<link:linkbase
    xmlns:link="http://www.xbrl.org/2003/linkbase"
    xmlns:xlink="http://www.w3.org/1999/xlink"
    >
   <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_AccrualsToProvisionsIncludingProvisionsForEmployeeBenefitsAndImpairmentLosses" xlink:label="ext_AccrualsToProvisionsIncludingProvisionsForEmployeeBenefitsAndImpairmentLosses" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_AccrualsToProvisionsIncludingProvisionsForEmployeeBenefitsAndImpairmentLosses" xlink:to="ext_AccrualsToProvisionsIncludingProvisionsForEmployeeBenefitsAndImpairmentLosses_lbl" xlink:type="arc"/>
      <link:label id="id_1" xlink:label="ext_AccrualsToProvisionsIncludingProvisionsForEmployeeBenefitsAndImpairmentLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Accruals to provisions (including provisions for employee benefits) and impairment losses</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_AdjustmentByIncreaseOrDecreaseInInventories" xlink:label="ext_AdjustmentByIncreaseOrDecreaseInInventories" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_AdjustmentByIncreaseOrDecreaseInInventories" xlink:to="ext_AdjustmentByIncreaseOrDecreaseInInventories_lbl" xlink:type="arc"/>
      <link:label id="id_2" xlink:label="ext_AdjustmentByIncreaseOrDecreaseInInventories_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustment by increase or decrease in inventories</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_AdjustmentsForDecreaseIncreaseInInvestmentsInAssociates" xlink:label="ext_AdjustmentsForDecreaseIncreaseInInvestmentsInAssociates" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_AdjustmentsForDecreaseIncreaseInInvestmentsInAssociates" xlink:to="ext_AdjustmentsForDecreaseIncreaseInInvestmentsInAssociates_lbl" xlink:type="arc"/>
      <link:label id="id_3" xlink:label="ext_AdjustmentsForDecreaseIncreaseInInvestmentsInAssociates_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments For Decrease Increase In Investments In Associates</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets" xlink:label="ext_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets" xlink:to="ext_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets_lbl" xlink:type="arc"/>
      <link:label id="id_4" xlink:label="ext_AdjustmentsForDecreaseIncreaseInOtherNonCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments For Decrease Increase In Other Non Current Assets</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_AdjustmentsForIncomeTaxExpense" xlink:label="ext_AdjustmentsForIncomeTaxExpense" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_AdjustmentsForIncomeTaxExpense" xlink:to="ext_AdjustmentsForIncomeTaxExpense_lbl" xlink:type="arc"/>
      <link:label id="id_5" xlink:label="ext_AdjustmentsForIncomeTaxExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en"> Adjustments for income tax expense</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_AdjustmentsForIncreaseDecreaseInOtherNonCurrentLiabilities" xlink:label="ext_AdjustmentsForIncreaseDecreaseInOtherNonCurrentLiabilities" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_AdjustmentsForIncreaseDecreaseInOtherNonCurrentLiabilities" xlink:to="ext_AdjustmentsForIncreaseDecreaseInOtherNonCurrentLiabilities_lbl" xlink:type="arc"/>
      <link:label id="id_6" xlink:label="ext_AdjustmentsForIncreaseDecreaseInOtherNonCurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments For Increase Decrease In Other Non Current Liabilities</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_AdjustmentsForIncreaseDecreaseInProvisions" xlink:label="ext_AdjustmentsForIncreaseDecreaseInProvisions" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_AdjustmentsForIncreaseDecreaseInProvisions" xlink:to="ext_AdjustmentsForIncreaseDecreaseInProvisions_lbl" xlink:type="arc"/>
      <link:label id="id_7" xlink:label="ext_AdjustmentsForIncreaseDecreaseInProvisions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Adjustments For Increase Decrease In Provisions</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_BasicEarningsPerShareFromContinuingOperations" xlink:label="ext_BasicEarningsPerShareFromContinuingOperations" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_BasicEarningsPerShareFromContinuingOperations" xlink:to="ext_BasicEarningsPerShareFromContinuingOperations_lbl" xlink:type="arc"/>
      <link:label id="id_8" xlink:label="ext_BasicEarningsPerShareFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Basic earnings per share from continuing operations</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_CashAndCashEquivalentsFromAcquisition" xlink:label="ext_CashAndCashEquivalentsFromAcquisition" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_CashAndCashEquivalentsFromAcquisition" xlink:to="ext_CashAndCashEquivalentsFromAcquisition_lbl" xlink:type="arc"/>
      <link:label id="id_9" xlink:label="ext_CashAndCashEquivalentsFromAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cash And Cash Equivalents from Acquisition</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_CashAndCashEquivalentsIfDifferentFromTheFinancialStatement" xlink:label="ext_CashAndCashEquivalentsIfDifferentFromTheFinancialStatement" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_CashAndCashEquivalentsIfDifferentFromTheFinancialStatement" xlink:to="ext_CashAndCashEquivalentsIfDifferentFromTheFinancialStatement_lbl" xlink:type="arc"/>
      <link:label id="id_10" xlink:label="ext_CashAndCashEquivalentsIfDifferentFromTheFinancialStatement_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cash and cash equivalents if different from the financial statement</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_CashAndCashEquivalentsOfWhichDueFromRelatedParties" xlink:label="ext_CashAndCashEquivalentsOfWhichDueFromRelatedParties" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_CashAndCashEquivalentsOfWhichDueFromRelatedParties" xlink:to="ext_CashAndCashEquivalentsOfWhichDueFromRelatedParties_lbl" xlink:type="arc"/>
      <link:label id="id_11" xlink:label="ext_CashAndCashEquivalentsOfWhichDueFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cash And Cash Equivalents Of Which Due From Related Parties</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_CashFlowsFromConsiderationPaidForNewAcquisitionsNetOfCash" xlink:label="ext_CashFlowsFromConsiderationPaidForNewAcquisitionsNetOfCash" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_CashFlowsFromConsiderationPaidForNewAcquisitionsNetOfCash" xlink:to="ext_CashFlowsFromConsiderationPaidForNewAcquisitionsNetOfCash_lbl" xlink:type="arc"/>
      <link:label id="id_12" xlink:label="ext_CashFlowsFromConsiderationPaidForNewAcquisitionsNetOfCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cash Flows From Consideration paid for new acquisitions net of cash</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_CashFlowsFromMovementsInLongMediumShortTermFinancialInvestments" xlink:label="ext_CashFlowsFromMovementsInLongMediumShortTermFinancialInvestments" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_CashFlowsFromMovementsInLongMediumShortTermFinancialInvestments" xlink:to="ext_CashFlowsFromMovementsInLongMediumShortTermFinancialInvestments_lbl" xlink:type="arc"/>
      <link:label id="id_13" xlink:label="ext_CashFlowsFromMovementsInLongMediumShortTermFinancialInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cash Flows From Movements In Long Medium Short Term financial investments</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_CashFlowsFromOtherNonCashMovements" xlink:label="ext_CashFlowsFromOtherNonCashMovements" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_CashFlowsFromOtherNonCashMovements" xlink:to="ext_CashFlowsFromOtherNonCashMovements_lbl" xlink:type="arc"/>
      <link:label id="id_14" xlink:label="ext_CashFlowsFromOtherNonCashMovements_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cash Flows From Other Non Cash movements</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_CashFlowsFromUsedInInvestingActivitiesOfWhichRelatedPartiesTransactions" xlink:label="ext_CashFlowsFromUsedInInvestingActivitiesOfWhichRelatedPartiesTransactions" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_CashFlowsFromUsedInInvestingActivitiesOfWhichRelatedPartiesTransactions" xlink:to="ext_CashFlowsFromUsedInInvestingActivitiesOfWhichRelatedPartiesTransactions_lbl" xlink:type="arc"/>
      <link:label id="id_15" xlink:label="ext_CashFlowsFromUsedInInvestingActivitiesOfWhichRelatedPartiesTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cash Flows From Used In Investing Activities Of Which Related Parties Transactions</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_CashFlowsFromUsedInOperationsOfWhichRelatedPartiesTransactions" xlink:label="ext_CashFlowsFromUsedInOperationsOfWhichRelatedPartiesTransactions" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_CashFlowsFromUsedInOperationsOfWhichRelatedPartiesTransactions" xlink:to="ext_CashFlowsFromUsedInOperationsOfWhichRelatedPartiesTransactions_lbl" xlink:type="arc"/>
      <link:label id="id_16" xlink:label="ext_CashFlowsFromUsedInOperationsOfWhichRelatedPartiesTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cash Flows From Used In Operations Of Which Related Parties Transactions</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_CostOfHedges" xlink:label="ext_CostOfHedges" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_CostOfHedges" xlink:to="ext_CostOfHedges_lbl" xlink:type="arc"/>
      <link:label id="id_17" xlink:label="ext_CostOfHedges_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Cost Of Hedges</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue" xlink:label="ext_CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue" xlink:to="ext_CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue_lbl" xlink:type="arc"/>
      <link:label id="id_18" xlink:label="ext_CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en"> Current financial assets at fair value through profit or loss, mandatorily measured at fair value</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_EmployeeBenefitsExpenseCapitalisedPersonnelExpenses" xlink:label="ext_EmployeeBenefitsExpenseCapitalisedPersonnelExpenses" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_EmployeeBenefitsExpenseCapitalisedPersonnelExpenses" xlink:to="ext_EmployeeBenefitsExpenseCapitalisedPersonnelExpenses_lbl" xlink:type="arc"/>
      <link:label id="id_19" xlink:label="ext_EmployeeBenefitsExpenseCapitalisedPersonnelExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Employee Benefits Expense Capitalised Personnel Expenses</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_EmployeeBenefitsExpenseGrossPersonnelExpenses" xlink:label="ext_EmployeeBenefitsExpenseGrossPersonnelExpenses" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_EmployeeBenefitsExpenseGrossPersonnelExpenses" xlink:to="ext_EmployeeBenefitsExpenseGrossPersonnelExpenses_lbl" xlink:type="arc"/>
      <link:label id="id_20" xlink:label="ext_EmployeeBenefitsExpenseGrossPersonnelExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Employee Benefits Expense Gross Personnel Expenses</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_EmployeeBenefitsExpenseOfWhichRelatedPartiesTransactions" xlink:label="ext_EmployeeBenefitsExpenseOfWhichRelatedPartiesTransactions" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_EmployeeBenefitsExpenseOfWhichRelatedPartiesTransactions" xlink:to="ext_EmployeeBenefitsExpenseOfWhichRelatedPartiesTransactions_lbl" xlink:type="arc"/>
      <link:label id="id_21" xlink:label="ext_EmployeeBenefitsExpenseOfWhichRelatedPartiesTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Employee Benefits Expense Of Which Related Parties Transactions</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeOCI" xlink:label="ext_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeOCI" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeOCI" xlink:to="ext_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeOCI_lbl" xlink:type="arc"/>
      <link:label id="id_22" xlink:label="ext_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeOCI_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Financial Assets At Fair Value Through Other Comprehensive Income OCI</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_GainsOrLossesFromTranslationOfFinancialStatementsInCurrenciesOtherThanTheEuro" xlink:label="ext_GainsOrLossesFromTranslationOfFinancialStatementsInCurrenciesOtherThanTheEuro" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_GainsOrLossesFromTranslationOfFinancialStatementsInCurrenciesOtherThanTheEuro" xlink:to="ext_GainsOrLossesFromTranslationOfFinancialStatementsInCurrenciesOtherThanTheEuro_lbl" xlink:type="arc"/>
      <link:label id="id_23" xlink:label="ext_GainsOrLossesFromTranslationOfFinancialStatementsInCurrenciesOtherThanTheEuro_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Gains or Losses From Translation Of Financial Statements In Currencies Other Than The Euro</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_GainsOrLossesOnChangeInValueOfTimeValueOfOptionsNetOfTax" xlink:label="ext_GainsOrLossesOnChangeInValueOfTimeValueOfOptionsNetOfTax" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_GainsOrLossesOnChangeInValueOfTimeValueOfOptionsNetOfTax" xlink:to="ext_GainsOrLossesOnChangeInValueOfTimeValueOfOptionsNetOfTax_lbl" xlink:type="arc"/>
      <link:label id="id_24" xlink:label="ext_GainsOrLossesOnChangeInValueOfTimeValueOfOptionsNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Gains or losses on change in value of time value of options, net of tax</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_GainsOrLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:label="ext_GainsOrLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_GainsOrLossesOnExchangeDifferencesOnTranslationNetOfTax" xlink:to="ext_GainsOrLossesOnExchangeDifferencesOnTranslationNetOfTax_lbl" xlink:type="arc"/>
      <link:label id="id_25" xlink:label="ext_GainsOrLossesOnExchangeDifferencesOnTranslationNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Gains or losses on exchange differences on translation, net of tax</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_InterimDividend" xlink:label="ext_InterimDividend" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_InterimDividend" xlink:to="ext_InterimDividend_lbl" xlink:type="arc"/>
      <link:label id="id_26" xlink:label="ext_InterimDividend_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Interim Dividend</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_MovementInTheReserveForTreasuryShares" xlink:label="ext_MovementInTheReserveForTreasuryShares" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_MovementInTheReserveForTreasuryShares" xlink:to="ext_MovementInTheReserveForTreasuryShares_lbl" xlink:type="arc"/>
      <link:label id="id_27" xlink:label="ext_MovementInTheReserveForTreasuryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Movement In The Reserve For Treasury Shares</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_OtherChanges" xlink:label="ext_OtherChanges" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_OtherChanges" xlink:to="ext_OtherChanges_lbl" xlink:type="arc"/>
      <link:label id="id_28" xlink:label="ext_OtherChanges_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other changes</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_OtherComprehensiveIncomeNetOfTaxGainsOrLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:label="ext_OtherComprehensiveIncomeNetOfTaxGainsOrLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_OtherComprehensiveIncomeNetOfTaxGainsOrLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:to="ext_OtherComprehensiveIncomeNetOfTaxGainsOrLossesOnRemeasurementsOfDefinedBenefitPlans_lbl" xlink:type="arc"/>
      <link:label id="id_29" xlink:label="ext_OtherComprehensiveIncomeNetOfTaxGainsOrLossesOnRemeasurementsOfDefinedBenefitPlans_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other comprehensive income, net of tax, gains or losses on remeasurements of defined benefit plans</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_OtherCurrentLiabilitiesOfWhichToRelatedParties" xlink:label="ext_OtherCurrentLiabilitiesOfWhichToRelatedParties" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_OtherCurrentLiabilitiesOfWhichToRelatedParties" xlink:to="ext_OtherCurrentLiabilitiesOfWhichToRelatedParties_lbl" xlink:type="arc"/>
      <link:label id="id_30" xlink:label="ext_OtherCurrentLiabilitiesOfWhichToRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other Current Liabilities Of Which To Related Parties</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_OtherExpenseByNatureOfWhichRelatedPartiesTransactions" xlink:label="ext_OtherExpenseByNatureOfWhichRelatedPartiesTransactions" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_OtherExpenseByNatureOfWhichRelatedPartiesTransactions" xlink:to="ext_OtherExpenseByNatureOfWhichRelatedPartiesTransactions_lbl" xlink:type="arc"/>
      <link:label id="id_31" xlink:label="ext_OtherExpenseByNatureOfWhichRelatedPartiesTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other Expense By Nature Of Which Related Parties Transactions</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_OtherRevenueOfWhichRelatedPartiesTransactions" xlink:label="ext_OtherRevenueOfWhichRelatedPartiesTransactions" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_OtherRevenueOfWhichRelatedPartiesTransactions" xlink:to="ext_OtherRevenueOfWhichRelatedPartiesTransactions_lbl" xlink:type="arc"/>
      <link:label id="id_32" xlink:label="ext_OtherRevenueOfWhichRelatedPartiesTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Other Revenue Of Which Related Parties Transactions</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_ProfitLossAttributableToOwnersOfParent" xlink:label="ext_ProfitLossAttributableToOwnersOfParent" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_ProfitLossAttributableToOwnersOfParent" xlink:to="ext_ProfitLossAttributableToOwnersOfParent_lbl" xlink:type="arc"/>
      <link:label id="id_33" xlink:label="ext_ProfitLossAttributableToOwnersOfParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Profit Loss Attributable To Owners Of Parent</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_PropertyPlantAndEquipmentOfWhichDueFromRelatedParties" xlink:label="ext_PropertyPlantAndEquipmentOfWhichDueFromRelatedParties" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_PropertyPlantAndEquipmentOfWhichDueFromRelatedParties" xlink:to="ext_PropertyPlantAndEquipmentOfWhichDueFromRelatedParties_lbl" xlink:type="arc"/>
      <link:label id="id_34" xlink:label="ext_PropertyPlantAndEquipmentOfWhichDueFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Property Plant And Equipment Of Which Due From Related Parties</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_RawMaterialsAndConsumablesUsedOfWhichRelatedPartiesTransanctions" xlink:label="ext_RawMaterialsAndConsumablesUsedOfWhichRelatedPartiesTransanctions" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_RawMaterialsAndConsumablesUsedOfWhichRelatedPartiesTransanctions" xlink:to="ext_RawMaterialsAndConsumablesUsedOfWhichRelatedPartiesTransanctions_lbl" xlink:type="arc"/>
      <link:label id="id_35" xlink:label="ext_RawMaterialsAndConsumablesUsedOfWhichRelatedPartiesTransanctions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Raw Materials And Consumables Used Of Which Related Parties Transanctions</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_RecognitionOfNonControllingInterestsInEquityOfNewlyAcquiredCompanies" xlink:label="ext_RecognitionOfNonControllingInterestsInEquityOfNewlyAcquiredCompanies" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_RecognitionOfNonControllingInterestsInEquityOfNewlyAcquiredCompanies" xlink:to="ext_RecognitionOfNonControllingInterestsInEquityOfNewlyAcquiredCompanies_lbl" xlink:type="arc"/>
      <link:label id="id_36" xlink:label="ext_RecognitionOfNonControllingInterestsInEquityOfNewlyAcquiredCompanies_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Recognition Of Non Controlling Interests In Equity Of Newly Acquired Companies </link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_ReserveForStockOption" xlink:label="ext_ReserveForStockOption" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_ReserveForStockOption" xlink:to="ext_ReserveForStockOption_lbl" xlink:type="arc"/>
      <link:label id="id_37" xlink:label="ext_ReserveForStockOption_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Reserve for stock option</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_TotalOtherChanges" xlink:label="ext_TotalOtherChanges" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_TotalOtherChanges" xlink:to="ext_TotalOtherChanges_lbl" xlink:type="arc"/>
      <link:label id="id_38" xlink:label="ext_TotalOtherChanges_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Total other changes</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_TotalTransactionsWithShareholders" xlink:label="ext_TotalTransactionsWithShareholders" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_TotalTransactionsWithShareholders" xlink:to="ext_TotalTransactionsWithShareholders_lbl" xlink:type="arc"/>
      <link:label id="id_39" xlink:label="ext_TotalTransactionsWithShareholders_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Total transactions with shareholders</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_InterimDividendMember" xlink:label="ext_InterimDividendMember" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_InterimDividendMember" xlink:to="ext_InterimDividendMember_lbl" xlink:type="arc"/>
      <link:label id="id_40" xlink:label="ext_InterimDividendMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Interim Dividend Member</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_ProfitLossAttributableToOwnersOfParentMember" xlink:label="ext_ProfitLossAttributableToOwnersOfParentMember" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_ProfitLossAttributableToOwnersOfParentMember" xlink:to="ext_ProfitLossAttributableToOwnersOfParentMember_lbl" xlink:type="arc"/>
      <link:label id="id_41" xlink:label="ext_ProfitLossAttributableToOwnersOfParentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Profit Loss Attributable To Owners Of Parent [member]</link:label>

      <link:loc xlink:href="8156009E94ED54DE7C31-2021-12-31.xsd#ext_ReserveForOwnSharesMember" xlink:label="ext_ReserveForOwnSharesMember" xlink:type="locator"/>
      <link:labelArc order="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ext_ReserveForOwnSharesMember" xlink:to="ext_ReserveForOwnSharesMember_lbl" xlink:type="arc"/>
      <link:label id="id_42" xlink:label="ext_ReserveForOwnSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en">Reserve for own shares [member]</link:label>

   </link:labelLink>

</link:linkbase>