreasuryStockMethod_caa75926-8402-3000-7b37-5bbbec16c99c" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_1a6b2cea-d4fd-9c6d-bb63-3b1af3dfa408" xlink:to="loc_cog_AntidilutiveSecuritiesExcludedfromComputationofEPSAmountTreasuryStockMethod_caa75926-8402-3000-7b37-5bbbec16c99c" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EarningsPerCommonShareScheduleOfEpsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_21ce4f2f-397c-6c02-8635-7c94146a06a0" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2dd9a981-e559-d141-f1c2-4db79f71a7ef" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_21ce4f2f-397c-6c02-8635-7c94146a06a0" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2dd9a981-e559-d141-f1c2-4db79f71a7ef" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_e52bef3f-d63a-d129-8b6a-48192f5d97b3" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_21ce4f2f-397c-6c02-8635-7c94146a06a0" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_e52bef3f-d63a-d129-8b6a-48192f5d97b3" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EarningsPerCommonShareTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EmployeeBenefitPlans" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EmployeeBenefitPlansAmountRecognizedInOtherComprehensiveIncomeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_0f27487e-3d5a-f377-0098-b0e848cdad0f" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax_489d8e73-cdae-5246-456e-868aff0fc625" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_0f27487e-3d5a-f377-0098-b0e848cdad0f" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax_489d8e73-cdae-5246-456e-868aff0fc625" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_5cad856d-5bc0-8a6d-8833-76680f9c72f2" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_0f27487e-3d5a-f377-0098-b0e848cdad0f" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_5cad856d-5bc0-8a6d-8833-76680f9c72f2" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EmployeeBenefitPlansAmountsRecognizedInBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_7e70cbd0-3c12-25b5-5c59-d2236b678578" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_ce0a2b9f-7d6d-5f26-0a1b-2f0b2915c2e1" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_7e70cbd0-3c12-25b5-5c59-d2236b678578" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_ce0a2b9f-7d6d-5f26-0a1b-2f0b2915c2e1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_e69973b2-6cb8-6605-6335-92ae4455489c" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_7e70cbd0-3c12-25b5-5c59-d2236b678578" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_e69973b2-6cb8-6605-6335-92ae4455489c" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EmployeeBenefitPlansAssumptionsInBenefitPlansDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EmployeeBenefitPlansChangeInBenefitObligationAndFairValueDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_6756bfa8-d44d-11e3-e639-2c0d1784c09a" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_4a6a9edc-7d09-7c7e-e64b-45faecd35930" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_6756bfa8-d44d-11e3-e639-2c0d1784c09a" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitObligation_4a6a9edc-7d09-7c7e-e64b-45faecd35930" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_166d727c-5242-f06b-d573-7921ffbf75e2" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_6756bfa8-d44d-11e3-e639-2c0d1784c09a" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_166d727c-5242-f06b-d573-7921ffbf75e2" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EmployeeBenefitPlansChangesInNetPeriodicBenefitCostDetails" xlink:type="extended">
    <link:loc xlink:href="cog-20181231.xsd#cog_AmountRecognizedInNetPeriodicCostAndOtherComprehensiveIncome" xlink:label="loc_cog_AmountRecognizedInNetPeriodicCostAndOtherComprehensiveIncome_bbfee705-8dc8-1ad8-8bb9-d0c65f237e47" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_a21d0c25-d067-9812-e027-283668283711" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_cog_AmountRecognizedInNetPeriodicCostAndOtherComprehensiveIncome_bbfee705-8dc8-1ad8-8bb9-d0c65f237e47" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_a21d0c25-d067-9812-e027-283668283711" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_7a6b3159-85c2-3cb7-35ae-a023bdf89f97" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_a21d0c25-d067-9812-e027-283668283711" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_7a6b3159-85c2-3cb7-35ae-a023bdf89f97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_5a6927f8-c962-c8c0-1e84-0cb09af136b4" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_a21d0c25-d067-9812-e027-283668283711" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_5a6927f8-c962-c8c0-1e84-0cb09af136b4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax_f5ce53ea-1f92-970b-5dce-7d746c918b37" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_a21d0c25-d067-9812-e027-283668283711" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax_f5ce53ea-1f92-970b-5dce-7d746c918b37" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f8c4af80-3396-31ad-927b-214035fcad4c" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_cog_AmountRecognizedInNetPeriodicCostAndOtherComprehensiveIncome_bbfee705-8dc8-1ad8-8bb9-d0c65f237e47" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f8c4af80-3396-31ad-927b-214035fcad4c" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeCurtailmentsandSettlements" xlink:label="loc_cog_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeCurtailmentsandSettlements_cc6df547-9ea1-b42f-dd93-5bbbec63b78d" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f8c4af80-3396-31ad-927b-214035fcad4c" xlink:to="loc_cog_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeCurtailmentsandSettlements_cc6df547-9ea1-b42f-dd93-5bbbec63b78d" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_50c65441-5a4a-7b70-8a6f-4bdf84901dd7" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_cog_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeCurtailmentsandSettlements_cc6df547-9ea1-b42f-dd93-5bbbec63b78d" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_50c65441-5a4a-7b70-8a6f-4bdf84901dd7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_cc5d4539-1440-3488-daaf-595604d399d2" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_cog_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeCurtailmentsandSettlements_cc6df547-9ea1-b42f-dd93-5bbbec63b78d" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_cc5d4539-1440-3488-daaf-595604d399d2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_ec71b0cf-49f0-3a78-6e16-666ec068d28b" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_cog_DefinedBenefitPlanNetPeriodicBenefitCostCreditBeforeCurtailmentsandSettlements_cc6df547-9ea1-b42f-dd93-5bbbec63b78d" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_ec71b0cf-49f0-3a78-6e16-666ec068d28b" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_b5277195-2753-5507-657c-6a5b0220da00" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_f8c4af80-3396-31ad-927b-214035fcad4c" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_b5277195-2753-5507-657c-6a5b0220da00" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EmployeeBenefitPlansHealthcareTrendEffectOnBenefitObligationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EmployeeBenefitPlansNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EmployeeBenefitPlansScheduleOfEstimatedFutureBenefitPaymentsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EmployeeBenefitPlansTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EquityMethodInvestments" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EquityMethodInvestmentsActivityRelatedToEquityMethodInvestmentsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EquityMethodInvestmentsNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/EquityMethodInvestmentsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/FairValueMeasurements" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/FairValueMeasurementsAssetsAndLiabilitiesClassifiedAsLevel3Details" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/FairValueMeasurementsAssetsAndLiabilitiesOnRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_4f2d2e40-e149-3246-b591-f2ca332c7df6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredCompensationPlanAssets" xlink:label="loc_us-gaap_DeferredCompensationPlanAssets_525352e9-6825-e86e-ba35-0288cb63eff9" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_4f2d2e40-e149-3246-b591-f2ca332c7df6" xlink:to="loc_us-gaap_DeferredCompensationPlanAssets_525352e9-6825-e86e-ba35-0288cb63eff9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_039063f0-a070-e7c0-00b9-9f969b70b0e3" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_4f2d2e40-e149-3246-b591-f2ca332c7df6" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_039063f0-a070-e7c0-00b9-9f969b70b0e3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_6bae24fb-c89c-2c1d-91e1-c77efe1775f1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_ceda5c9b-a770-d73b-0b09-a6aa89bb6fa3" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_6bae24fb-c89c-2c1d-91e1-c77efe1775f1" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_ceda5c9b-a770-d73b-0b09-a6aa89bb6fa3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_c526cec7-2a96-da82-2b5c-b252c3ef64fd" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_6bae24fb-c89c-2c1d-91e1-c77efe1775f1" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_c526cec7-2a96-da82-2b5c-b252c3ef64fd" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/FairValueMeasurementsDebtMeasuredAtFairValueDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_80dca0ba-44dc-8565-fb9b-c2edfc8c357d" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_0d8925ae-714a-26e4-aa69-2d9eac65a5c6" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_80dca0ba-44dc-8565-fb9b-c2edfc8c357d" xlink:to="loc_us-gaap_LongTermDebtCurrent_0d8925ae-714a-26e4-aa69-2d9eac65a5c6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_fcfc6b17-bfc5-2ebc-3fc1-751aa446a572" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_80dca0ba-44dc-8565-fb9b-c2edfc8c357d" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_fcfc6b17-bfc5-2ebc-3fc1-751aa446a572" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/FairValueMeasurementsNarrativesDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/IncomeTaxes" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/IncomeTaxesRollforwardOfUnrecognizedTaxBenefitsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/IncomeTaxesScheduleOfDeferredTaxAssetAndLiabilityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="loc_us-gaap_DeferredTaxLiabilities_cee36967-7b64-56b0-03ea-66fbd4d14899" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:type="locator" />
    <link:calculationArc order="1" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_cee36967-7b64-56b0-03ea-66fbd4d14899" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_877d9548-0a6d-f5af-1e31-5b1edfc4107e" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_877d9548-0a6d-f5af-1e31-5b1edfc4107e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax_31009ff6-970a-ad7e-0a51-e32c7cd5cf40" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax_31009ff6-970a-ad7e-0a51-e32c7cd5cf40" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_01afb86c-fc98-7c06-032a-58f975ba8f67" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_01afb86c-fc98-7c06-032a-58f975ba8f67" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_e8fd0f39-0d07-8442-4833-5ebc3fe9de2e" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_e8fd0f39-0d07-8442-4833-5ebc3fe9de2e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_187bb760-9cde-c4af-d9e1-306e7a6330eb" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_187bb760-9cde-c4af-d9e1-306e7a6330eb" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits_6bd86b0d-6534-f6fe-c2f9-9c7b48c1a010" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits_6bd86b0d-6534-f6fe-c2f9-9c7b48c1a010" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_0cc13c2f-6b23-b741-4f28-07325c7e7169" xlink:type="locator" />
    <link:calculationArc order="7" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_0cc13c2f-6b23-b741-4f28-07325c7e7169" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_d9af76c3-a64a-3b37-1d7d-4e9be8c70af6" xlink:type="locator" />
    <link:calculationArc order="8" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_d9af76c3-a64a-3b37-1d7d-4e9be8c70af6" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_DeferredTaxAssetsDerivativeAndHedgingTransactions" xlink:label="loc_cog_DeferredTaxAssetsDerivativeAndHedgingTransactions_bc9f0e92-7242-7b31-b346-d0c65f697b24" xlink:type="locator" />
    <link:calculationArc order="9" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:to="loc_cog_DeferredTaxAssetsDerivativeAndHedgingTransactions_bc9f0e92-7242-7b31-b346-d0c65f697b24" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther_d1d6a6aa-10dd-c633-697d-6d8c52b9d649" xlink:type="locator" />
    <link:calculationArc order="10" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther_d1d6a6aa-10dd-c633-697d-6d8c52b9d649" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsEquityMethodInvestments" xlink:label="loc_us-gaap_DeferredTaxAssetsEquityMethodInvestments_9a81d056-3bef-505e-6e48-48789fa3e910" xlink:type="locator" />
    <link:calculationArc order="11" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:to="loc_us-gaap_DeferredTaxAssetsEquityMethodInvestments_9a81d056-3bef-505e-6e48-48789fa3e910" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:label="loc_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_28d5aac2-c87b-ff97-09eb-f0f3cf1c0d5f" xlink:type="locator" />
    <link:calculationArc order="12" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_476b367a-1ad6-eb34-c01b-595b754b8aa8" xlink:to="loc_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_28d5aac2-c87b-ff97-09eb-f0f3cf1c0d5f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_5ca8e732-540c-5527-8ee3-c835dafc5838" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_cee36967-7b64-56b0-03ea-66fbd4d14899" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_5ca8e732-540c-5527-8ee3-c835dafc5838" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_4ed01819-014a-ce74-957e-ddc9b0c1d62e" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_5ca8e732-540c-5527-8ee3-c835dafc5838" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_4ed01819-014a-ce74-957e-ddc9b0c1d62e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxLiabilitiesDerivatives" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesDerivatives_662b404a-a1c6-da1e-8261-31fc23d056f2" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_5ca8e732-540c-5527-8ee3-c835dafc5838" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesDerivatives_662b404a-a1c6-da1e-8261-31fc23d056f2" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/IncomeTaxesSummaryOfEffectiveIncomeTaxReconciliationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_46fd3e47-b379-3d5b-dad7-1fdc5e88b67f" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_46fd3e47-b379-3d5b-dad7-1fdc5e88b67f" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_IncomeTaxReconciliationDeferredTaxAdjustmentRelatedToChangeInOverallStateTaxRate" xlink:label="loc_cog_IncomeTaxReconciliationDeferredTaxAdjustmentRelatedToChangeInOverallStateTaxRate_af28d236-cf84-9a8c-35bc-d0c65da9af90" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:to="loc_cog_IncomeTaxReconciliationDeferredTaxAdjustmentRelatedToChangeInOverallStateTaxRate_af28d236-cf84-9a8c-35bc-d0c65da9af90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_147896db-b2dd-402f-9f5b-8c57c745a45a" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_147896db-b2dd-402f-9f5b-8c57c745a45a" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_403b8245-2a5c-b405-4865-11cfdebd2992" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_403b8245-2a5c-b405-4865-11cfdebd2992" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes" xlink:label="loc_us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes_a796cbdf-aaac-9f7e-6bbb-bc756ba4beb0" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:to="loc_us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes_a796cbdf-aaac-9f7e-6bbb-bc756ba4beb0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount_2e521c71-adfb-ca01-5f8a-91ef5de0c792" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount_2e521c71-adfb-ca01-5f8a-91ef5de0c792" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit" xlink:label="loc_cog_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit_f4ff821d-74d3-e965-7a43-d0c65d85a818" xlink:type="locator" />
    <link:calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:to="loc_cog_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit_f4ff821d-74d3-e965-7a43-d0c65d85a818" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_7c88fa1f-0edb-d24c-9b87-0646da5010cf" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_7c88fa1f-0edb-d24c-9b87-0646da5010cf" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f1b8c80c-fe31-3624-3b0a-70273297561e" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_51d18bf0-0823-2940-9470-e9bbca486da6" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f1b8c80c-fe31-3624-3b0a-70273297561e" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_51d18bf0-0823-2940-9470-e9bbca486da6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_d23dd313-f50b-59fa-fd80-0dbe24277535" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f1b8c80c-fe31-3624-3b0a-70273297561e" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_d23dd313-f50b-59fa-fd80-0dbe24277535" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_EffectiveIncomeTaxRateReconciliationChangeinEnactedTaxRateStateandLocalPercent" xlink:label="loc_cog_EffectiveIncomeTaxRateReconciliationChangeinEnactedTaxRateStateandLocalPercent_5876afad-c2b7-1faa-6a07-d0c65e67d6a5" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f1b8c80c-fe31-3624-3b0a-70273297561e" xlink:to="loc_cog_EffectiveIncomeTaxRateReconciliationChangeinEnactedTaxRateStateandLocalPercent_5876afad-c2b7-1faa-6a07-d0c65e67d6a5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_082942cb-e31f-ff03-a943-7f4739f70da9" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f1b8c80c-fe31-3624-3b0a-70273297561e" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_082942cb-e31f-ff03-a943-7f4739f70da9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes_d35e97a2-6149-3121-7342-32d87dd6a431" xlink:type="locator" />
    <link:calculationArc order="5" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f1b8c80c-fe31-3624-3b0a-70273297561e" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes_d35e97a2-6149-3121-7342-32d87dd6a431" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_8e08d6c7-adb5-6628-1188-bc862e7830ff" xlink:type="locator" />
    <link:calculationArc order="6" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f1b8c80c-fe31-3624-3b0a-70273297561e" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_8e08d6c7-adb5-6628-1188-bc862e7830ff" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent" xlink:label="loc_cog_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent_10439804-bdcc-5f02-ce21-d0c65d52e0fe" xlink:type="locator" />
    <link:calculationArc order="7" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f1b8c80c-fe31-3624-3b0a-70273297561e" xlink:to="loc_cog_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent_10439804-bdcc-5f02-ce21-d0c65d52e0fe" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_00f37689-1982-1c68-c80b-43003f810247" xlink:type="locator" />
    <link:calculationArc order="8" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_f1b8c80c-fe31-3624-3b0a-70273297561e" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_00f37689-1982-1c68-c80b-43003f810247" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/IncomeTaxesSummaryOfIncomeTaxBenefitDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_816edbc5-9d4b-113c-7ce2-6c08dd555314" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_816edbc5-9d4b-113c-7ce2-6c08dd555314" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_b975ff9b-a11f-f2b5-e104-e0266dbbbfc6" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_816edbc5-9d4b-113c-7ce2-6c08dd555314" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_b975ff9b-a11f-f2b5-e104-e0266dbbbfc6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_4d365c95-da3d-c3cb-6f6b-7945d285af9f" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_816edbc5-9d4b-113c-7ce2-6c08dd555314" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_4d365c95-da3d-c3cb-6f6b-7945d285af9f" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e8a9abf2-38d3-77d1-fb6b-693fef632294" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_97bbae57-7f84-4da9-acab-610e56204929" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e8a9abf2-38d3-77d1-fb6b-693fef632294" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_650e6c8f-1409-4de1-126f-784909f82e64" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e8a9abf2-38d3-77d1-fb6b-693fef632294" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_650e6c8f-1409-4de1-126f-784909f82e64" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_10aa09ac-60b4-bd88-6c3b-c85b3f0fbf0a" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_e8a9abf2-38d3-77d1-fb6b-693fef632294" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_10aa09ac-60b4-bd88-6c3b-c85b3f0fbf0a" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/IncomeTaxesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/PropertiesAndEquipmentNet" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/PropertiesAndEquipmentNetComponentsOfNetPropertyAndEquipmentDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_f37ad080-c77a-efc5-c936-389b16abc420" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_78662f7f-2a6a-5d68-ba8a-7947ed287be5" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_f37ad080-c77a-efc5-c936-389b16abc420" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_78662f7f-2a6a-5d68-ba8a-7947ed287be5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProvedOilAndGasPropertySuccessfulEffortMethod" xlink:label="loc_us-gaap_ProvedOilAndGasPropertySuccessfulEffortMethod_9c198544-7119-6355-91a5-0db8c02a6c74" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_78662f7f-2a6a-5d68-ba8a-7947ed287be5" xlink:to="loc_us-gaap_ProvedOilAndGasPropertySuccessfulEffortMethod_9c198544-7119-6355-91a5-0db8c02a6c74" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnprovedOilAndGasPropertySuccessfulEffortMethod" xlink:label="loc_us-gaap_UnprovedOilAndGasPropertySuccessfulEffortMethod_472be1b0-a628-b5b6-23b2-9be5f17f61a7" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_78662f7f-2a6a-5d68-ba8a-7947ed287be5" xlink:to="loc_us-gaap_UnprovedOilAndGasPropertySuccessfulEffortMethod_472be1b0-a628-b5b6-23b2-9be5f17f61a7" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_GatheringAndPipelineSystems" xlink:label="loc_cog_GatheringAndPipelineSystems_36265d22-8800-e63c-4328-5bbbec9e2808" xlink:type="locator" />
    <link:calculationArc order="3" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_78662f7f-2a6a-5d68-ba8a-7947ed287be5" xlink:to="loc_cog_GatheringAndPipelineSystems_36265d22-8800-e63c-4328-5bbbec9e2808" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOther" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentOther_2f914118-e857-a5a9-c70c-bdd7d30a80df" xlink:type="locator" />
    <link:calculationArc order="4" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_78662f7f-2a6a-5d68-ba8a-7947ed287be5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentOther_2f914118-e857-a5a9-c70c-bdd7d30a80df" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_0a08cda9-11b3-e7ac-3fc9-3a23c67d9b96" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_f37ad080-c77a-efc5-c936-389b16abc420" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_0a08cda9-11b3-e7ac-3fc9-3a23c67d9b96" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/PropertiesAndEquipmentNetNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/PropertiesAndEquipmentNetScheduleOfAgingOfCapitalizedExploratoryCostsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalizedExploratoryWellCosts" xlink:label="loc_us-gaap_CapitalizedExploratoryWellCosts_ad099131-4abb-0e4a-e30b-800a6a8b3e1a" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess" xlink:label="loc_us-gaap_CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess_37edb351-2067-be2a-ab3a-877cf452ac0e" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizedExploratoryWellCosts_ad099131-4abb-0e4a-e30b-800a6a8b3e1a" xlink:to="loc_us-gaap_CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess_37edb351-2067-be2a-ab3a-877cf452ac0e" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear" xlink:label="loc_us-gaap_CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear_ad0a2974-3ca0-6004-3c4a-b319974bbd2c" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizedExploratoryWellCosts_ad099131-4abb-0e4a-e30b-800a6a8b3e1a" xlink:to="loc_us-gaap_CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear_ad0a2974-3ca0-6004-3c4a-b319974bbd2c" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/PropertiesAndEquipmentNetScheduleOfNetChangesInCapitalizedExploratoryWellCostsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/PropertiesAndEquipmentNetSummaryOfAssetsHeldForSaleDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_6f4d572d-1de4-6da1-41ba-882881f4ba1e" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_672ec469-d9ef-243b-20f2-585387010cf4" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_6f4d572d-1de4-6da1-41ba-882881f4ba1e" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_672ec469-d9ef-243b-20f2-585387010cf4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1_3079062a-7211-9ff0-9c1a-80823a3497b7" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_672ec469-d9ef-243b-20f2-585387010cf4" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1_3079062a-7211-9ff0-9c1a-80823a3497b7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_75ee4487-28fe-fa14-47e8-c275dec35260" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_672ec469-d9ef-243b-20f2-585387010cf4" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment_75ee4487-28fe-fa14-47e8-c275dec35260" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_197c47d4-bc5c-2203-067f-02363a4fbfd8" xlink:type="locator" />
    <link:calculationArc order="2" weight="-1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_6f4d572d-1de4-6da1-41ba-882881f4ba1e" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_197c47d4-bc5c-2203-067f-02363a4fbfd8" xlink:type="arc" />
    <link:loc xlink:href="cog-20181231.xsd#cog_DisposalGroupIncludingDiscontinuedOperationAssetRetirementObligations" xlink:label="loc_cog_DisposalGroupIncludingDiscontinuedOperationAssetRetirementObligations_09712f5b-315b-4931-f1ca-5bbbecf8f3b7" xlink:type="locator" />
    <link:calculationArc order="1" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_197c47d4-bc5c-2203-067f-02363a4fbfd8" xlink:to="loc_cog_DisposalGroupIncludingDiscontinuedOperationAssetRetirementObligations_09712f5b-315b-4931-f1ca-5bbbecf8f3b7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities_e0b51552-6761-8dca-7c9d-78b561cae4ce" xlink:type="locator" />
    <link:calculationArc order="2" weight="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_197c47d4-bc5c-2203-067f-02363a4fbfd8" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilities_e0b51552-6761-8dca-7c9d-78b561cae4ce" xlink:type="arc" />
  </link:calculationLink>
  <link:calculationLink xlink:role="http://www.cabotog.com/role/PropertiesAndEquipmentNetTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/StockBasedCompensation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/StockBasedCompensationAssumptionsForShareBasedAwardsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/StockBasedCompensationNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/StockBasedCompensationScheduleOfPerformanceAwardsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/StockBasedCompensationScheduleOfRestrictedStockAwardsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/StockBasedCompensationScheduleOfRestrictedUnitsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/StockBasedCompensationScheduleOfStockAppreciationRightsDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/StockBasedCompensationTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/SummaryOfSignificantAccountingPoliciesDisaggregationOfRevenueDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/SupplementalCashFlowInformation" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/SupplementalCashFlowInformationScheduleOfSupplementalCashFlowInformationDetails" xlink:type="extended" />
  <link:calculationLink xlink:role="http://www.cabotog.com/role/SupplementalCashFlowInformationTables" xlink:type="extended" />
</link:linkbase>
