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<!--Created by Prophix, Powered by IRIS Carbon, Unique Code 65fb2ca2e538d1089c0fe47b, Generated At Wed, 20 Mar 2024 18:39:21 GMT-->
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    <link:label xlink:type="resource" xlink:label="label_OtherReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_OtherReserves" xml:lang="fr" id="label_OtherReserves">Réserves</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables" xlink:label="AdjustmentsForIncreaseDecreaseInOtherOperatingPayables" xlink:title="AdjustmentsForIncreaseDecreaseInOtherOperatingPayables" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InflowsOfCashFromInvestingActivities" xlink:label="InflowsOfCashFromInvestingActivities" xlink:title="InflowsOfCashFromInvestingActivities" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="CashFlowsFromUsedInFinancingActivities" xlink:title="CashFlowsFromUsedInFinancingActivities" />
    <link:label xlink:type="resource" xlink:label="label_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_CashFlowsFromUsedInFinancingActivities" xml:lang="fr" id="label_CashFlowsFromUsedInFinancingActivities">Augmentation (diminution) de la trésorerie de financement</link:label>
    <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>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowsFromUsedInFinancingActivities" xlink:to="label_CashFlowsFromUsedInFinancingActivities_1" xlink:title="Label : CashFlowsFromUsedInFinancingActivities to label_CashFlowsFromUsedInFinancingActivities_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital" xlink:label="AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital" xlink:title="AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital" />
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:label="CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:title="CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" />
    <link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xml:lang="fr" id="label_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition">Trésorerie de début d'exercice</link:label>
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    <link:label xlink:type="resource" xlink:label="label_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition_1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition_1" xml:lang="fr" id="label_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition_1">Trésorerie de fin d'exercice</link:label>
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    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:label="IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:title="IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" />
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    <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/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OperatingExpense" xlink:label="OperatingExpense" xlink:title="OperatingExpense" />
    <link:label xlink:type="resource" xlink:label="label_OperatingExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_OperatingExpense" xml:lang="fr" id="label_OperatingExpense">Charges opérationnelles</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpense" xlink:to="label_OperatingExpense" xlink:title="Label : OperatingExpense to label_OperatingExpense" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:label="GainsLossesOnDisposalsOfInvestments" xlink:title="GainsLossesOnDisposalsOfInvestments" />
    <link:label xlink:type="resource" xlink:label="label_GainsLossesOnDisposalsOfInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_GainsLossesOnDisposalsOfInvestments" xml:lang="fr" id="label_GainsLossesOnDisposalsOfInvestments">Résultat sur cession d'actifs financiers</link:label>
    <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="549300ZIL1V7D7F3YH40-2023-12-31.xsd#ateb_ValueAdjustmentsOfInventories" xlink:label="ValueAdjustmentsOfInventories" xlink:title="ValueAdjustmentsOfInventories" />
    <link:label xlink:type="resource" xlink:label="label_ValueAdjustmentsOfInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ValueAdjustmentsOfInventories" xml:lang="fr" id="label_ValueAdjustmentsOfInventories">Ajustements de valeur</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValueAdjustmentsOfInventories" xlink:to="label_ValueAdjustmentsOfInventories" xlink:title="Label : ValueAdjustmentsOfInventories to label_ValueAdjustmentsOfInventories" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:label="DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:title="DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" />
    <link:label xlink:type="resource" xlink:label="label_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xml:lang="fr" id="label_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare">Proposition de dividende brut par action</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:to="label_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:title="Label : DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare to label_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.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" />
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