2020-12-31falseEcovyst Inc.0001708035DEPAThe closing of the transaction triggered the Company’s obligation to provide partial repayment under both its Amended and Restated Term Loan Credit Agreement, dated May 4, 2016, and its New Term Loan Credit Agreement, dated as of July 22, 2020. As such, interest expense has been allocated to discontinued operations on the basis of the Company’s mandatory repayment of $275,787 of the Senior Secured Term Loan Facility due February 2027 and its mandatory payment of $188,722 of the New Senior Secured Term Loan Facility due February 2027.Upon the close of the transaction, the Company used a portion of the net proceeds to repay a portion of its outstanding debt amounting to $526,363, which represented the entire Senior Secured Term Loan Facility due February 2027 of $231,363 and the 5.750% Senior Unsecured notes due 2025 of $295,000. At December 31, 2020, the Company’s outstanding term loans had mandatory repayment provisions, and as a result, interest expense was allocated to discontinued operations for all periods presented on the basis of the Company’s estimated debt reduction of $500,000. Excludes the Company’s proportionate share of capital expenditures from the Zeolyst Joint Venture.Includes corporate capital expenditures, the cash impact from changes in capital expenditures in accounts payable and capitalized interest.Includes only plans not frozen to benefit accruals for the respective periods. 0001708035 2020-01-01 2020-12-31 0001708035 2019-01-01 2019-12-31 0001708035 2018-01-01 2018-12-31 0001708035 2020-12-31 0001708035 2019-12-31 0001708035 2020-12-14 2020-12-14 0001708035 2020-03-12 0001708035 2016-05-04 0001708035 2020-07-22 2020-07-22 0001708035 2018-12-31 0001708035 2017-12-11 2017-12-11 0001708035 2014-12-01 0001708035 2019-01-01 2019-03-31 0001708035 2019-04-01 2019-06-30 0001708035 2019-07-01 2019-09-30 0001708035 2019-10-01 2019-12-31 0001708035 2020-01-01 2020-03-31 0001708035 2020-04-01 2020-06-30 0001708035 2020-07-01 2020-09-30 0001708035 2020-10-01 2020-12-31 0001708035 2017-12-31 0001708035 ecvt:PerformanceChemicalsMember 2020-01-01 2020-12-31 0001708035 us-gaap:DiscontinuedOperationsDisposedOfBySaleMember 2020-01-01 2020-12-31 0001708035 ecvt:EcoservicesMember ecvt:IndustrialandChemicalProcessMember 2020-01-01 2020-12-31 0001708035 ecvt:CatalystTechnologiesMember ecvt:IndustrialandChemicalProcessMember 2020-01-01 2020-12-31 0001708035 ecvt:IndustrialandChemicalProcessMember 2020-01-01 2020-12-31 0001708035 ecvt:EcoservicesMember ecvt:FuelsandEmissionControlsMember 2020-01-01 2020-12-31 0001708035 ecvt:FuelsandEmissionControlsMember 2020-01-01 2020-12-31 0001708035 ecvt:EcoservicesMember ecvt:PackagingandEngineeringPlasticsMember 2020-01-01 2020-12-31 0001708035 ecvt:CatalystTechnologiesMember ecvt:PackagingandEngineeringPlasticsMember 2020-01-01 2020-12-31 0001708035 ecvt:PackagingandEngineeringPlasticsMember 2020-01-01 2020-12-31 0001708035 ecvt:EcoservicesMember ecvt:NaturalResourcesMember 2020-01-01 2020-12-31 0001708035 ecvt:NaturalResourcesMember 2020-01-01 2020-12-31 0001708035 ecvt:EcoservicesMember 2020-01-01 2020-12-31 0001708035 ecvt:CatalystTechnologiesMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetGainLossIncludingPortionAttributableToNoncontrollingInterestMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceIncludingPortionAttributableToNoncontrollingInterestMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember 2020-01-01 2020-12-31 0001708035 us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember 2020-01-01 2020-12-31 0001708035 us-gaap:InterestRateCapMember 2020-01-01 2020-12-31 0001708035 us-gaap:InterestRateCapMember us-gaap:InterestExpenseMember 2020-01-01 2020-12-31 0001708035 us-gaap:CrossCurrencyInterestRateContractMember 2020-01-01 2020-12-31 0001708035 us-gaap:OperatingSegmentsMember ecvt:EcoservicesMember 2020-01-01 2020-12-31 0001708035 us-gaap:OperatingSegmentsMember ecvt:CatalystTechnologiesMember 2020-01-01 2020-12-31 0001708035 ecvt:ZeolystJointVentureMember ecvt:CatalystTechnologiesMember 2020-01-01 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember 2020-01-01 2020-12-31 0001708035 us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember 2020-01-01 2020-12-31 0001708035 ecvt:MonteCarloSimulationMember 2020-01-01 2020-12-31 0001708035 us-gaap:SaleOfSubsidiaryGainLossMember 2020-01-01 2020-12-31 0001708035 us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember 2020-01-01 2020-12-31 0001708035 ecvt:PQHoldingsEcoServicesMember 2020-01-01 2020-12-31 0001708035 us-gaap:InterestRateCapMember us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedTranslationAdjustmentMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2020-01-01 2020-12-31 0001708035 us-gaap:RestrictedStockUnitsRSUMember srt:DirectorMember 2020-01-01 2020-12-31 0001708035 us-gaap:RestrictedStockUnitsRSUMember ecvt:EmployeeMember 2020-01-01 2020-12-31 0001708035 us-gaap:RestrictedStockUnitsRSUMember 2020-01-01 2020-12-31 0001708035 us-gaap:RestrictedStockMember 2020-01-01 2020-12-31 0001708035 us-gaap:PerformanceSharesMember 2020-01-01 2020-12-31 0001708035 us-gaap:OperatingSegmentsMember 2020-01-01 2020-12-31 0001708035 us-gaap:RetainedEarningsMember 2020-01-01 2020-12-31 0001708035 us-gaap:NoncontrollingInterestMember 2020-01-01 2020-12-31 0001708035 us-gaap:CommodityContractMember us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2020-01-01 2020-12-31 0001708035 srt:MinimumMember ecvt:PerformanceStockUnitsMember 2020-01-01 2020-12-31 0001708035 ecvt:PerformanceStockUnitsMember srt:MaximumMember 2020-01-01 2020-12-31 0001708035 ecvt:PerformanceStockUnitsMember ecvt:SharebasedCompensationAwardTrancheFourMember 2020-01-01 2020-12-31 0001708035 ecvt:InterestIncomeExpenseMember 2020-01-01 2020-12-31 0001708035 us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2020-01-01 2020-12-31 0001708035 us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember 2020-01-01 2020-12-31 0001708035 us-gaap:TreasuryStockMember 2020-01-01 2020-12-31 0001708035 us-gaap:MaterialReconcilingItemsMember 2020-01-01 2020-12-31 0001708035 ecvt:PerformanceStockUnitsMember 2020-01-01 2020-12-31 0001708035 us-gaap:AdditionalPaidInCapitalMember 2020-01-01 2020-12-31 0001708035 us-gaap:UnsecuredDebtMember ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesdue2025Member 2020-01-01 2020-12-31 0001708035 us-gaap:MediumTermNotesMember 2020-01-01 2020-12-31 0001708035 ecvt:NewTermLoanFacilityMember us-gaap:MediumTermNotesMember 2020-01-01 2020-12-31 0001708035 ecvt:A2020TermLoanFacilityMember us-gaap:DiscontinuedOperationsDisposedOfBySaleMember 2020-01-01 2020-12-31 0001708035 us-gaap:CorporateNonSegmentMember 2020-01-01 2020-12-31 0001708035 srt:ParentCompanyMember 2020-01-01 2020-12-31 0001708035 srt:MaximumMember 2020-01-01 2020-12-31 0001708035 us-gaap:DomesticCountryMember 2020-01-01 2020-12-31 0001708035 us-gaap:ForeignCountryMember 2020-01-01 2020-12-31 0001708035 us-gaap:UnsecuredDebtMember ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesdue2025Member us-gaap:DebtInstrumentRedemptionPeriodOneMember 2020-01-01 2020-12-31 0001708035 us-gaap:UnsecuredDebtMember ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesdue2025Member us-gaap:DebtInstrumentRedemptionPeriodTwoMember 2020-01-01 2020-12-31 0001708035 us-gaap:UnsecuredDebtMember ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesdue2025Member us-gaap:DebtInstrumentRedemptionPeriodThreeMember 2020-01-01 2020-12-31 0001708035 ecvt:SixPointSevenFivePercentSeniorSecuredNotesDue2022Member us-gaap:SeniorNotesMember us-gaap:DebtInstrumentRedemptionPeriodTwoMember 2020-01-01 2020-12-31 0001708035 ecvt:SixPointSevenFivePercentSeniorSecuredNotesDue2022Member us-gaap:SeniorNotesMember us-gaap:DebtInstrumentRedemptionPeriodThreeMember 2020-01-01 2020-12-31 0001708035 us-gaap:ValuationAllowanceOfDeferredTaxAssetsMember 2020-01-01 2020-12-31 0001708035 us-gaap:LondonInterbankOfferedRateLIBORMember us-gaap:LineOfCreditMember srt:MinimumMember 2020-01-01 2020-12-31 0001708035 us-gaap:LondonInterbankOfferedRateLIBORMember us-gaap:LineOfCreditMember srt:MaximumMember 2020-01-01 2020-12-31 0001708035 us-gaap:BaseRateMember us-gaap:LineOfCreditMember srt:MinimumMember 2020-01-01 2020-12-31 0001708035 us-gaap:BaseRateMember us-gaap:LineOfCreditMember srt:MaximumMember 2020-01-01 2020-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:OperatingLeaseRentalPaymentsMember 2020-01-01 2020-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:ManufacturingCostsMember 2020-01-01 2020-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:ServicesMember 2020-01-01 2020-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:ProductDemonstrationCostsMember 2020-01-01 2020-12-31 0001708035 ecvt:IneosCapitalPartnersMember 2020-01-01 2020-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:SalesFromPartnershipToCompanyMember 2020-01-01 2020-12-31 0001708035 ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesdue2025Member ecvt:ChangeOfControlMember us-gaap:UnsecuredDebtMember 2020-01-01 2020-12-31 0001708035 us-gaap:CommonStockMember 2020-01-01 2020-12-31 0001708035 ecvt:NewTermLoanFacilityMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember us-gaap:DiscontinuedOperationsDisposedOfBySaleMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember us-gaap:DiscontinuedOperationsDisposedOfBySaleMember 2020-01-01 2020-12-31 0001708035 us-gaap:AccumulatedTranslationAdjustmentMember us-gaap:DiscontinuedOperationsDisposedOfBySaleMember 2020-01-01 2020-12-31 0001708035 us-gaap:DiscontinuedOperationsDisposedOfBySaleMember us-gaap:AccumulatedOtherComprehensiveIncomeMember 2020-01-01 2020-12-31 0001708035 us-gaap:RestrictedStockMember 2020-01-01 2020-12-31 0001708035 us-gaap:PerformanceSharesMember 2020-01-01 2020-12-31 0001708035 ecvt:RestrictedStockRestrictedStockUnitsRSUsandPerformanceStockUnitsPSUsMember 2020-01-01 2020-12-31 0001708035 us-gaap:EmployeeStockOptionMember 2020-01-01 2020-12-31 0001708035 us-gaap:BuildingAndBuildingImprovementsMember srt:MinimumMember 2020-01-01 2020-12-31 0001708035 us-gaap:BuildingAndBuildingImprovementsMember srt:MaximumMember 2020-01-01 2020-12-31 0001708035 us-gaap:MachineryAndEquipmentMember srt:MinimumMember 2020-01-01 2020-12-31 0001708035 us-gaap:MachineryAndEquipmentMember srt:MaximumMember 2020-01-01 2020-12-31 0001708035 us-gaap:CostOfSalesMember 2020-01-01 2020-12-31 0001708035 us-gaap:OtherOperatingIncomeExpenseMember 2020-01-01 2020-12-31 0001708035 us-gaap:IntellectualPropertyMember srt:MinimumMember 2020-01-01 2020-12-31 0001708035 us-gaap:IntellectualPropertyMember srt:MaximumMember 2020-01-01 2020-12-31 0001708035 us-gaap:CustomerRelationshipsMember srt:MinimumMember 2020-01-01 2020-12-31 0001708035 us-gaap:CustomerRelationshipsMember srt:MaximumMember 2020-01-01 2020-12-31 0001708035 us-gaap:TrademarksMember srt:MinimumMember 2020-01-01 2020-12-31 0001708035 us-gaap:TrademarksMember srt:MaximumMember 2020-01-01 2020-12-31 0001708035 ecvt:PermitsMember 2020-01-01 2020-12-31 0001708035 us-gaap:EmployeeStockOptionMember 2020-01-01 2020-12-31 0001708035 us-gaap:EquityMethodInvesteeMember 2020-01-01 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember country:US 2020-01-01 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:ForeignPlanMember 2020-01-01 2020-12-31 0001708035 ecvt:EcoServicesMember us-gaap:OperatingSegmentsMember 2020-01-01 2020-12-31 0001708035 us-gaap:CorporateMember us-gaap:OperatingSegmentsMember 2020-01-01 2020-12-31 0001708035 country:US 2020-01-01 2020-12-31 0001708035 ecvt:OtherForeignCountriesMember 2020-01-01 2020-12-31 0001708035 us-gaap:SalesRevenueNetMember ecvt:CustomerAMember 2020-01-01 2020-12-31 0001708035 ecvt:PerformanceChemicalsMember 2020-12-31 0001708035 us-gaap:FairValueMeasurementsRecurringMember 2020-12-31 0001708035 us-gaap:FairValueMeasurementsRecurringMember us-gaap:FairValueInputsLevel1Member 2020-12-31 0001708035 us-gaap:FairValueMeasurementsRecurringMember us-gaap:FairValueInputsLevel2Member 2020-12-31 0001708035 us-gaap:FairValueMeasurementsRecurringMember us-gaap:FairValueInputsLevel3Member 2020-12-31 0001708035 ecvt:ZeolystInternationalMember 2020-12-31 0001708035 ecvt:ZeolystC.V.Member 2020-12-31 0001708035 ecvt:PQHoldingsEcoServicesMember 2020-12-31 0001708035 us-gaap:LandMember 2020-12-31 0001708035 us-gaap:BuildingMember 2020-12-31 0001708035 us-gaap:MachineryAndEquipmentMember 2020-12-31 0001708035 us-gaap:ConstructionInProgressMember 2020-12-31 0001708035 ecvt:TermLoanAndSeniorNotesMember 2020-12-31 0001708035 us-gaap:MediumTermNotesMember 2020-12-31 0001708035 us-gaap:MediumTermNotesMember ecvt:NewTermLoanFacilityMember 2020-12-31 0001708035 us-gaap:SeniorNotesMember ecvt:SixPointSevenFivePercentSeniorSecuredNotesDue2022Member 2020-12-31 0001708035 us-gaap:SeniorNotesMember ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesdue2025Member 2020-12-31 0001708035 us-gaap:LineOfCreditMember 2020-12-31 0001708035 us-gaap:AccruedLiabilitiesMember us-gaap:DesignatedAsHedgingInstrumentMember us-gaap:InterestRateCapMember us-gaap:CashFlowHedgingMember 2020-12-31 0001708035 us-gaap:OtherNoncurrentLiabilitiesMember us-gaap:DesignatedAsHedgingInstrumentMember us-gaap:InterestRateCapMember us-gaap:CashFlowHedgingMember 2020-12-31 0001708035 us-gaap:DesignatedAsHedgingInstrumentMember us-gaap:CashFlowHedgingMember 2020-12-31 0001708035 us-gaap:NetInvestmentHedgingMember us-gaap:CrossCurrencyInterestRateContractMember 2020-12-31 0001708035 us-gaap:RestrictedStockUnitsRSUMember 2020-12-31 0001708035 ecvt:PerformanceStockUnitsMember 2020-12-31 0001708035 currency:EUR 2020-12-31 0001708035 currency:USD 2020-12-31 0001708035 currency:CAD 2020-12-31 0001708035 us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOtherMember 2020-12-31 0001708035 us-gaap:DiscontinuedOperationsDisposedOfBySaleMember 2020-12-31 0001708035 us-gaap:DomesticCountryMember 2020-12-31 0001708035 us-gaap:DomesticCountryMember ecvt:TaxYearsPriorto2014ChangeInControlMemberMember 2020-12-31 0001708035 us-gaap:DomesticCountryMember ecvt:TaxYearsAfter2014ChangeInControlMemberMember 2020-12-31 0001708035 us-gaap:StateAndLocalJurisdictionMember 2020-12-31 0001708035 ecvt:SubsurfaceRemediationAndWetlandsManagementMember 2020-12-31 0001708035 ecvt:SubsurfaceRemediationAndSoilVaporExtractionMember 2020-12-31 0001708035 us-gaap:RevolvingCreditFacilityMember 2020-12-31 0001708035 srt:ParentCompanyMember 2020-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember 2020-12-31 0001708035 us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2020-12-31 0001708035 us-gaap:AccumulatedTranslationAdjustmentMember 2020-12-31 0001708035 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2020-12-31 0001708035 us-gaap:CustomerRelationshipsMember 2020-12-31 0001708035 us-gaap:TrademarksMember 2020-12-31 0001708035 ecvt:PermitsMember 2020-12-31 0001708035 us-gaap:IntellectualPropertyMember 2020-12-31 0001708035 us-gaap:FiniteLivedIntangibleAssetsMember 2020-12-31 0001708035 us-gaap:TradeNamesMember 2020-12-31 0001708035 us-gaap:InProcessResearchAndDevelopmentMember 2020-12-31 0001708035 us-gaap:EmployeeStockOptionMember 2020-12-31 0001708035 ecvt:TwoThousandSeventeenOmnibusPlanMember 2020-12-31 0001708035 us-gaap:EquityMethodInvesteeMember 2020-12-31 0001708035 ecvt:BusinessCombinationsMember 2020-12-31 0001708035 ecvt:EcoservicesMember 2020-12-31 0001708035 us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember 2020-12-31 0001708035 country:US us-gaap:PensionPlansDefinedBenefitMember 2020-12-31 0001708035 us-gaap:ForeignPlanMember us-gaap:PensionPlansDefinedBenefitMember 2020-12-31 0001708035 us-gaap:UnfundedPlanMember 2020-12-31 0001708035 country:US 2020-12-31 0001708035 ecvt:OtherForeignCountriesMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:DefinedBenefitPlanCashAndCashEquivalentsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member us-gaap:DefinedBenefitPlanCashAndCashEquivalentsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member us-gaap:DefinedBenefitPlanCashAndCashEquivalentsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member us-gaap:DefinedBenefitPlanCashAndCashEquivalentsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:U.S.InvestmentFundsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member ecvt:U.S.InvestmentFundsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member ecvt:U.S.InvestmentFundsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member ecvt:U.S.InvestmentFundsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:InternationalInvestmentFundsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member ecvt:InternationalInvestmentFundsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member ecvt:InternationalInvestmentFundsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member ecvt:InternationalInvestmentFundsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:GovernmentSecuritiesMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member ecvt:GovernmentSecuritiesMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member ecvt:GovernmentSecuritiesMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member ecvt:GovernmentSecuritiesMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:CorporateBondsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member ecvt:CorporateBondsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member ecvt:CorporateBondsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member ecvt:CorporateBondsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:InsuranceContractsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member ecvt:InsuranceContractsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member ecvt:InsuranceContractsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member ecvt:InsuranceContractsMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:DefinedBenefitPlanEquitySecuritiesMember ecvt:PqCorporationRetirementPlanMember 2020-12-31 0001708035 ecvt:PqCorporationRetirementPlanMember us-gaap:PensionPlansDefinedBenefitMember us-gaap:FixedIncomeSecuritiesMember 2020-12-31 0001708035 ecvt:EcoServicesPensionEquityPlanMember us-gaap:PensionPlansDefinedBenefitMember us-gaap:DefinedBenefitPlanEquitySecuritiesMember 2020-12-31 0001708035 ecvt:EcoServicesPensionEquityPlanMember us-gaap:PensionPlansDefinedBenefitMember us-gaap:FixedIncomeSecuritiesMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:EcoServicesHourlyPensionPlanMember us-gaap:DefinedBenefitPlanEquitySecuritiesMember 2020-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:EcoServicesHourlyPensionPlanMember us-gaap:FixedIncomeSecuritiesMember 2020-12-31 0001708035 ecvt:PerformanceMaterialsMember 2020-12-14 0001708035 us-gaap:SubsequentEventMember us-gaap:SeniorNotesMember ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesDue2025MemberMember 2021-02-28 0001708035 us-gaap:SubsequentEventMember us-gaap:MediumTermNotesMember 2021-02-28 0001708035 ecvt:PerformanceChemicalsMember 2021-02-28 2021-02-28 0001708035 us-gaap:SubsequentEventMember 2021-02-28 2021-02-28 0001708035 us-gaap:DiscontinuedOperationsDisposedOfBySaleMember 2019-01-01 2019-12-31 0001708035 ecvt:PerformanceChemicalsMember 2019-01-01 2019-12-31 0001708035 ecvt:EcoservicesMember ecvt:IndustrialandChemicalProcessMember 2019-01-01 2019-12-31 0001708035 ecvt:CatalystTechnologiesMember ecvt:IndustrialandChemicalProcessMember 2019-01-01 2019-12-31 0001708035 ecvt:IndustrialandChemicalProcessMember 2019-01-01 2019-12-31 0001708035 ecvt:EcoservicesMember ecvt:FuelsandEmissionControlsMember 2019-01-01 2019-12-31 0001708035 ecvt:FuelsandEmissionControlsMember 2019-01-01 2019-12-31 0001708035 ecvt:EcoservicesMember ecvt:PackagingandEngineeringPlasticsMember 2019-01-01 2019-12-31 0001708035 ecvt:CatalystTechnologiesMember ecvt:PackagingandEngineeringPlasticsMember 2019-01-01 2019-12-31 0001708035 ecvt:PackagingandEngineeringPlasticsMember 2019-01-01 2019-12-31 0001708035 ecvt:EcoservicesMember ecvt:NaturalResourcesMember 2019-01-01 2019-12-31 0001708035 ecvt:NaturalResourcesMember 2019-01-01 2019-12-31 0001708035 ecvt:EcoservicesMember 2019-01-01 2019-12-31 0001708035 ecvt:CatalystTechnologiesMember 2019-01-01 2019-12-31 0001708035 us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember 2019-01-01 2019-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetGainLossIncludingPortionAttributableToNoncontrollingInterestMember 2019-01-01 2019-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceIncludingPortionAttributableToNoncontrollingInterestMember 2019-01-01 2019-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember 2019-01-01 2019-12-31 0001708035 us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember 2019-01-01 2019-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember 2019-01-01 2019-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember 2019-01-01 2019-12-31 0001708035 us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember 2019-01-01 2019-12-31 0001708035 us-gaap:InterestRateCapMember 2019-01-01 2019-12-31 0001708035 us-gaap:InterestRateCapMember us-gaap:InterestExpenseMember 2019-01-01 2019-12-31 0001708035 us-gaap:CrossCurrencyInterestRateContractMember 2019-01-01 2019-12-31 0001708035 us-gaap:OperatingSegmentsMember ecvt:EcoservicesMember 2019-01-01 2019-12-31 0001708035 us-gaap:OperatingSegmentsMember ecvt:CatalystTechnologiesMember 2019-01-01 2019-12-31 0001708035 ecvt:ZeolystJointVentureMember ecvt:CatalystTechnologiesMember 2019-01-01 2019-12-31 0001708035 us-gaap:SaleOfSubsidiaryGainLossMember 2019-01-01 2019-12-31 0001708035 us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember 2019-01-01 2019-12-31 0001708035 ecvt:PQHoldingsEcoServicesMember 2019-01-01 2019-12-31 0001708035 us-gaap:InterestRateCapMember us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2019-01-01 2019-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember 2019-01-01 2019-12-31 0001708035 us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember 2019-01-01 2019-12-31 0001708035 us-gaap:AccumulatedTranslationAdjustmentMember 2019-01-01 2019-12-31 0001708035 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2019-01-01 2019-12-31 0001708035 us-gaap:RestrictedStockUnitsRSUMember 2019-01-01 2019-12-31 0001708035 us-gaap:RestrictedStockMember 2019-01-01 2019-12-31 0001708035 us-gaap:PerformanceSharesMember 2019-01-01 2019-12-31 0001708035 us-gaap:OperatingSegmentsMember 2019-01-01 2019-12-31 0001708035 us-gaap:RetainedEarningsMember 2019-01-01 2019-12-31 0001708035 us-gaap:NoncontrollingInterestMember 2019-01-01 2019-12-31 0001708035 us-gaap:CommodityContractMember us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2019-01-01 2019-12-31 0001708035 ecvt:InterestIncomeExpenseMember 2019-01-01 2019-12-31 0001708035 us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2019-01-01 2019-12-31 0001708035 us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember 2019-01-01 2019-12-31 0001708035 us-gaap:TreasuryStockMember 2019-01-01 2019-12-31 0001708035 us-gaap:MaterialReconcilingItemsMember 2019-01-01 2019-12-31 0001708035 us-gaap:MediumTermNotesMember ecvt:NewTermLoanFacilityMember 2019-01-01 2019-12-31 0001708035 us-gaap:AdditionalPaidInCapitalMember 2019-01-01 2019-12-31 0001708035 us-gaap:CorporateNonSegmentMember 2019-01-01 2019-12-31 0001708035 srt:ParentCompanyMember 2019-01-01 2019-12-31 0001708035 us-gaap:DomesticCountryMember 2019-01-01 2019-12-31 0001708035 us-gaap:ForeignCountryMember 2019-01-01 2019-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:OperatingLeaseRentalPaymentsMember 2019-01-01 2019-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:ManufacturingCostsMember 2019-01-01 2019-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:ServicesMember 2019-01-01 2019-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:ProductDemonstrationCostsMember 2019-01-01 2019-12-31 0001708035 ecvt:IneosCapitalPartnersMember 2019-01-01 2019-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:SalesFromPartnershipToCompanyMember 2019-01-01 2019-12-31 0001708035 ecvt:EventOfDefaultMember srt:MinimumMember us-gaap:UnsecuredDebtMember ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesdue2025Member 2019-01-01 2019-12-31 0001708035 us-gaap:CommonStockMember 2019-01-01 2019-12-31 0001708035 us-gaap:RestrictedStockMember 2019-01-01 2019-12-31 0001708035 us-gaap:PerformanceSharesMember 2019-01-01 2019-12-31 0001708035 ecvt:RestrictedStockRestrictedStockUnitsRSUsandPerformanceStockUnitsPSUsMember 2019-01-01 2019-12-31 0001708035 us-gaap:EmployeeStockOptionMember 2019-01-01 2019-12-31 0001708035 us-gaap:CostOfSalesMember 2019-01-01 2019-12-31 0001708035 us-gaap:OtherOperatingIncomeExpenseMember 2019-01-01 2019-12-31 0001708035 us-gaap:EmployeeStockOptionMember 2019-01-01 2019-12-31 0001708035 us-gaap:EquityMethodInvesteeMember 2019-01-01 2019-12-31 0001708035 us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember 2019-01-01 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember country:US 2019-01-01 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:ForeignPlanMember 2019-01-01 2019-12-31 0001708035 ecvt:EcoServicesMember us-gaap:OperatingSegmentsMember 2019-01-01 2019-12-31 0001708035 us-gaap:CorporateMember us-gaap:OperatingSegmentsMember 2019-01-01 2019-12-31 0001708035 country:US 2019-01-01 2019-12-31 0001708035 ecvt:OtherForeignCountriesMember 2019-01-01 2019-12-31 0001708035 us-gaap:SalesRevenueNetMember ecvt:CustomerAMember 2019-01-01 2019-12-31 0001708035 us-gaap:DiscontinuedOperationsDisposedOfBySaleMember 2018-01-01 2018-12-31 0001708035 ecvt:PerformanceChemicalsMember 2018-01-01 2018-12-31 0001708035 ecvt:EcoservicesMember ecvt:IndustrialandChemicalProcessMember 2018-01-01 2018-12-31 0001708035 ecvt:CatalystTechnologiesMember ecvt:IndustrialandChemicalProcessMember 2018-01-01 2018-12-31 0001708035 ecvt:IndustrialandChemicalProcessMember 2018-01-01 2018-12-31 0001708035 ecvt:EcoservicesMember ecvt:FuelsandEmissionControlsMember 2018-01-01 2018-12-31 0001708035 ecvt:FuelsandEmissionControlsMember 2018-01-01 2018-12-31 0001708035 ecvt:EcoservicesMember ecvt:PackagingandEngineeringPlasticsMember 2018-01-01 2018-12-31 0001708035 ecvt:CatalystTechnologiesMember ecvt:PackagingandEngineeringPlasticsMember 2018-01-01 2018-12-31 0001708035 ecvt:PackagingandEngineeringPlasticsMember 2018-01-01 2018-12-31 0001708035 ecvt:EcoservicesMember ecvt:NaturalResourcesMember 2018-01-01 2018-12-31 0001708035 ecvt:NaturalResourcesMember 2018-01-01 2018-12-31 0001708035 ecvt:EcoservicesMember 2018-01-01 2018-12-31 0001708035 ecvt:CatalystTechnologiesMember 2018-01-01 2018-12-31 0001708035 us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember 2018-01-01 2018-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetGainLossIncludingPortionAttributableToNoncontrollingInterestMember 2018-01-01 2018-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceIncludingPortionAttributableToNoncontrollingInterestMember 2018-01-01 2018-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterestMember 2018-01-01 2018-12-31 0001708035 us-gaap:AccumulatedNetGainLossFromCashFlowHedgesIncludingPortionAttributableToNoncontrollingInterestMember 2018-01-01 2018-12-31 0001708035 us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember 2018-01-01 2018-12-31 0001708035 us-gaap:InterestRateCapMember 2018-01-01 2018-12-31 0001708035 us-gaap:InterestRateCapMember us-gaap:InterestExpenseMember 2018-01-01 2018-12-31 0001708035 us-gaap:CrossCurrencyInterestRateContractMember 2018-01-01 2018-12-31 0001708035 us-gaap:OperatingSegmentsMember ecvt:EcoservicesMember 2018-01-01 2018-12-31 0001708035 us-gaap:OperatingSegmentsMember ecvt:CatalystTechnologiesMember 2018-01-01 2018-12-31 0001708035 ecvt:ZeolystJointVentureMember ecvt:CatalystTechnologiesMember 2018-01-01 2018-12-31 0001708035 us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember 2018-01-01 2018-12-31 0001708035 ecvt:PQHoldingsEcoServicesMember 2018-01-01 2018-12-31 0001708035 us-gaap:SaleOfSubsidiaryGainLossMember 2018-01-01 2018-12-31 0001708035 us-gaap:RestrictedStockUnitsRSUMember 2018-01-01 2018-12-31 0001708035 us-gaap:RestrictedStockMember 2018-01-01 2018-12-31 0001708035 us-gaap:PerformanceSharesMember 2018-01-01 2018-12-31 0001708035 us-gaap:OperatingSegmentsMember 2018-01-01 2018-12-31 0001708035 us-gaap:RetainedEarningsMember 2018-01-01 2018-12-31 0001708035 us-gaap:NoncontrollingInterestMember 2018-01-01 2018-12-31 0001708035 ecvt:InterestIncomeExpenseMember 2018-01-01 2018-12-31 0001708035 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2018-01-01 2018-12-31 0001708035 us-gaap:TreasuryStockMember 2018-01-01 2018-12-31 0001708035 us-gaap:MaterialReconcilingItemsMember 2018-01-01 2018-12-31 0001708035 us-gaap:MediumTermNotesMember ecvt:NewTermLoanFacilityMember 2018-01-01 2018-12-31 0001708035 us-gaap:AdditionalPaidInCapitalMember 2018-01-01 2018-12-31 0001708035 us-gaap:CorporateNonSegmentMember 2018-01-01 2018-12-31 0001708035 srt:ParentCompanyMember 2018-01-01 2018-12-31 0001708035 us-gaap:DomesticCountryMember 2018-01-01 2018-12-31 0001708035 us-gaap:ForeignCountryMember 2018-01-01 2018-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:OperatingLeaseRentalPaymentsMember 2018-01-01 2018-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:ManufacturingCostsMember 2018-01-01 2018-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:ServicesMember 2018-01-01 2018-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:ProductDemonstrationCostsMember 2018-01-01 2018-12-31 0001708035 ecvt:IneosCapitalPartnersMember 2018-01-01 2018-12-31 0001708035 us-gaap:CorporateJointVentureMember ecvt:SalesFromPartnershipToCompanyMember 2018-01-01 2018-12-31 0001708035 us-gaap:CommonStockMember 2018-01-01 2018-12-31 0001708035 ecvt:NewTermLoanFacilityMember 2018-01-01 2018-12-31 0001708035 us-gaap:RestrictedStockMember 2018-01-01 2018-12-31 0001708035 us-gaap:PerformanceSharesMember 2018-01-01 2018-12-31 0001708035 ecvt:RestrictedStockRestrictedStockUnitsRSUsandPerformanceStockUnitsPSUsMember 2018-01-01 2018-12-31 0001708035 us-gaap:EmployeeStockOptionMember 2018-01-01 2018-12-31 0001708035 us-gaap:CostOfSalesMember 2018-01-01 2018-12-31 0001708035 us-gaap:OtherOperatingIncomeExpenseMember 2018-01-01 2018-12-31 0001708035 us-gaap:EmployeeStockOptionMember ecvt:BlackSholesOptionPricingModelMember 2018-01-01 2018-12-31 0001708035 us-gaap:EmployeeStockOptionMember 2018-01-01 2018-12-31 0001708035 us-gaap:EquityMethodInvesteeMember 2018-01-01 2018-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember country:US 2018-01-01 2018-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:ForeignPlanMember 2018-01-01 2018-12-31 0001708035 us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember 2018-01-01 2018-12-31 0001708035 ecvt:EcoServicesMember us-gaap:OperatingSegmentsMember 2018-01-01 2018-12-31 0001708035 us-gaap:CorporateMember us-gaap:OperatingSegmentsMember 2018-01-01 2018-12-31 0001708035 country:US 2018-01-01 2018-12-31 0001708035 ecvt:OtherForeignCountriesMember 2018-01-01 2018-12-31 0001708035 us-gaap:SalesRevenueNetMember ecvt:CustomerAMember 2018-01-01 2018-12-31 0001708035 ecvt:CustomerBMember us-gaap:SalesRevenueNetMember 2018-01-01 2018-12-31 0001708035 ecvt:PerformanceChemicalsMember 2019-12-31 0001708035 us-gaap:FairValueMeasurementsRecurringMember 2019-12-31 0001708035 us-gaap:FairValueMeasurementsRecurringMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001708035 us-gaap:FairValueMeasurementsRecurringMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001708035 us-gaap:FairValueMeasurementsRecurringMember us-gaap:FairValueInputsLevel3Member 2019-12-31 0001708035 ecvt:PQHoldingsEcoServicesMember 2019-12-31 0001708035 us-gaap:LandMember 2019-12-31 0001708035 us-gaap:BuildingMember 2019-12-31 0001708035 us-gaap:MachineryAndEquipmentMember 2019-12-31 0001708035 us-gaap:ConstructionInProgressMember 2019-12-31 0001708035 ecvt:TermLoanAndSeniorNotesMember 2019-12-31 0001708035 us-gaap:MediumTermNotesMember 2019-12-31 0001708035 us-gaap:MediumTermNotesMember ecvt:NewTermLoanFacilityMember 2019-12-31 0001708035 us-gaap:SeniorNotesMember ecvt:SixPointSevenFivePercentSeniorSecuredNotesDue2022Member 2019-12-31 0001708035 us-gaap:SeniorNotesMember ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesdue2025Member 2019-12-31 0001708035 us-gaap:LineOfCreditMember 2019-12-31 0001708035 us-gaap:AccruedLiabilitiesMember us-gaap:DesignatedAsHedgingInstrumentMember us-gaap:InterestRateCapMember us-gaap:CashFlowHedgingMember 2019-12-31 0001708035 us-gaap:OtherNoncurrentLiabilitiesMember us-gaap:DesignatedAsHedgingInstrumentMember us-gaap:InterestRateCapMember us-gaap:CashFlowHedgingMember 2019-12-31 0001708035 us-gaap:DesignatedAsHedgingInstrumentMember us-gaap:CashFlowHedgingMember 2019-12-31 0001708035 us-gaap:SecuredDebtMember ecvt:July2016InterestRateCapMember us-gaap:CashFlowHedgingMember 2019-12-31 0001708035 us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOtherMember 2019-12-31 0001708035 ecvt:SubsurfaceRemediationAndWetlandsManagementMember 2019-12-31 0001708035 ecvt:SubsurfaceRemediationAndSoilVaporExtractionMember 2019-12-31 0001708035 srt:ParentCompanyMember 2019-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember 2019-12-31 0001708035 us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2019-12-31 0001708035 us-gaap:AccumulatedTranslationAdjustmentMember 2019-12-31 0001708035 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2019-12-31 0001708035 us-gaap:IntellectualPropertyMember 2019-12-31 0001708035 us-gaap:CustomerRelationshipsMember 2019-12-31 0001708035 us-gaap:TrademarksMember 2019-12-31 0001708035 us-gaap:FiniteLivedIntangibleAssetsMember 2019-12-31 0001708035 ecvt:PermitsMember 2019-12-31 0001708035 us-gaap:InProcessResearchAndDevelopmentMember 2019-12-31 0001708035 us-gaap:TradeNamesMember 2019-12-31 0001708035 us-gaap:EquityMethodInvesteeMember 2019-12-31 0001708035 ecvt:BusinessCombinationsMember 2019-12-31 0001708035 us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember 2019-12-31 0001708035 country:US us-gaap:PensionPlansDefinedBenefitMember 2019-12-31 0001708035 us-gaap:ForeignPlanMember us-gaap:PensionPlansDefinedBenefitMember 2019-12-31 0001708035 us-gaap:UnfundedPlanMember 2019-12-31 0001708035 country:US 2019-12-31 0001708035 ecvt:OtherForeignCountriesMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:DefinedBenefitPlanCashAndCashEquivalentsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member us-gaap:DefinedBenefitPlanCashAndCashEquivalentsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member us-gaap:DefinedBenefitPlanCashAndCashEquivalentsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member us-gaap:DefinedBenefitPlanCashAndCashEquivalentsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:U.S.InvestmentFundsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member ecvt:U.S.InvestmentFundsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member ecvt:U.S.InvestmentFundsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member ecvt:U.S.InvestmentFundsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:InternationalInvestmentFundsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member ecvt:InternationalInvestmentFundsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member ecvt:InternationalInvestmentFundsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member ecvt:InternationalInvestmentFundsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:GovernmentSecuritiesMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member ecvt:GovernmentSecuritiesMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member ecvt:GovernmentSecuritiesMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member ecvt:GovernmentSecuritiesMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:CorporateBondsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member ecvt:CorporateBondsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member ecvt:CorporateBondsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member ecvt:CorporateBondsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:InvestmentFundBondsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member ecvt:InvestmentFundBondsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member ecvt:InvestmentFundBondsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member ecvt:InvestmentFundBondsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember ecvt:InsuranceContractsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member ecvt:InsuranceContractsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member ecvt:InsuranceContractsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member ecvt:InsuranceContractsMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel1Member 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel2Member 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:FairValueInputsLevel3Member 2019-12-31 0001708035 us-gaap:DiscontinuedOperationsDisposedOfBySaleMember 2019-12-31 0001708035 ecvt:SpecialCashDividendMember 2020-12-14 2020-12-14 0001708035 us-gaap:SeniorNotesMember ecvt:SixPointSevenFivePercentSeniorSecuredNotesDue2022Member 2016-05-04 0001708035 us-gaap:MediumTermNotesMember ecvt:A2021TermLoanFacilityMember 2016-05-04 0001708035 us-gaap:MediumTermNotesMember currency:USD ecvt:A2021TermLoanFacilityMember 2016-05-04 0001708035 ecvt:A2016TermLoanFacilityMember currency:EUR 2016-05-04 0001708035 us-gaap:LineOfCreditMember 2016-05-04 0001708035 currency:USD us-gaap:LineOfCreditMember 2016-05-04 0001708035 country:CA us-gaap:LineOfCreditMember 2016-05-04 0001708035 us-gaap:LineOfCreditMember srt:EuropeMember 2016-05-04 0001708035 us-gaap:RevolvingCreditFacilityMember 2016-05-04 0001708035 ecvt:StockIncentivePlanMember 2016-05-04 0001708035 us-gaap:MediumTermNotesMember ecvt:NewTermLoanFacilityMember 2018-02-08 0001708035 us-gaap:MediumTermNotesMember ecvt:NewTermLoanFacilityMember us-gaap:LondonInterbankOfferedRateLIBORMember 2018-02-08 0001708035 ecvt:NewTermLoanFacilityMember 2020-02-07 2020-02-07 0001708035 us-gaap:MediumTermNotesMember 2020-02-07 2020-02-07 0001708035 us-gaap:MediumTermNotesMember us-gaap:LondonInterbankOfferedRateLIBORMember ecvt:NewTermLoanFacilityMember 2020-07-22 0001708035 us-gaap:MediumTermNotesMember ecvt:NewTermLoanFacilityMember us-gaap:LondonInterbankOfferedRateLIBORMember 2020-07-22 2020-07-22 0001708035 us-gaap:MediumTermNotesMember ecvt:NewTermLoanFacilityMember 2020-07-22 2020-07-22 0001708035 us-gaap:MediumTermNotesMember us-gaap:LondonInterbankOfferedRateLIBORMember 2020-07-22 2020-07-22 0001708035 ecvt:NewTermLoanFacilityMember us-gaap:MediumTermNotesMember 2018-02-08 2018-02-08 0001708035 us-gaap:NetInvestmentHedgingMember us-gaap:CrossCurrencyInterestRateContractMember 2018-02-28 0001708035 us-gaap:CrossCurrencyInterestRateContractMember us-gaap:NetInvestmentHedgingMember 2019-10-01 0001708035 us-gaap:CrossCurrencyInterestRateContractMember 2019-10-31 2019-10-31 0001708035 srt:MinimumMember us-gaap:LineOfCreditMember us-gaap:LondonInterbankOfferedRateLIBORMember 2016-05-04 2016-05-04 0001708035 srt:MaximumMember us-gaap:LineOfCreditMember us-gaap:LondonInterbankOfferedRateLIBORMember 2016-05-04 2016-05-04 0001708035 srt:MaximumMember us-gaap:LineOfCreditMember us-gaap:BaseRateMember 2016-05-04 2016-05-04 0001708035 us-gaap:LineOfCreditMember 2016-05-04 2016-05-04 0001708035 us-gaap:UnsecuredDebtMember ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesdue2025Member 2017-12-11 0001708035 us-gaap:UnsecuredDebtMember ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesdue2025Member 2017-12-11 2017-12-11 0001708035 ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesdue2025Member us-gaap:UnsecuredDebtMember srt:MaximumMember ecvt:ExerciseofCallOptionMember 2017-12-11 2017-12-11 0001708035 ecvt:NewTermLoanFacilityMember 2020-07-01 2020-07-01 0001708035 us-gaap:UnsecuredDebtMember ecvt:FivePointSevenFivePercentSeniorUnsecuredNotesdue2025Member 2019-02-01 2019-03-31 0001708035 ecvt:July2016InterestRateCapMember us-gaap:CashFlowHedgingMember 2016-07-01 2016-07-31 0001708035 ecvt:July2016InterestRateCapMember us-gaap:CashFlowHedgingMember srt:MinimumMember 2016-07-31 0001708035 ecvt:July2016InterestRateCapMember us-gaap:CashFlowHedgingMember srt:MaximumMember 2016-07-31 0001708035 ecvt:July2016InterestRateCapMember us-gaap:CashFlowHedgingMember 2016-07-31 0001708035 ecvt:November2018InterestRateCapMember us-gaap:CashFlowHedgingMember 2018-11-13 0001708035 ecvt:November2018InterestRateCapMember us-gaap:CashFlowHedgingMember 2018-11-30 2018-11-30 0001708035 ecvt:November2018InterestRateCapMember us-gaap:CashFlowHedgingMember 2018-11-30 0001708035 ecvt:November2018InterestRateCapMember us-gaap:CashFlowHedgingMember 2020-02-28 0001708035 ecvt:November2018InterestRateCapMember us-gaap:CashFlowHedgingMember 2020-03-31 0001708035 ecvt:November2018InterestRateCapMember us-gaap:CashFlowHedgingMember 2020-03-01 2020-03-31 0001708035 ecvt:November2018InterestRateCapMember us-gaap:CashFlowHedgingMember 2018-11-01 2020-12-31 0001708035 ecvt:July2020InterestRateCapMember us-gaap:CashFlowHedgingMember 2020-07-31 0001708035 ecvt:StockIncentivePlanMember 2016-05-04 2017-09-30 0001708035 ecvt:TwoThousandSeventeenOmnibusPlanMember 2017-10-03 0001708035 ecvt:TwoThousandSeventeenOmnibusPlanMember 2020-04-30 0001708035 us-gaap:CurrencySwapMember us-gaap:SubsequentEventMember 2021-03-31 2021-03-31 0001708035 us-gaap:CurrencySwapMember us-gaap:SubsequentEventMember 2021-03-31 0001708035 us-gaap:SubsequentEventMember ecvt:A2021TermLoanFacilityMember 2021-06-30 0001708035 us-gaap:SubsequentEventMember ecvt:PqCorporationMember ecvt:AblCreditAgreementMember srt:MaximumMember 2021-06-30 0001708035 us-gaap:SubsequentEventMember ecvt:PqCorporationMember ecvt:AblCreditAgreementMember srt:MinimumMember 2021-06-30 0001708035 us-gaap:SubsequentEventMember ecvt:PqCorporationMember ecvt:AblCreditAgreementMember country:US 2021-06-30 0001708035 us-gaap:SubsequentEventMember ecvt:PqCorporationMember ecvt:AblCreditAgreementMember us-gaap:EuropeanUnionMember 2021-06-30 0001708035 us-gaap:SubsequentEventMember ecvt:A2021TermLoanFacilityMember us-gaap:LondonInterbankOfferedRateLIBORMember srt:MinimumMember 2021-06-01 2021-06-30 0001708035 us-gaap:SubsequentEventMember ecvt:A2021TermLoanFacilityMember us-gaap:LondonInterbankOfferedRateLIBORMember srt:MaximumMember 2021-06-01 2021-06-30 0001708035 us-gaap:SubsequentEventMember ecvt:PqCorporationMember ecvt:AblCreditAgreementMember 2021-06-01 2021-06-30 0001708035 us-gaap:SubsequentEventMember ecvt:PqCorporationMember ecvt:InterestRateCapNovationMember 2021-08-31 0001708035 us-gaap:SubsequentEventMember 2021-02-24 2021-02-24 0001708035 ecvt:PerformanceChemicalsBusinessMember 2021-01-01 2021-09-30 0001708035 ecvt:November2018InterestRateCapMember us-gaap:CashFlowHedgingMember 2020-02-29 2020-02-29 0001708035 ecvt:EcoservicesMember 2019-12-31 0001708035 ecvt:CatalystTechnologiesMember 2019-12-31 0001708035 ecvt:EcoservicesMember 2020-12-31 0001708035 ecvt:CatalystTechnologiesMember 2020-12-31 0001708035 us-gaap:RestrictedStockMember 2020-12-31 0001708035 us-gaap:PerformanceSharesMember 2020-12-31 0001708035 us-gaap:CommonStockMember 2020-12-31 0001708035 us-gaap:TreasuryStockMember 2020-12-31 0001708035 us-gaap:AdditionalPaidInCapitalMember 2020-12-31 0001708035 us-gaap:RetainedEarningsMember 2020-12-31 0001708035 us-gaap:NoncontrollingInterestMember 2020-12-31 0001708035 us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember 2020-12-31 0001708035 us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember 2018-12-31 0001708035 us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember 2018-12-31 0001708035 us-gaap:AccumulatedTranslationAdjustmentMember 2018-12-31 0001708035 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2018-12-31 0001708035 ecvt:EcoservicesMember 2018-12-31 0001708035 ecvt:CatalystTechnologiesMember 2018-12-31 0001708035 us-gaap:RestrictedStockMember 2019-12-31 0001708035 us-gaap:RestrictedStockUnitsRSUMember 2019-12-31 0001708035 us-gaap:PerformanceSharesMember 2019-12-31 0001708035 srt:ParentCompanyMember 2018-12-31 0001708035 us-gaap:CommonStockMember 2019-12-31 0001708035 us-gaap:TreasuryStockMember 2019-12-31 0001708035 us-gaap:AdditionalPaidInCapitalMember 2019-12-31 0001708035 us-gaap:RetainedEarningsMember 2019-12-31 0001708035 us-gaap:NoncontrollingInterestMember 2019-12-31 0001708035 us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember 2019-12-31 0001708035 us-gaap:EmployeeStockOptionMember 2019-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember country:US 2018-12-31 0001708035 us-gaap:PensionPlansDefinedBenefitMember us-gaap:ForeignPlanMember 2018-12-31 0001708035 us-gaap:OtherPostretirementBenefitPlansDefinedBenefitMember 2018-12-31 0001708035 us-gaap:RestrictedStockMember 2017-12-31 0001708035 us-gaap:RestrictedStockUnitsRSUMember 2017-12-31 0001708035 us-gaap:PerformanceSharesMember 2017-12-31 0001708035 us-gaap:CommonStockMember 2017-12-31 0001708035 us-gaap:AdditionalPaidInCapitalMember 2017-12-31 0001708035 us-gaap:RetainedEarningsMember 2017-12-31 0001708035 us-gaap:TreasuryStockMember 2017-12-31 0001708035 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2017-12-31 0001708035 us-gaap:NoncontrollingInterestMember 2017-12-31 0001708035 us-gaap:RestrictedStockUnitsRSUMember 2018-12-31 0001708035 us-gaap:PerformanceSharesMember 2018-12-31 0001708035 us-gaap:RestrictedStockMember 2018-12-31 0001708035 srt:ParentCompanyMember 2017-12-31 0001708035 us-gaap:CommonStockMember 2018-12-31 0001708035 us-gaap:TreasuryStockMember 2018-12-31 0001708035 us-gaap:AdditionalPaidInCapitalMember 2018-12-31 0001708035 us-gaap:RetainedEarningsMember 2018-12-31 0001708035 us-gaap:NoncontrollingInterestMember 2018-12-31 0001708035 us-gaap:RetainedEarningsMember srt:CumulativeEffectPeriodOfAdoptionAdjustmentMember 2018-12-31 0001708035 us-gaap:AccumulatedOtherComprehensiveIncomeMember srt:CumulativeEffectPeriodOfAdoptionAdjustmentMember 2018-12-31 0001708035 srt:CumulativeEffectPeriodOfAdoptionAdjustmentMember 2018-12-31 0001708035 us-gaap:CommonStockMember srt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember 2018-12-31 0001708035 us-gaap:AdditionalPaidInCapitalMember srt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember 2018-12-31 0001708035 us-gaap:RetainedEarningsMember srt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember 2018-12-31 0001708035 us-gaap:TreasuryStockMember srt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember 2018-12-31 0001708035 us-gaap:AccumulatedOtherComprehensiveIncomeMember srt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember 2018-12-31 0001708035 us-gaap:NoncontrollingInterestMember srt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember 2018-12-31 0001708035 srt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember 2018-12-31 0001708035 us-gaap:EmployeeStockOptionMember 2017-12-31 0001708035 us-gaap:EmployeeStockOptionMember 2018-12-31 iso4217:USD xbrli:shares xbrli:pure iso4217:EUR utr:Year utr:Month utr:Day iso4217:USD xbrli:shares ecvt:segment ecvt:Plan ecvt:Reporting_Unit
 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
 
FORM
8-K
 
 
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of The Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): November 16, 2021
 
 
ECOVYST INC.
 
 
 
Commission File Number:
001-38221
 
Delaware
  
81-3406833
(State or other jurisdiction of
incorporation or organization)
  
(I.R.S. Employer
Identification No.)
 
300 Lindenwood Drive
    
Malvern, Pennsylvania
  
19355
(Address of principal executive offices)
  
(Zip Code)
(610)
651-4400
(Registrant’s telephone number, including area code)
 
 
Check the appropriate box below if the Form
8-K
filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
 
☐
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
 
☐
Soliciting material pursuant to Rule
14a-12
under the Exchange Act (17 CFR
240.14a-12)
 
☐
Pre-commencement
communications pursuant to Rule
14d-2(b)
under the Exchange Act (17 CFR
240.14d-2(b))
 
☐
Pre-commencement
communications pursuant to Rule
13e-4(c)
under the Exchange Act (17 CFR
240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
 
Title of each class
  
Trading
symbol
  
Name
of
each exchange
on which registered
Common stock, par value $0.01 per share
  
ECVT
  
New York Stock Exchange
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule
12b-2
of the Securities Exchange Act of 1934
(§240.12b-2
of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
 
 
 
Item 8.01 Other Events.
As previously disclosed, effective August 1, 2021, Ecovyst Inc. (the “Company”) completed the sale of its Performance Chemicals business to Sparta Aggregator L.P., a partnership established by Koch Minerals & Trading, LLC and Cerberus Capital Management, L.P. (the “Purchaser”), pursuant to a Stock Purchase Agreement (the “Purchase Agreement”), dated February 28, 2021, as amended, between the Company and the Purchaser, for a purchase price of $1.1 billion in cash, subject to certain adjustments specified in the Purchase Agreement, including for indebtedness, cash, working capital and transaction expenses of the Performance Chemicals business at the closing of the transaction. In conjunction with entering into the Purchase Agreement, the Performance Chemicals business met the criteria set forth in Accounting
Standards Codification 205-20,
Presentation of Financial Statements – Discontinued Operations (“ASC
205-20”).
As a result, the results of operations of the Performance Chemicals business have been presented as discontinued operations in the consolidated statements of income for all periods presented beginning with the Company’s quarterly financial statements filed on Form
10-Q
for the quarter ended March 31, 2021, filed with the U.S. Securities and Exchange Commission (the “SEC”) on May 17, 2021. The Company is issuing this Current Report on Form
8-K
to recast the Performance Chemicals business as discontinued operations as of and for each of the periods covered by the Company’s Annual Report on Form
10-K
for the year ended December 31, 2020 (“2020 Form
10-K”),
filed with the SEC on March 17, 2021.
The information included in Exhibit 99.1 to this Current Report on Form
8-K
(“Exhibit 99.1”) is presented solely in connection with the presentation changes described above. Exhibit 99.1 does not reflect events occurring after the Company filed its 2020 Form
10-K
except as otherwise stated therein, and does not modify or update the disclosures therein, except as otherwise stated therein and to reflect the presentation of the Performance Chemicals business as discontinued operations as described above. Therefore, Exhibit 99.1 should be read in conjunction with the Company’s other filings made with the SEC, including, and subsequent to the date of, the 2020 Form
10-K.
The Company’s subsequent SEC filings contain important information regarding events, developments, and updates affecting the Company that have occurred since the filing of the 2020 Form
10-K.
Exhibit 99.1 presents a recast of the following historical financial information and related disclosures, originally included in the 2020 Form
10-K,
to reflect the presentation of the Performance Chemicals business as discontinued operations.
Ecovyst Inc. has revised the following items of the 2020 Form
10-K
to reflect the retrospective revisions described above:
Part II:
 
  •  
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations.
 
  •  
Item 8. Financial Statements and Supplementary Data.
Exhibit 99.1 is attached hereto and incorporated herein by reference.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits
 
Exhibit
No.
   
Description
23.1    Consent of PricewaterhouseCoopers LLP, Independent Registered Public Accounting Firm
99.1    Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations and Item 8. Financial Statements and Supplementary Data
104    The cover page from this Current Report on Form
8-K
of Ecovyst Inc., formatted in Inline XBRL and included as Exhibit 101
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
 
Date: November 16, 2021    
Ecovyst Inc.
    By:  
/s/ Michael Feehan
    Name:   Michael Feehan
    Title:   Vice President and Chief Financial Officer