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<!--Created by Prophix, Powered by IRIS Carbon, Unique Code 69c2421b9e60eb2ec8addee1, Generated At Tue, 24 Mar 2026 07:50:41 GMT-->
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="CashFlowsFromUsedInOperatingActivities" xlink:title="CashFlowsFromUsedInOperatingActivities" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowsFromUsedInOperatingActivities" xlink:to="label_CashFlowsFromUsedInOperatingActivities" xlink:title="Label : CashFlowsFromUsedInOperatingActivities to label_CashFlowsFromUsedInOperatingActivities" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowsFromUsedInOperatingActivities" xlink:to="label_CashFlowsFromUsedInOperatingActivities_1" xlink:title="Label : CashFlowsFromUsedInOperatingActivities to label_CashFlowsFromUsedInOperatingActivities_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="CashFlowsFromUsedInInvestingActivities" xlink:title="CashFlowsFromUsedInInvestingActivities" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowsFromUsedInInvestingActivities" xlink:to="label_CashFlowsFromUsedInInvestingActivities" xlink:title="Label : CashFlowsFromUsedInInvestingActivities to label_CashFlowsFromUsedInInvestingActivities" />
    <link:label xlink:type="resource" xlink:label="label_CashFlowsFromUsedInInvestingActivities_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CashFlowsFromUsedInInvestingActivities_1" xml:lang="fr" id="label_CashFlowsFromUsedInInvestingActivities_1">Augmentation (diminution) de la trésorerie d’investissements</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowsFromUsedInInvestingActivities" xlink:to="label_CashFlowsFromUsedInInvestingActivities_1" xlink:title="Label : CashFlowsFromUsedInInvestingActivities to label_CashFlowsFromUsedInInvestingActivities_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="CashFlowsFromUsedInFinancingActivities" xlink:title="CashFlowsFromUsedInFinancingActivities" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowsFromUsedInFinancingActivities" xlink:to="label_CashFlowsFromUsedInFinancingActivities" xlink:title="Label : CashFlowsFromUsedInFinancingActivities to label_CashFlowsFromUsedInFinancingActivities" />
    <link:label xlink:type="resource" xlink:label="label_CashFlowsFromUsedInFinancingActivities_1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_CashFlowsFromUsedInFinancingActivities_1" xml:lang="fr" id="label_CashFlowsFromUsedInFinancingActivities_1">Augmentation (diminution) de la trésorerie de financement</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherIncome" xlink:label="OtherIncome" xlink:title="OtherIncome" />
    <link:label xlink:type="resource" xlink:label="label_OtherIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_OtherIncome" xml:lang="fr" id="label_OtherIncome">Autres produits opérationnels</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherIncome" xlink:to="label_OtherIncome" xlink:title="Label : OtherIncome to label_OtherIncome" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital" xlink:label="AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital" xlink:title="AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital" />
    <link:label xlink:type="resource" xlink:label="label_AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital" xml:lang="fr" id="label_AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital">Ajustements pour éléments non monétaires</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital" xlink:to="label_AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital" xlink:title="Label : AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital to label_AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:label="CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:title="CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:label="ProfitLossAttributableToOwnersOfParent" xlink:title="ProfitLossAttributableToOwnersOfParent" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:title="IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" />
    <link:label xlink:type="resource" xlink:label="label_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xml:lang="fr" id="label_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges">Variation nette de la période</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="label_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:title="Label : IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges to label_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:label="IncreaseDecreaseInWorkingCapital" xlink:title="IncreaseDecreaseInWorkingCapital" />
    <link:label xlink:type="resource" xlink:label="label_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_IncreaseDecreaseInWorkingCapital" xml:lang="fr" id="label_IncreaseDecreaseInWorkingCapital">Variation du besoin en fonds de roulement d'exploitation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInWorkingCapital" xlink:to="label_IncreaseDecreaseInWorkingCapital" xlink:title="Label : IncreaseDecreaseInWorkingCapital to label_IncreaseDecreaseInWorkingCapital" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:label="GainsLossesOnDisposalsOfInvestments" xlink:title="GainsLossesOnDisposalsOfInvestments" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GainsLossesOnDisposalsOfInvestments" xlink:to="label_GainsLossesOnDisposalsOfInvestments" xlink:title="Label : GainsLossesOnDisposalsOfInvestments to label_GainsLossesOnDisposalsOfInvestments" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TreasuryShares" xlink:label="TreasuryShares" xlink:title="TreasuryShares" />
    <link:label xlink:type="resource" xlink:label="label_TreasuryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_TreasuryShares" xml:lang="fr" id="label_TreasuryShares">Réserves</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TreasuryShares" xlink:to="label_TreasuryShares" xlink:title="Label : TreasuryShares to label_TreasuryShares" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:label="PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:title="PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" />
    <link:label xlink:type="resource" xlink:label="label_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xml:lang="fr" id="label_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities">Acquisitions d'immobilisations financières</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:to="label_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:title="Label : PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities to label_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" />
    <link:loc xlink:type="locator" xlink:href="549300ZIL1V7D7F3YH40-2025-12-31.xsd#ateb_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables" xlink:label="AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables" xlink:title="AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables" />
    <link:label xlink:type="resource" xlink:label="label_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables" xml:lang="fr" id="label_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables">Ajustements pour diminution augmentation des autres créances et dettes d'exploitation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables" xlink:to="label_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables" xlink:title="Label : AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables to label_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables" />
    <link:label xlink:type="resource" xlink:label="label_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables_1" xml:lang="fr" id="label_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivablesAndPayables_1">Variation des autres créances et dettes</link:label>
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    <link:loc xlink:type="locator" xlink:href="549300ZIL1V7D7F3YH40-2025-12-31.xsd#ateb_AdjustmentsForIncreaseDecreaseInAmountsPayableRegardingWageTaxes" xlink:label="AdjustmentsForIncreaseDecreaseInAmountsPayableRegardingWageTaxes" xlink:title="AdjustmentsForIncreaseDecreaseInAmountsPayableRegardingWageTaxes" />
    <link:label xlink:type="resource" xlink:label="label_AdjustmentsForIncreaseDecreaseInAmountsPayableRegardingWageTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AdjustmentsForIncreaseDecreaseInAmountsPayableRegardingWageTaxes" xml:lang="fr" id="label_AdjustmentsForIncreaseDecreaseInAmountsPayableRegardingWageTaxes">Variation des dettes fiscales sur salaires</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsForIncreaseDecreaseInAmountsPayableRegardingWageTaxes" xlink:to="label_AdjustmentsForIncreaseDecreaseInAmountsPayableRegardingWageTaxes" xlink:title="Label : AdjustmentsForIncreaseDecreaseInAmountsPayableRegardingWageTaxes to label_AdjustmentsForIncreaseDecreaseInAmountsPayableRegardingWageTaxes" />
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    <link:loc xlink:type="locator" xlink:href="549300ZIL1V7D7F3YH40-2025-12-31.xsd#ateb_IssuedCapitalAndSharePremium" xlink:label="IssuedCapitalAndSharePremium" xlink:title="IssuedCapitalAndSharePremium" />
    <link:label xlink:type="resource" xlink:label="label_IssuedCapitalAndSharePremium" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_IssuedCapitalAndSharePremium" xml:lang="fr" id="label_IssuedCapitalAndSharePremium">Capital émis et prime d’émission</link:label>
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    <link:label xlink:type="resource" xlink:label="label_IssuedCapitalAndSharePremium_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_IssuedCapitalAndSharePremium_1" xml:lang="fr" id="label_IssuedCapitalAndSharePremium_1">Capital souscrit</link:label>
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    <link:loc xlink:type="locator" xlink:href="549300ZIL1V7D7F3YH40-2025-12-31.xsd#ateb_ResultForYearFromUsedInOperations" xlink:label="ResultForYearFromUsedInOperations" xlink:title="ResultForYearFromUsedInOperations" />
    <link:label xlink:type="resource" xlink:label="label_ResultForYearFromUsedInOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ResultForYearFromUsedInOperations" xml:lang="fr" id="label_ResultForYearFromUsedInOperations">Résultat de l'exercice</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResultForYearFromUsedInOperations" xlink:to="label_ResultForYearFromUsedInOperations" xlink:title="Label : ResultForYearFromUsedInOperations to label_ResultForYearFromUsedInOperations" />
    <link:label xlink:type="resource" xlink:label="label_ResultForYearFromUsedInOperations_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ResultForYearFromUsedInOperations_1" xml:lang="fr" id="label_ResultForYearFromUsedInOperations_1">Résultat pour l'année d'utilisation dans les opérations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResultForYearFromUsedInOperations" xlink:to="label_ResultForYearFromUsedInOperations_1" xlink:title="Label : ResultForYearFromUsedInOperations to label_ResultForYearFromUsedInOperations_1" />
    <link:label xlink:type="resource" xlink:label="label_ResultForYearFromUsedInOperations_2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_ResultForYearFromUsedInOperations_2" xml:lang="fr" id="label_ResultForYearFromUsedInOperations_2">Résultat de l'exercice</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResultForYearFromUsedInOperations" xlink:to="label_ResultForYearFromUsedInOperations_2" xlink:title="Label : ResultForYearFromUsedInOperations to label_ResultForYearFromUsedInOperations_2" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GrossProfit" xlink:label="GrossProfit" xlink:title="GrossProfit" />
    <link:label xlink:type="resource" xlink:label="label_GrossProfit" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_GrossProfit" xml:lang="fr" id="label_GrossProfit">Marge brute sur cessions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrossProfit" xlink:to="label_GrossProfit" xlink:title="Label : GrossProfit to label_GrossProfit" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherOperatingIncomeExpense" xlink:label="OtherOperatingIncomeExpense" xlink:title="OtherOperatingIncomeExpense" />
    <link:label xlink:type="resource" xlink:label="label_OtherOperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_OtherOperatingIncomeExpense" xml:lang="fr" id="label_OtherOperatingIncomeExpense">Autres produits et charges opérationnels</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherOperatingIncomeExpense" xlink:to="label_OtherOperatingIncomeExpense" xlink:title="Label : OtherOperatingIncomeExpense to label_OtherOperatingIncomeExpense" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" xlink:label="DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" xlink:title="DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" />
    <link:label xlink:type="resource" xlink:label="label_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" xml:lang="fr" id="label_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities">Dividendes versés par les participations mises en équivalence</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" xlink:to="label_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" xlink:title="Label : DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities to label_DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities" />
    <link:loc xlink:type="locator" xlink:href="549300ZIL1V7D7F3YH40-2025-12-31.xsd#ateb_DisclosureOfLosingControlOfSubsidiariesExplanatory" xlink:label="DisclosureOfLosingControlOfSubsidiariesExplanatory" xlink:title="DisclosureOfLosingControlOfSubsidiariesExplanatory" />
    <link:label xlink:type="resource" xlink:label="label_DisclosureOfLosingControlOfSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DisclosureOfLosingControlOfSubsidiariesExplanatory" xml:lang="fr" id="label_DisclosureOfLosingControlOfSubsidiariesExplanatory">L'ensemble des informations à fournir en cas de perte de contrôle de filiales.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisclosureOfLosingControlOfSubsidiariesExplanatory" xlink:to="label_DisclosureOfLosingControlOfSubsidiariesExplanatory" xlink:title="Label : DisclosureOfLosingControlOfSubsidiariesExplanatory to label_DisclosureOfLosingControlOfSubsidiariesExplanatory" />
    <link:label xlink:type="resource" xlink:label="label_DisclosureOfLosingControlOfSubsidiariesExplanatory_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DisclosureOfLosingControlOfSubsidiariesExplanatory_1" xml:lang="fr" id="label_DisclosureOfLosingControlOfSubsidiariesExplanatory_1">Informations de la perte de contrôle des filiales</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisclosureOfLosingControlOfSubsidiariesExplanatory" xlink:to="label_DisclosureOfLosingControlOfSubsidiariesExplanatory_1" xlink:title="Label : DisclosureOfLosingControlOfSubsidiariesExplanatory to label_DisclosureOfLosingControlOfSubsidiariesExplanatory_1" />
    <link:loc xlink:type="locator" xlink:href="549300ZIL1V7D7F3YH40-2025-12-31.xsd#ateb_EarningsBeforeInterestAndTax" xlink:label="EarningsBeforeInterestAndTax" xlink:title="EarningsBeforeInterestAndTax" />
    <link:label xlink:type="resource" xlink:label="label_EarningsBeforeInterestAndTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EarningsBeforeInterestAndTax" xml:lang="fr" id="label_EarningsBeforeInterestAndTax">Résultat avant charges d’intérêts et impôts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsBeforeInterestAndTax" xlink:to="label_EarningsBeforeInterestAndTax" xlink:title="Label : EarningsBeforeInterestAndTax to label_EarningsBeforeInterestAndTax" />
    <link:label xlink:type="resource" xlink:label="label_EarningsBeforeInterestAndTax_1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_EarningsBeforeInterestAndTax_1" xml:lang="fr" id="label_EarningsBeforeInterestAndTax_1">Résultat avant charges d’intérêts et impôts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsBeforeInterestAndTax" xlink:to="label_EarningsBeforeInterestAndTax_1" xlink:title="Label : EarningsBeforeInterestAndTax to label_EarningsBeforeInterestAndTax_1" />
    <link:label xlink:type="resource" xlink:label="label_EarningsBeforeInterestAndTax_2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_EarningsBeforeInterestAndTax_2" xml:lang="fr" id="label_EarningsBeforeInterestAndTax_2">Le montant des bénéfices avant intérêts et impôts (EBIT).</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsBeforeInterestAndTax" xlink:to="label_EarningsBeforeInterestAndTax_2" xlink:title="Label : EarningsBeforeInterestAndTax to label_EarningsBeforeInterestAndTax_2" />
    <link:loc xlink:type="locator" xlink:href="549300ZIL1V7D7F3YH40-2025-12-31.xsd#ateb_OperatingProfitLossBeforeValueAdjustment" xlink:label="OperatingProfitLossBeforeValueAdjustment" xlink:title="OperatingProfitLossBeforeValueAdjustment" />
    <link:label xlink:type="resource" xlink:label="label_OperatingProfitLossBeforeValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OperatingProfitLossBeforeValueAdjustment" xml:lang="fr" id="label_OperatingProfitLossBeforeValueAdjustment">Résultat opérationnel avant ajustement de valeur</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingProfitLossBeforeValueAdjustment" xlink:to="label_OperatingProfitLossBeforeValueAdjustment" xlink:title="Label : OperatingProfitLossBeforeValueAdjustment to label_OperatingProfitLossBeforeValueAdjustment" />
    <link:label xlink:type="resource" xlink:label="label_OperatingProfitLossBeforeValueAdjustment_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_OperatingProfitLossBeforeValueAdjustment_1" xml:lang="fr" id="label_OperatingProfitLossBeforeValueAdjustment_1">Le résultat d'exploitation (perte) de l'entité avant ajustement de valeur.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingProfitLossBeforeValueAdjustment" xlink:to="label_OperatingProfitLossBeforeValueAdjustment_1" xlink:title="Label : OperatingProfitLossBeforeValueAdjustment to label_OperatingProfitLossBeforeValueAdjustment_1" />
    <link:label xlink:type="resource" xlink:label="label_OperatingProfitLossBeforeValueAdjustment_2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_OperatingProfitLossBeforeValueAdjustment_2" xml:lang="fr" id="label_OperatingProfitLossBeforeValueAdjustment_2">Résultat opérationnel avant ajustement de valeur</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingProfitLossBeforeValueAdjustment" xlink:to="label_OperatingProfitLossBeforeValueAdjustment_2" xlink:title="Label : OperatingProfitLossBeforeValueAdjustment to label_OperatingProfitLossBeforeValueAdjustment_2" />
    <link:loc xlink:type="locator" xlink:href="549300ZIL1V7D7F3YH40-2025-12-31.xsd#ateb_EffectOfNonMonetaryChangesOnCashAndCashEquivalents" xlink:label="EffectOfNonMonetaryChangesOnCashAndCashEquivalents" xlink:title="EffectOfNonMonetaryChangesOnCashAndCashEquivalents" />
    <link:label xlink:type="resource" xlink:label="label_EffectOfNonMonetaryChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_EffectOfNonMonetaryChangesOnCashAndCashEquivalents" xml:lang="fr" id="label_EffectOfNonMonetaryChangesOnCashAndCashEquivalents">L’effet des variations non monétaires sur la trésorerie et les équivalents de trésorerie.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectOfNonMonetaryChangesOnCashAndCashEquivalents" xlink:to="label_EffectOfNonMonetaryChangesOnCashAndCashEquivalents" xlink:title="Label : EffectOfNonMonetaryChangesOnCashAndCashEquivalents to label_EffectOfNonMonetaryChangesOnCashAndCashEquivalents" />
    <link:label xlink:type="resource" xlink:label="label_EffectOfNonMonetaryChangesOnCashAndCashEquivalents_1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EffectOfNonMonetaryChangesOnCashAndCashEquivalents_1" xml:lang="fr" id="label_EffectOfNonMonetaryChangesOnCashAndCashEquivalents_1">Variations non monétaires</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectOfNonMonetaryChangesOnCashAndCashEquivalents" xlink:to="label_EffectOfNonMonetaryChangesOnCashAndCashEquivalents_1" xlink:title="Label : EffectOfNonMonetaryChangesOnCashAndCashEquivalents to label_EffectOfNonMonetaryChangesOnCashAndCashEquivalents_1" />
    <link:loc xlink:type="locator" xlink:href="549300ZIL1V7D7F3YH40-2025-12-31.xsd#ateb_DirectorsFeesPaidClassifiedAsOperatingActivities" xlink:label="DirectorsFeesPaidClassifiedAsOperatingActivities" xlink:title="DirectorsFeesPaidClassifiedAsOperatingActivities" />
    <link:label xlink:type="resource" xlink:label="label_DirectorsFeesPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_DirectorsFeesPaidClassifiedAsOperatingActivities" xml:lang="fr" id="label_DirectorsFeesPaidClassifiedAsOperatingActivities">Tantièmes versés aux administrateurs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DirectorsFeesPaidClassifiedAsOperatingActivities" xlink:to="label_DirectorsFeesPaidClassifiedAsOperatingActivities" xlink:title="Label : DirectorsFeesPaidClassifiedAsOperatingActivities to label_DirectorsFeesPaidClassifiedAsOperatingActivities" />
    <link:label xlink:type="resource" xlink:label="label_DirectorsFeesPaidClassifiedAsOperatingActivities_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_DirectorsFeesPaidClassifiedAsOperatingActivities_1" xml:lang="fr" id="label_DirectorsFeesPaidClassifiedAsOperatingActivities_1">Les sorties de trésorerie liées aux honoraires des administrateurs versés, classées comme activités d'exploitation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DirectorsFeesPaidClassifiedAsOperatingActivities" xlink:to="label_DirectorsFeesPaidClassifiedAsOperatingActivities_1" xlink:title="Label : DirectorsFeesPaidClassifiedAsOperatingActivities to label_DirectorsFeesPaidClassifiedAsOperatingActivities_1" />
    <link:loc xlink:type="locator" xlink:href="549300ZIL1V7D7F3YH40-2025-12-31.xsd#ateb_Reserves" xlink:label="Reserves" xlink:title="Reserves" />
    <link:label xlink:type="resource" xlink:label="label_Reserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_Reserves" xml:lang="fr" id="label_Reserves">Réserves</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Reserves" xlink:to="label_Reserves" xlink:title="Label : Reserves to label_Reserves" />
    <link:label xlink:type="resource" xlink:label="label_Reserves_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_Reserves_1" xml:lang="fr" id="label_Reserves_1">Une composante des capitaux propres résultant des réserves.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Reserves" xlink:to="label_Reserves_1" xlink:title="Label : Reserves to label_Reserves_1" />
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