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  <xs:element id="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue" abstract="false" name="ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_NoncashPurchasesOfTreasuryStock" abstract="false" name="NoncashPurchasesOfTreasuryStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_BARDAMember" abstract="true" name="BARDAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_DebtInstrumentCovenantConsiderationThreshold" abstract="false" name="DebtInstrumentCovenantConsiderationThreshold" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_DeferredTaxAssetsOperatingLeaseLiability" abstract="false" name="DeferredTaxAssetsOperatingLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ebs_AmendedCreditAgreementMember" abstract="true" name="AmendedCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_DebtInstrumentCovenantNetLeverageRatioTwo" abstract="false" name="DebtInstrumentCovenantNetLeverageRatioTwo" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ebs_UnitedStatesGovernmentMember" abstract="true" name="UnitedStatesGovernmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_EffectiveIncomeTaxRateReconciliationCompensationLimitationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationCompensationLimitationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_ContractsAndGrantsMember" abstract="true" name="ContractsAndGrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_OperatingLeaseOtherLiabilityCurrent" abstract="false" name="OperatingLeaseOtherLiabilityCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_ContractDevelopmentAndManufacturingMember" abstract="true" name="ContractDevelopmentAndManufacturingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio" abstract="false" name="DebtInstrumentCovenantDebtServiceCoverageRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ebs_MeasurementInputProbabilityOfPaymentMember" abstract="true" name="MeasurementInputProbabilityOfPaymentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayDuringTheThirdYear" abstract="false" name="PercentageOfOriginalPrincipalAmountRequiredToRepayDuringTheThirdYear" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayInFirstTwoYears" abstract="false" name="PercentageOfOriginalPrincipalAmountRequiredToRepayInFirstTwoYears" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember" abstract="true" name="ManitobaScientificResearchAndExperimentalDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_OperatingLeaseLeaseIncomeAndRevenueFromContractWithCustomerExcludingAssessedTax" abstract="false" name="OperatingLeaseLeaseIncomeAndRevenueFromContractWithCustomerExcludingAssessedTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_TermLoanFacilityMember" abstract="true" name="TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFiveAndThereafter" abstract="false" name="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFiveAndThereafter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_PaxVaxMember" abstract="true" name="PaxVaxMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_ContractWithCustomerLiabilityAdditions" abstract="false" name="ContractWithCustomerLiabilityAdditions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember" abstract="true" name="EmergentBiosolutionsInc2006StockIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_ContractDevelopmentAndManufacturingLeasesMember" abstract="true" name="ContractDevelopmentAndManufacturingLeasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_ContractManufacturingMember" abstract="true" name="ContractManufacturingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_AssetsAndLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebs_CIADMMember" abstract="true" name="CIADMMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference" abstract="false" name="EffectiveIncomeTaxRateReconciliationPermanentDifference" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_NumberOfStockBasedEmployeeCompensationPlans" abstract="false" name="NumberOfStockBasedEmployeeCompensationPlans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ebs_ConvertibleSeniorNotesDue2021Member" abstract="true" name="ConvertibleSeniorNotesDue2021Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_ChangeinContractWithCustomerLiabilityRollForward" abstract="true" name="ChangeinContractWithCustomerLiabilityRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ebs_DeferredTaxAssetsTaxDeferredExpenseCapitalizedCosts" abstract="false" name="DeferredTaxAssetsTaxDeferredExpenseCapitalizedCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_DebtInstrumentCovenantNetLeverageRatioRollingPeriod" abstract="false" name="DebtInstrumentCovenantNetLeverageRatioRollingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ebs_DebtInstrumentCovenantNetLeverageRatioAdjustmentPeriod" abstract="false" name="DebtInstrumentCovenantNetLeverageRatioAdjustmentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ebs_UnrecognizedTaxBenefitsNoncurrent" abstract="false" name="UnrecognizedTaxBenefitsNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_NumberOfRevenueGeneratingProducts" abstract="false" name="NumberOfRevenueGeneratingProducts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ebs_CommonStockNumberOfVotesPerCommonShare" abstract="false" name="CommonStockNumberOfVotesPerCommonShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ebs_DebtInstrumentCovenantNetLeverageRatioOne" abstract="false" name="DebtInstrumentCovenantNetLeverageRatioOne" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ebs_ACAM2000Member" abstract="true" name="ACAM2000Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter" abstract="false" name="FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_NARCANNasalSprayMember" abstract="true" name="NARCANNasalSprayMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum" abstract="false" name="ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ebs_SeniorUnsecuredNotesDueAugust2028Member" abstract="true" name="SeniorUnsecuredNotesDueAugust2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_EffectiveIncomeTaxRateReconciliationTransactionCosts" abstract="false" name="EffectiveIncomeTaxRateReconciliationTransactionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_ScheduleOfAccountsReceivableNetTableTextBlock" abstract="false" name="ScheduleOfAccountsReceivableNetTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebs_LesseeOperatingLeaseTerminationPeriod" abstract="false" name="LesseeOperatingLeaseTerminationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment" abstract="false" name="DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebs_PerformanceStockUnitsPSUsAndRestrictedStockUnitsRSUsMember" abstract="true" name="PerformanceStockUnitsPSUsAndRestrictedStockUnitsRSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_ContingentConsiderationObligationsPolicyTextBlock" abstract="false" name="ContingentConsiderationObligationsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebs_NumberOfProductCandidates" abstract="false" name="NumberOfProductCandidates" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ebs_OtherLongTermDebtFacilityMember" abstract="true" name="OtherLongTermDebtFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebs_PercentageOfOriginalPrincipalAmountRequiredToRepayRemainingYears" abstract="false" name="PercentageOfOriginalPrincipalAmountRequiredToRepayRemainingYears" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ebs_OtherMember" abstract="true" name="OtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
