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    xmlns:link="http://www.xbrl.org/2003/linkbase"
    xmlns:xlink="http://www.w3.org/1999/xlink"
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   <link:roleRef xlink:type="simple" xlink:href="81560012F663E89E7085-2025-12-31.xsd#id_3" roleURI="https://elengroup.com/xbrl/role/all/ias_1_role-210000"/>
   <link:roleRef xlink:type="simple" xlink:href="81560012F663E89E7085-2025-12-31.xsd#id_4" roleURI="https://elengroup.com/xbrl/role/all/ias_1_role-320000"/>
   <link:roleRef xlink:type="simple" xlink:href="81560012F663E89E7085-2025-12-31.xsd#id_5" roleURI="https://elengroup.com/xbrl/role/all/ias_1_role-410000"/>
   <link:roleRef xlink:type="simple" xlink:href="81560012F663E89E7085-2025-12-31.xsd#id_6" roleURI="https://elengroup.com/xbrl/role/all/ias_1_role-610000"/>
   <link:roleRef xlink:type="simple" xlink:href="81560012F663E89E7085-2025-12-31.xsd#id_14" roleURI="https://elengroup.com/xbrl/role/all/ias_7_role-520000"/>
   <link:roleRef xlink:type="simple" xlink:href="81560012F663E89E7085-2025-12-31.xsd#id_18" roleURI="https://elengroup.com/xbrl/role/all/ifrs_5_role-825900"/>
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   <link:calculationLink xlink:role="https://elengroup.com/xbrl/role/all/ias_1_role-210000" xlink:type="extended">
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets" xlink:type="locator"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssets" xlink:label="ifrs-full_NoncurrentAssets" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_Assets"
                          xlink:to="ifrs-full_NoncurrentAssets"
                            order="10.0"
                            weight="1.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:label="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_Assets"
                          xlink:to="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"
                            weight="1.0"
                            order="11.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:label="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_Assets"
                          xlink:to="ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"
                            weight="1.0"
                            order="12.0"
                          xlink:type="arc"/>
   </link:calculationLink>
   <link:calculationLink xlink:role="https://elengroup.com/xbrl/role/all/ias_1_role-210000" xlink:type="extended">
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssets" xlink:label="ifrs-full_NoncurrentAssets" xlink:type="locator"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_NoncurrentAssets"
                          xlink:to="ifrs-full_PropertyPlantAndEquipment"
                            order="10.0"
                            weight="1.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="81560012F663E89E7085-2025-12-31.xsd#ext_TotalePartecipazioni" xlink:label="ext_TotalePartecipazioni" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_NoncurrentAssets"
                          xlink:to="ext_TotalePartecipazioni"
                            weight="1.0"
                            order="99.99"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxAssets" xlink:label="ifrs-full_DeferredTaxAssets" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_NoncurrentAssets"
                          xlink:to="ifrs-full_DeferredTaxAssets"
                            order="100.0"
                            weight="1.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IntangibleAssetsAndGoodwill" xlink:label="ifrs-full_IntangibleAssetsAndGoodwill" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_NoncurrentAssets"
                          xlink:to="ifrs-full_IntangibleAssetsAndGoodwill"
                            weight="1.0"
                            order="101.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentAssets" xlink:label="ifrs-full_OtherNoncurrentAssets" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_NoncurrentAssets"
                          xlink:to="ifrs-full_OtherNoncurrentAssets"
                            weight="1.0"
                            order="102.0"
                          xlink:type="arc"/>
   </link:calculationLink>
   <link:calculationLink xlink:role="https://elengroup.com/xbrl/role/all/ias_1_role-210000" xlink:type="extended">
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:label="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:type="locator"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Inventories" xlink:label="ifrs-full_Inventories" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"
                          xlink:to="ifrs-full_Inventories"
                            weight="1.0"
                            order="1"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxAssetsCurrent" xlink:label="ifrs-full_CurrentTaxAssetsCurrent" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"
                          xlink:to="ifrs-full_CurrentTaxAssetsCurrent"
                            weight="1.0"
                            order="2"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentFinancialAssets" xlink:label="ifrs-full_OtherCurrentFinancialAssets" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"
                          xlink:to="ifrs-full_OtherCurrentFinancialAssets"
                            weight="1.0"
                            order="3"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"
                          xlink:to="ifrs-full_CashAndCashEquivalents"
                            weight="1.0"
                            order="4"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentReceivables" xlink:label="ifrs-full_OtherCurrentReceivables" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"
                          xlink:to="ifrs-full_OtherCurrentReceivables"
                            weight="1.0"
                            order="5"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTradeReceivables" xlink:label="ifrs-full_CurrentTradeReceivables" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"
                          xlink:to="ifrs-full_CurrentTradeReceivables"
                            weight="1.0"
                            order="6"
                          xlink:type="arc"/>
   </link:calculationLink>
   <link:calculationLink xlink:role="https://elengroup.com/xbrl/role/all/ias_1_role-210000" xlink:type="extended">
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities" xlink:type="locator"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_EquityAndLiabilities"
                          xlink:to="ifrs-full_Equity"
                            order="10.0"
                            weight="1.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentLiabilitiesOtherThanLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:label="ifrs-full_CurrentLiabilitiesOtherThanLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_EquityAndLiabilities"
                          xlink:to="ifrs-full_CurrentLiabilitiesOtherThanLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale"
                            weight="1.0"
                            order="11.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:label="ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_EquityAndLiabilities"
                          xlink:to="ifrs-full_LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale"
                            weight="1.0"
                            order="12.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="ifrs-full_NoncurrentLiabilities" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_EquityAndLiabilities"
                          xlink:to="ifrs-full_NoncurrentLiabilities"
                            weight="1.0"
                            order="13.0"
                          xlink:type="arc"/>
   </link:calculationLink>
   <link:calculationLink xlink:role="https://elengroup.com/xbrl/role/all/ias_1_role-210000" xlink:type="extended">
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity" xlink:type="locator"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_Equity"
                          xlink:to="ifrs-full_EquityAttributableToOwnersOfParent"
                            order="10.0"
                            weight="1.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterests" xlink:label="ifrs-full_NoncontrollingInterests" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_Equity"
                          xlink:to="ifrs-full_NoncontrollingInterests"
                            order="20.0"
                            weight="1.0"
                          xlink:type="arc"/>
   </link:calculationLink>
   <link:calculationLink xlink:role="https://elengroup.com/xbrl/role/all/ias_1_role-210000" xlink:type="extended">
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      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_EquityAttributableToOwnersOfParent"
                          xlink:to="ifrs-full_IssuedCapital"
                            order="10.0"
                            weight="1.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RetainedEarnings" xlink:label="ifrs-full_RetainedEarnings" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_EquityAttributableToOwnersOfParent"
                          xlink:to="ifrs-full_RetainedEarnings"
                            order="20.0"
                            weight="1.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SharePremium" xlink:label="ifrs-full_SharePremium" xlink:type="locator"/>
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                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_EquityAttributableToOwnersOfParent"
                          xlink:to="ifrs-full_SharePremium"
                            order="30.0"
                            weight="1.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TreasuryShares" xlink:label="ifrs-full_TreasuryShares" xlink:type="locator"/>
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                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_EquityAttributableToOwnersOfParent"
                          xlink:to="ifrs-full_TreasuryShares"
                            order="40.0"
                            weight="-1.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="81560012F663E89E7085-2025-12-31.xsd#ext_UtilePerditaDiPeriodo" xlink:label="ext_UtilePerditaDiPeriodo" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_EquityAttributableToOwnersOfParent"
                          xlink:to="ext_UtilePerditaDiPeriodo"
                            weight="1.0"
                            order="41.0"
                          xlink:type="arc"/>
      <link:loc xlink:href="81560012F663E89E7085-2025-12-31.xsd#ext_AltreRiserveTotali" xlink:label="ext_AltreRiserveTotali" xlink:type="locator"/>
      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_EquityAttributableToOwnersOfParent"
                          xlink:to="ext_AltreRiserveTotali"
                            weight="1.0"
                            order="42.0"
                          xlink:type="arc"/>
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   <link:calculationLink xlink:role="https://elengroup.com/xbrl/role/all/ias_1_role-210000" xlink:type="extended">
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      <link:calculationArc
                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_NoncurrentLiabilities"
                          xlink:to="ifrs-full_DeferredTaxLiabilities"
                            order="30.0"
                            weight="1.0"
                          xlink:type="arc"/>
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                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_NoncurrentLiabilities"
                          xlink:to="ifrs-full_OtherNoncurrentFinancialLiabilities"
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                            weight="1.0"
                          xlink:type="arc"/>
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                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_NoncurrentLiabilities"
                          xlink:to="ifrs-full_OtherNoncurrentNonfinancialLiabilities"
                            order="60.0"
                            weight="1.0"
                          xlink:type="arc"/>
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                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_NoncurrentLiabilities"
                          xlink:to="ifrs-full_OtherLongtermProvisions"
                            weight="1.0"
                            order="61.0"
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                          xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item"
                          xlink:from="ifrs-full_NoncurrentLiabilities"
                          xlink:to="ifrs-full_NoncurrentProvisionsForEmployeeBenefits"
                            weight="1.0"
                            order="62.0"
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