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    <link:label id="lab_lisi_ProceedsOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill_a1c498b0-c6f0-451e-bd60-ba1164b7af06_terseLabel_fr" xlink:label="lab_lisi_ProceedsOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Cession d'immobilisations corporelles et incorporelles</link:label>
    <link:label id="lab_lisi_ProceedsOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill_label_fr" xlink:label="lab_lisi_ProceedsOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Proceeds of property plant equipment and intangible assets other than goodwill</link:label>
    <link:label id="lab_lisi_ProceedsOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill_documentation_fr" xlink:label="lab_lisi_ProceedsOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Proceeds of property plant equipment and intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_ProceedsOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill" xlink:href="lisi-2024-12-31.xsd#lisi_ProceedsOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_ProceedsOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill" xlink:to="lab_lisi_ProceedsOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OutflowsOfCashFromInvestingActivities_a142473c-1edc-467c-bb5d-8275c844d6c6_negatedLabel_fr" xlink:label="lab_ifrs-full_OutflowsOfCashFromInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Sorties de trésorerie provenant des activités d’investissement</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OutflowsOfCashFromInvestingActivities" xlink:to="lab_ifrs-full_OutflowsOfCashFromInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities_d366bf0d-2d55-4e96-a700-66c8e9b8600a_negatedLabel_fr" xlink:label="lab_ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Dividendes versés aux porteurs d’actions de l’entité mère, classés dans les activités de financement</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_CashFlowsFromUsedInOperationsAfterCostOfNetDebtAndIncomeTaxExpense_aaf462ed-4a8f-40e0-b1b5-ea6676444710_totalLabel_fr" xlink:label="lab_lisi_CashFlowsFromUsedInOperationsAfterCostOfNetDebtAndIncomeTaxExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">CAPACITÉ D'AUTOFINANCEMENT</link:label>
    <link:label id="lab_lisi_CashFlowsFromUsedInOperationsAfterCostOfNetDebtAndIncomeTaxExpense_label_fr" xlink:label="lab_lisi_CashFlowsFromUsedInOperationsAfterCostOfNetDebtAndIncomeTaxExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Cash flows from used in operations after cost of net debt and income tax expense</link:label>
    <link:label id="lab_lisi_CashFlowsFromUsedInOperationsAfterCostOfNetDebtAndIncomeTaxExpense_documentation_fr" xlink:label="lab_lisi_CashFlowsFromUsedInOperationsAfterCostOfNetDebtAndIncomeTaxExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Cash flows from used in operations after cost of net debt and income tax expense</link:label>
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    <link:label id="lab_lisi_CurrentAssetsExplanatoryTextBlock_label_fr" xlink:label="lab_lisi_CurrentAssetsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Current assets explanatory [Text Block]</link:label>
    <link:label id="lab_lisi_CurrentAssetsExplanatoryTextBlock_documentation_fr" xlink:label="lab_lisi_CurrentAssetsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Current assets explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_CurrentAssetsExplanatoryTextBlock" xlink:href="lisi-2024-12-31.xsd#lisi_CurrentAssetsExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_CurrentAssetsExplanatoryTextBlock" xlink:to="lab_lisi_CurrentAssetsExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_TotalCashUsedForInvestmentActivities_bc3d6185-6f13-4221-b996-3ecac4847e49_terseLabel_fr" xlink:label="lab_lisi_TotalCashUsedForInvestmentActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">TOTAL FLUX D'INVESTISSEMENT</link:label>
    <link:label id="lab_lisi_TotalCashUsedForInvestmentActivities_label_fr" xlink:label="lab_lisi_TotalCashUsedForInvestmentActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Total cash used for investment activities</link:label>
    <link:label id="lab_lisi_TotalCashUsedForInvestmentActivities_documentation_fr" xlink:label="lab_lisi_TotalCashUsedForInvestmentActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Total cash used for investment activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_TotalCashUsedForInvestmentActivities" xlink:href="lisi-2024-12-31.xsd#lisi_TotalCashUsedForInvestmentActivities"/>
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    <link:label id="lab_lisi_EffectOfAdjustmentsInTreasuryShares_c67bcf1b-ec74-4a28-b53e-a9aa5235021b_terseLabel_fr" xlink:label="lab_lisi_EffectOfAdjustmentsInTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Incidence du retraitement des actions auto-détenues et divers</link:label>
    <link:label id="lab_lisi_EffectOfAdjustmentsInTreasuryShares_label_fr" xlink:label="lab_lisi_EffectOfAdjustmentsInTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Effect of adjustments in treasury shares</link:label>
    <link:label id="lab_lisi_EffectOfAdjustmentsInTreasuryShares_documentation_fr" xlink:label="lab_lisi_EffectOfAdjustmentsInTreasuryShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Effect of adjustments in treasury shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_EffectOfAdjustmentsInTreasuryShares" xlink:href="lisi-2024-12-31.xsd#lisi_EffectOfAdjustmentsInTreasuryShares"/>
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    <link:label id="lab_lisi_DetailOfConsolidatedStatementOfFinancialPositionExplanatoryTextBlock_label_fr" xlink:label="lab_lisi_DetailOfConsolidatedStatementOfFinancialPositionExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Detail of consolidated statement of financial position explanatory [Text Block]</link:label>
    <link:label id="lab_lisi_DetailOfConsolidatedStatementOfFinancialPositionExplanatoryTextBlock_documentation_fr" xlink:label="lab_lisi_DetailOfConsolidatedStatementOfFinancialPositionExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Detail of consolidated statement of financial position explanatory</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_DetailOfConsolidatedStatementOfFinancialPositionExplanatoryTextBlock" xlink:to="lab_lisi_DetailOfConsolidatedStatementOfFinancialPositionExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_FinanceCostsAndInterestIncomeOnCashAndCashEquivalents_1808e7ea-e35b-41dc-8691-a12688eac842_terseLabel_fr" xlink:label="lab_lisi_FinanceCostsAndInterestIncomeOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Produits de trésorerie et charges de financement</link:label>
    <link:label id="lab_lisi_FinanceCostsAndInterestIncomeOnCashAndCashEquivalents_label_fr" xlink:label="lab_lisi_FinanceCostsAndInterestIncomeOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Finance costs and interest income on cash and cash equivalents</link:label>
    <link:label id="lab_lisi_FinanceCostsAndInterestIncomeOnCashAndCashEquivalents_documentation_fr" xlink:label="lab_lisi_FinanceCostsAndInterestIncomeOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Finance costs and interest income on cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_FinanceCostsAndInterestIncomeOnCashAndCashEquivalents" xlink:href="lisi-2024-12-31.xsd#lisi_FinanceCostsAndInterestIncomeOnCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_FinanceCostsAndInterestIncomeOnCashAndCashEquivalents" xlink:to="lab_lisi_FinanceCostsAndInterestIncomeOnCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_TotalCashFromDisposals_bb528ed3-ec3c-490a-9de7-85f75b058d81_terseLabel_fr" xlink:label="lab_lisi_TotalCashFromDisposals" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">TOTAL FLUX DE DÉSINVESTISSEMENT</link:label>
    <link:label id="lab_lisi_TotalCashFromDisposals_label_fr" xlink:label="lab_lisi_TotalCashFromDisposals" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Total cash from disposals</link:label>
    <link:label id="lab_lisi_TotalCashFromDisposals_documentation_fr" xlink:label="lab_lisi_TotalCashFromDisposals" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Total cash from disposals</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_TotalCashFromDisposals" xlink:href="lisi-2024-12-31.xsd#lisi_TotalCashFromDisposals"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_TotalCashFromDisposals" xlink:to="lab_lisi_TotalCashFromDisposals" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_bbb7cf32-9d21-44b7-8ab0-e6fe0b18a30c_negatedLabel_fr" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Flux de trésorerie utilisés dans l’obtention du contrôle sur des filiales et autres unités opérationnelles, classés dans les activités d’investissement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
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    <link:label id="lab_ifrs-full_OtherFinanceCost_2fda2e53-96a6-412b-afb3-f612f1f0e87c_negatedLabel_fr" xlink:label="lab_ifrs-full_OtherFinanceCost" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Autres charges financières</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFinanceCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherFinanceCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinanceCost" xlink:to="lab_ifrs-full_OtherFinanceCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital_4d6f517e-1866-42bb-bd2d-76b76b317c77_totalLabel_fr" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">MARGE BRUTE D'AUTOFINANCEMENT</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperationsBeforeChangesInWorkingCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_TangibleAssetsExplanatoryTextBlock_label_fr" xlink:label="lab_lisi_TangibleAssetsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Tangible assets explanatory [Text Block]</link:label>
    <link:label id="lab_lisi_TangibleAssetsExplanatoryTextBlock_documentation_fr" xlink:label="lab_lisi_TangibleAssetsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Tangible assets explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_TangibleAssetsExplanatoryTextBlock" xlink:href="lisi-2024-12-31.xsd#lisi_TangibleAssetsExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_TangibleAssetsExplanatoryTextBlock" xlink:to="lab_lisi_TangibleAssetsExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents_fae479be-9f9f-4e2d-a05e-ee619de9656b_negatedTerseLabel_fr" xlink:label="lab_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="fr">Concours bancaires courants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_BankOverdraftsClassifiedAsCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xlink:to="lab_ifrs-full_BankOverdraftsClassifiedAsCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepaymentsOfCurrentBorrowings_879d56a6-d594-4582-a5b4-574df3f8c91b_negatedLabel_fr" xlink:label="lab_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Remboursements d’emprunts courants</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RepaymentsOfCurrentBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:to="lab_ifrs-full_RepaymentsOfCurrentBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities_624ce91a-441f-4f64-a8cd-9f59e95af0b8_negatedLabel_fr" xlink:label="lab_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Impôts sur le résultat payés, classés dans les activités opérationnelles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities"/>
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    <link:label id="lab_lisi_ProfitLossFromOrdinaryOperatingActivities_ab3beda8-555d-4196-95b0-325c093b9ef9_terseLabel_fr" xlink:label="lab_lisi_ProfitLossFromOrdinaryOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">RÉSULTAT OPÉRATIONNEL COURANT (EBIT)</link:label>
    <link:label id="lab_lisi_ProfitLossFromOrdinaryOperatingActivities_label_fr" xlink:label="lab_lisi_ProfitLossFromOrdinaryOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Profit loss from ordinary operating activities</link:label>
    <link:label id="lab_lisi_ProfitLossFromOrdinaryOperatingActivities_documentation_fr" xlink:label="lab_lisi_ProfitLossFromOrdinaryOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Profit loss from ordinary operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_ProfitLossFromOrdinaryOperatingActivities" xlink:href="lisi-2024-12-31.xsd#lisi_ProfitLossFromOrdinaryOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_ProfitLossFromOrdinaryOperatingActivities" xlink:to="lab_lisi_ProfitLossFromOrdinaryOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities_a7ad51d1-095c-4ed7-8b09-c7bddb8e4b66_negatedLabel_fr" xlink:label="lab_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Acquisition d'actifs financiers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_ba6e3db5-c8e2-4b1f-b182-0398780d7957_totalLabel_fr" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) des activités opérationnelles</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_CashFlowsFromUsedInOperatingActivitiesBeforeTax_497a384c-8dfb-4fa1-8919-a0070eee9a41_terseLabel_fr" xlink:label="lab_lisi_CashFlowsFromUsedInOperatingActivitiesBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">FLUX NETS DE TRÉSORERIE LIÉS AUX ACTIVITÉS OPÉRATIONNELLES AVANT IMPÔT</link:label>
    <link:label id="lab_lisi_CashFlowsFromUsedInOperatingActivitiesBeforeTax_label_fr" xlink:label="lab_lisi_CashFlowsFromUsedInOperatingActivitiesBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Cash flows from used in operating activities before tax</link:label>
    <link:label id="lab_lisi_CashFlowsFromUsedInOperatingActivitiesBeforeTax_documentation_fr" xlink:label="lab_lisi_CashFlowsFromUsedInOperatingActivitiesBeforeTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Cash flows from used in operating activities before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_CashFlowsFromUsedInOperatingActivitiesBeforeTax" xlink:href="lisi-2024-12-31.xsd#lisi_CashFlowsFromUsedInOperatingActivitiesBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_CashFlowsFromUsedInOperatingActivitiesBeforeTax" xlink:to="lab_lisi_CashFlowsFromUsedInOperatingActivitiesBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_1b2e1fc3-3114-4840-83f6-d1696426276f_totalLabel_fr" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) d’activités de financement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_edba5913-e534-4867-a502-91136b5a663b_negatedLabel_fr" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Intérêts payés, classés dans les activités de financement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_RetainedEarningsAndOtherReservesMember_adc855dd-9966-4f23-967e-fd26a3683780_terseLabel_fr" xlink:label="lab_lisi_RetainedEarningsAndOtherReservesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Réserves consolidées [member]</link:label>
    <link:label id="lab_lisi_RetainedEarningsAndOtherReservesMember_label_fr" xlink:label="lab_lisi_RetainedEarningsAndOtherReservesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Retained earnings and other reserves [Member]</link:label>
    <link:label id="lab_lisi_RetainedEarningsAndOtherReservesMember_documentation_fr" xlink:label="lab_lisi_RetainedEarningsAndOtherReservesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Retained earnings and other reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_RetainedEarningsAndOtherReservesMember" xlink:href="lisi-2024-12-31.xsd#lisi_RetainedEarningsAndOtherReservesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_RetainedEarningsAndOtherReservesMember" xlink:to="lab_lisi_RetainedEarningsAndOtherReservesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition_d0a1ae7f-6672-43b9-8204-29fc6d87a634_periodStartLabel_fr" xlink:label="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="fr">Trésorerie et équivalents de trésorerie si différents de l’état de la situation financière</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition_8a972e42-d972-4b98-a211-fcf99028c0b9_periodEndLabel_fr" xlink:label="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="fr">Trésorerie et équivalents de trésorerie si différents de l’état de la situation financière</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:to="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_RetainedEarningsAndOtherReserves_bac61eb7-e501-4c62-8d0d-6af21503b82c_terseLabel_fr" xlink:label="lab_lisi_RetainedEarningsAndOtherReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Réserves consolidées</link:label>
    <link:label id="lab_lisi_RetainedEarningsAndOtherReserves_label_fr" xlink:label="lab_lisi_RetainedEarningsAndOtherReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Retained earnings and other reserves</link:label>
    <link:label id="lab_lisi_RetainedEarningsAndOtherReserves_documentation_fr" xlink:label="lab_lisi_RetainedEarningsAndOtherReserves" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Retained earnings and other reserves</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_RetainedEarningsAndOtherReserves" xlink:href="lisi-2024-12-31.xsd#lisi_RetainedEarningsAndOtherReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_RetainedEarningsAndOtherReserves" xlink:to="lab_lisi_RetainedEarningsAndOtherReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_AdjustmentsForProvisionExpenseFromOrdinaryActivities_a0e51778-7cae-4bb2-bfab-280298b352aa_terseLabel_fr" xlink:label="lab_lisi_AdjustmentsForProvisionExpenseFromOrdinaryActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Variation nette des provisions liées à l'activité courante</link:label>
    <link:label id="lab_lisi_AdjustmentsForProvisionExpenseFromOrdinaryActivities_label_fr" xlink:label="lab_lisi_AdjustmentsForProvisionExpenseFromOrdinaryActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Adjustments for provision expense from ordinary activities</link:label>
    <link:label id="lab_lisi_AdjustmentsForProvisionExpenseFromOrdinaryActivities_documentation_fr" xlink:label="lab_lisi_AdjustmentsForProvisionExpenseFromOrdinaryActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Adjustments for provision expense from ordinary activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_AdjustmentsForProvisionExpenseFromOrdinaryActivities" xlink:href="lisi-2024-12-31.xsd#lisi_AdjustmentsForProvisionExpenseFromOrdinaryActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_AdjustmentsForProvisionExpenseFromOrdinaryActivities" xlink:to="lab_lisi_AdjustmentsForProvisionExpenseFromOrdinaryActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxExpenseOtherThanIncomeTaxExpense_53a48f2c-64ab-426f-8f0d-4fc5aec7157b_negatedLabel_fr" xlink:label="lab_ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Charges d’impôt autres que les charges d’impôt sur le résultat</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_TaxExpenseOtherThanIncomeTaxExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xlink:to="lab_ifrs-full_TaxExpenseOtherThanIncomeTaxExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarningsProfitLossForReportingPeriod_3e6b8210-97c3-473d-875e-55eadf805d48_terseLabel_fr" xlink:label="lab_ifrs-full_RetainedEarningsProfitLossForReportingPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Résultat de la période</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarningsProfitLossForReportingPeriod" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RetainedEarningsProfitLossForReportingPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarningsProfitLossForReportingPeriod" xlink:to="lab_ifrs-full_RetainedEarningsProfitLossForReportingPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherFinanceIncomeCost_140e1777-30e0-4338-9ecc-93ca18614fe4_totalLabel_fr" xlink:label="lab_ifrs-full_OtherFinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Autres produits financiers (charges financières)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_OtherFinanceIncomeCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinanceIncomeCost" xlink:to="lab_ifrs-full_OtherFinanceIncomeCost" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_TotalProduction_1ab8d6ae-618d-4c59-a444-7b08f3a19704_totalLabel_fr" xlink:label="lab_lisi_TotalProduction" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Total production</link:label>
    <link:label id="lab_lisi_TotalProduction_label_fr" xlink:label="lab_lisi_TotalProduction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Total production</link:label>
    <link:label id="lab_lisi_TotalProduction_documentation_fr" xlink:label="lab_lisi_TotalProduction" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Total production</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_TotalProduction" xlink:href="lisi-2024-12-31.xsd#lisi_TotalProduction"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_TotalProduction" xlink:to="lab_lisi_TotalProduction" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_AdjustmentsForDepreciationAndAmortisationExpenseAndNonCurrentFinancialProvisionsRecognisedInProfitOrLoss_d3b2e5bc-acb1-4567-8e75-4f868e59357e_terseLabel_fr" xlink:label="lab_lisi_AdjustmentsForDepreciationAndAmortisationExpenseAndNonCurrentFinancialProvisionsRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Amortissements et provisions financières et non récurrentes</link:label>
    <link:label id="lab_lisi_AdjustmentsForDepreciationAndAmortisationExpenseAndNonCurrentFinancialProvisionsRecognisedInProfitOrLoss_label_fr" xlink:label="lab_lisi_AdjustmentsForDepreciationAndAmortisationExpenseAndNonCurrentFinancialProvisionsRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Adjustments for depreciation and amortisation expense and non current financial provisions recognised in profit or loss</link:label>
    <link:label id="lab_lisi_AdjustmentsForDepreciationAndAmortisationExpenseAndNonCurrentFinancialProvisionsRecognisedInProfitOrLoss_documentation_fr" xlink:label="lab_lisi_AdjustmentsForDepreciationAndAmortisationExpenseAndNonCurrentFinancialProvisionsRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Adjustments for depreciation and amortisation expense and non current financial provisions recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_AdjustmentsForDepreciationAndAmortisationExpenseAndNonCurrentFinancialProvisionsRecognisedInProfitOrLoss" xlink:href="lisi-2024-12-31.xsd#lisi_AdjustmentsForDepreciationAndAmortisationExpenseAndNonCurrentFinancialProvisionsRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_AdjustmentsForDepreciationAndAmortisationExpenseAndNonCurrentFinancialProvisionsRecognisedInProfitOrLoss" xlink:to="lab_lisi_AdjustmentsForDepreciationAndAmortisationExpenseAndNonCurrentFinancialProvisionsRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivitiesOnChangeInGrantedLoansAndAdvances_0cb60e7d-446c-40c9-92b2-ff12d8190ca1_negatedTerseLabel_fr" xlink:label="lab_lisi_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivitiesOnChangeInGrantedLoansAndAdvances" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="fr">Variation des prêts et avances consentis</link:label>
    <link:label id="lab_lisi_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivitiesOnChangeInGrantedLoansAndAdvances_label_fr" xlink:label="lab_lisi_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivitiesOnChangeInGrantedLoansAndAdvances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Other inflows outflows of cash classified as Investing activities on change in granted loans and advances</link:label>
    <link:label id="lab_lisi_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivitiesOnChangeInGrantedLoansAndAdvances_documentation_fr" xlink:label="lab_lisi_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivitiesOnChangeInGrantedLoansAndAdvances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Other inflows outflows of cash classified as Investing activities on change in granted loans and advances</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivitiesOnChangeInGrantedLoansAndAdvances" xlink:href="lisi-2024-12-31.xsd#lisi_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivitiesOnChangeInGrantedLoansAndAdvances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivitiesOnChangeInGrantedLoansAndAdvances" xlink:to="lab_lisi_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivitiesOnChangeInGrantedLoansAndAdvances" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_ProvisionExpense_ac2ac6d6-b3b0-4cf6-8b84-c199dfebb14c_terseLabel_fr" xlink:label="lab_lisi_ProvisionExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Dotations nettes aux provisions</link:label>
    <link:label id="lab_lisi_ProvisionExpense_label_fr" xlink:label="lab_lisi_ProvisionExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Provision expense</link:label>
    <link:label id="lab_lisi_ProvisionExpense_documentation_fr" xlink:label="lab_lisi_ProvisionExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Provision expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_ProvisionExpense" xlink:href="lisi-2024-12-31.xsd#lisi_ProvisionExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_ProvisionExpense" xlink:to="lab_lisi_ProvisionExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_f08105d2-58c8-4106-b8d0-cb87efe257ff_totalLabel_fr" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Flux de trésorerie résultant (utilisés dans le cadre) d’activités d’investissement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_CashFlowsFromEquityUsedInFinancingActivities_51c91be9-b70a-4337-a7c6-73c1dc534072_terseLabel_fr" xlink:label="lab_lisi_CashFlowsFromEquityUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">TOTAL FLUX D'OPÉRATIONS SUR CAPITAUX PROPRES</link:label>
    <link:label id="lab_lisi_CashFlowsFromEquityUsedInFinancingActivities_label_fr" xlink:label="lab_lisi_CashFlowsFromEquityUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Cash flows from equity used in financing activities</link:label>
    <link:label id="lab_lisi_CashFlowsFromEquityUsedInFinancingActivities_documentation_fr" xlink:label="lab_lisi_CashFlowsFromEquityUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Cash flows from equity used in financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_CashFlowsFromEquityUsedInFinancingActivities" xlink:href="lisi-2024-12-31.xsd#lisi_CashFlowsFromEquityUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_CashFlowsFromEquityUsedInFinancingActivities" xlink:to="lab_lisi_CashFlowsFromEquityUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_OtherOperatingIncomeExpensesFromNonOrdinaryActivities_32db9b23-3bfe-4d9e-b4e1-d8f87787f482_terseLabel_fr" xlink:label="lab_lisi_OtherOperatingIncomeExpensesFromNonOrdinaryActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Charges et produits opérationnels non courants</link:label>
    <link:label id="lab_lisi_OtherOperatingIncomeExpensesFromNonOrdinaryActivities_label_fr" xlink:label="lab_lisi_OtherOperatingIncomeExpensesFromNonOrdinaryActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Other operating income expenses from non ordinary activities</link:label>
    <link:label id="lab_lisi_OtherOperatingIncomeExpensesFromNonOrdinaryActivities_documentation_fr" xlink:label="lab_lisi_OtherOperatingIncomeExpensesFromNonOrdinaryActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Other operating income expenses from non ordinary activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_OtherOperatingIncomeExpensesFromNonOrdinaryActivities" xlink:href="lisi-2024-12-31.xsd#lisi_OtherOperatingIncomeExpensesFromNonOrdinaryActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_OtherOperatingIncomeExpensesFromNonOrdinaryActivities" xlink:to="lab_lisi_OtherOperatingIncomeExpensesFromNonOrdinaryActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_IncomeOnDisposalsProvisionsForLiabilitiesAndOthers_892db2d7-5593-4001-b534-093496995520_terseLabel_fr" xlink:label="lab_lisi_IncomeOnDisposalsProvisionsForLiabilitiesAndOthers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Résultats sur cession, provisions passif et autres</link:label>
    <link:label id="lab_lisi_IncomeOnDisposalsProvisionsForLiabilitiesAndOthers_label_fr" xlink:label="lab_lisi_IncomeOnDisposalsProvisionsForLiabilitiesAndOthers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Income on disposals, provisions for liabilities and others</link:label>
    <link:label id="lab_lisi_IncomeOnDisposalsProvisionsForLiabilitiesAndOthers_documentation_fr" xlink:label="lab_lisi_IncomeOnDisposalsProvisionsForLiabilitiesAndOthers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Income on disposals, provisions for liabilities and others</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_IncomeOnDisposalsProvisionsForLiabilitiesAndOthers" xlink:href="lisi-2024-12-31.xsd#lisi_IncomeOnDisposalsProvisionsForLiabilitiesAndOthers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_IncomeOnDisposalsProvisionsForLiabilitiesAndOthers" xlink:to="lab_lisi_IncomeOnDisposalsProvisionsForLiabilitiesAndOthers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_eb66f638-7c1a-4b8a-b9d5-70a469d6ffa2_totalLabel_fr" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Augmentation (diminution) de la trésorerie et des équivalents de trésorerie après effet des variations des taux de change</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_NonCurrentAssetsExplanatoryTextBlock_label_fr" xlink:label="lab_lisi_NonCurrentAssetsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Non current assets explanatory [Text Block]</link:label>
    <link:label id="lab_lisi_NonCurrentAssetsExplanatoryTextBlock_documentation_fr" xlink:label="lab_lisi_NonCurrentAssetsExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Non current assets explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_NonCurrentAssetsExplanatoryTextBlock" xlink:href="lisi-2024-12-31.xsd#lisi_NonCurrentAssetsExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_NonCurrentAssetsExplanatoryTextBlock" xlink:to="lab_lisi_NonCurrentAssetsExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReductionOfIssuedCapital_b880ea35-b01d-4d4e-8ec2-a11504ed1b16_negatedLabel_fr" xlink:label="lab_ifrs-full_ReductionOfIssuedCapital" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Réduction du capital émis</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReductionOfIssuedCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ReductionOfIssuedCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReductionOfIssuedCapital" xlink:to="lab_ifrs-full_ReductionOfIssuedCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_IdentifiedSensitivitiesExplanatoryTextBlock_label_fr" xlink:label="lab_lisi_IdentifiedSensitivitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Identified sensitivities explanatory [Text Block]</link:label>
    <link:label id="lab_lisi_IdentifiedSensitivitiesExplanatoryTextBlock_documentation_fr" xlink:label="lab_lisi_IdentifiedSensitivitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Identified sensitivities explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_IdentifiedSensitivitiesExplanatoryTextBlock" xlink:href="lisi-2024-12-31.xsd#lisi_IdentifiedSensitivitiesExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_IdentifiedSensitivitiesExplanatoryTextBlock" xlink:to="lab_lisi_IdentifiedSensitivitiesExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_DetailOfConsolidatedIncomeStatementExplanatoryTextBlock_label_fr" xlink:label="lab_lisi_DetailOfConsolidatedIncomeStatementExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Detail of consolidated income statement explanatory [Text Block]</link:label>
    <link:label id="lab_lisi_DetailOfConsolidatedIncomeStatementExplanatoryTextBlock_documentation_fr" xlink:label="lab_lisi_DetailOfConsolidatedIncomeStatementExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Detail of consolidated income statement explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_DetailOfConsolidatedIncomeStatementExplanatoryTextBlock" xlink:href="lisi-2024-12-31.xsd#lisi_DetailOfConsolidatedIncomeStatementExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_DetailOfConsolidatedIncomeStatementExplanatoryTextBlock" xlink:to="lab_lisi_DetailOfConsolidatedIncomeStatementExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueAndOperatingIncome_f8034cb6-49db-4750-bc51-2c8a8f1ac947_totalLabel_fr" xlink:label="lab_ifrs-full_RevenueAndOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="fr">Produits des activités ordinaires et autres recettes d’exploitation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueAndOperatingIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RevenueAndOperatingIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueAndOperatingIncome" xlink:to="lab_ifrs-full_RevenueAndOperatingIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_AutresElementsDuResultatGlobal_label_fr" xlink:label="lab_lisi_AutresElementsDuResultatGlobal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Autres éléments du résultat global</link:label>
    <link:label id="lab_lisi_AutresElementsDuResultatGlobal_documentation_fr" xlink:label="lab_lisi_AutresElementsDuResultatGlobal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Autres éléments du résultat global</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_AutresElementsDuResultatGlobal" xlink:href="lisi-2024-12-31.xsd#lisi_AutresElementsDuResultatGlobal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_AutresElementsDuResultatGlobal" xlink:to="lab_lisi_AutresElementsDuResultatGlobal" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill_f86767b1-aaf5-4530-9160-e19cb51f2694_terseLabel_fr" xlink:label="lab_lisi_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Acquisition d'immobilisations corporelles et incorporelles</link:label>
    <link:label id="lab_lisi_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill_label_fr" xlink:label="lab_lisi_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Purchase of property plant and equipment Intangible assets other than goodwill</link:label>
    <link:label id="lab_lisi_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill_documentation_fr" xlink:label="lab_lisi_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Purchase of property plant and equipment Intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill" xlink:href="lisi-2024-12-31.xsd#lisi_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill" xlink:to="lab_lisi_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_IncreaseDecreaseInCashAndCashEquivalentsAbstract_label_fr" xlink:label="lab_lisi_IncreaseDecreaseInCashAndCashEquivalentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Increase decrease in cash and cash equivalents [Abstract]</link:label>
    <link:label id="lab_lisi_IncreaseDecreaseInCashAndCashEquivalentsAbstract_documentation_fr" xlink:label="lab_lisi_IncreaseDecreaseInCashAndCashEquivalentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Increase decrease in cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_IncreaseDecreaseInCashAndCashEquivalentsAbstract" xlink:href="lisi-2024-12-31.xsd#lisi_IncreaseDecreaseInCashAndCashEquivalentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_IncreaseDecreaseInCashAndCashEquivalentsAbstract" xlink:to="lab_lisi_IncreaseDecreaseInCashAndCashEquivalentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_AdjustmentsForCostOfNetDebt_2050b4ff-3b31-4981-89a1-c1f50cedeb03_terseLabel_fr" xlink:label="lab_lisi_AdjustmentsForCostOfNetDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Elimination du coût de l'endettement financier net</link:label>
    <link:label id="lab_lisi_AdjustmentsForCostOfNetDebt_label_fr" xlink:label="lab_lisi_AdjustmentsForCostOfNetDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Adjustments for cost of net debt</link:label>
    <link:label id="lab_lisi_AdjustmentsForCostOfNetDebt_documentation_fr" xlink:label="lab_lisi_AdjustmentsForCostOfNetDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Adjustments for cost of net debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_AdjustmentsForCostOfNetDebt" xlink:href="lisi-2024-12-31.xsd#lisi_AdjustmentsForCostOfNetDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_AdjustmentsForCostOfNetDebt" xlink:to="lab_lisi_AdjustmentsForCostOfNetDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_e49bed8f-b94f-4153-94f4-5b27b728d40b_negatedLabel_fr" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Charge (produit) d’impôt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_AutresElementsDuResultatGlobalMember_label_fr" xlink:label="lab_lisi_AutresElementsDuResultatGlobalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Autres elements du resultat global Member [Member]</link:label>
    <link:label id="lab_lisi_AutresElementsDuResultatGlobalMember_documentation_fr" xlink:label="lab_lisi_AutresElementsDuResultatGlobalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Autres elements du resultat global Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_AutresElementsDuResultatGlobalMember" xlink:href="lisi-2024-12-31.xsd#lisi_AutresElementsDuResultatGlobalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_AutresElementsDuResultatGlobalMember" xlink:to="lab_lisi_AutresElementsDuResultatGlobalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_EarningsBeforeInterestTaxesDepreciationAndAmortization_32806761-504c-47f4-8b03-c1ae9f316111_terseLabel_fr" xlink:label="lab_lisi_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">EXCÉDENT BRUT D'EXPLOITATION COURANT (EBITDA)</link:label>
    <link:label id="lab_lisi_EarningsBeforeInterestTaxesDepreciationAndAmortization_label_fr" xlink:label="lab_lisi_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Earnings before interest taxes depreciation and amortization</link:label>
    <link:label id="lab_lisi_EarningsBeforeInterestTaxesDepreciationAndAmortization_documentation_fr" xlink:label="lab_lisi_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Earnings before interest taxes depreciation and amortization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:href="lisi-2024-12-31.xsd#lisi_EarningsBeforeInterestTaxesDepreciationAndAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:to="lab_lisi_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ServicesExpense_e0824264-6d1d-4724-ab47-e55cfd8f5032_negatedLabel_fr" xlink:label="lab_ifrs-full_ServicesExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="fr">Charges liées à des services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ServicesExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ServicesExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ServicesExpense" xlink:to="lab_ifrs-full_ServicesExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivablesPayables_f2ab6907-ea9b-4ab3-8ae8-3ce16432f9bb_terseLabel_fr" xlink:label="lab_lisi_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivablesPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Incidence de la variation des décalages de trésorerie des débiteurs et créanciers d'exploitation</link:label>
    <link:label id="lab_lisi_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivablesPayables_label_fr" xlink:label="lab_lisi_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivablesPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Adjustments for decrease increase in trade and other receivables payables</link:label>
    <link:label id="lab_lisi_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivablesPayables_documentation_fr" xlink:label="lab_lisi_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivablesPayables" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Adjustments for decrease increase in trade and other receivables payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivablesPayables" xlink:href="lisi-2024-12-31.xsd#lisi_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivablesPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivablesPayables" xlink:to="lab_lisi_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivablesPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_ExchangeRatesUsedByForeignEntitiesExplanatoryTextBlock_label_fr" xlink:label="lab_lisi_ExchangeRatesUsedByForeignEntitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Exchange rates used by foreign entities explanatory [Text Block]</link:label>
    <link:label id="lab_lisi_ExchangeRatesUsedByForeignEntitiesExplanatoryTextBlock_documentation_fr" xlink:label="lab_lisi_ExchangeRatesUsedByForeignEntitiesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Exchange rates used by foreign entities explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_ExchangeRatesUsedByForeignEntitiesExplanatoryTextBlock" xlink:href="lisi-2024-12-31.xsd#lisi_ExchangeRatesUsedByForeignEntitiesExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_ExchangeRatesUsedByForeignEntitiesExplanatoryTextBlock" xlink:to="lab_lisi_ExchangeRatesUsedByForeignEntitiesExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_OtherOperatingIncomeFromOrdinaryActivities_6290c6d4-30be-4ef5-b1b2-21fa03667545_terseLabel_fr" xlink:label="lab_lisi_OtherOperatingIncomeFromOrdinaryActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Autres produits</link:label>
    <link:label id="lab_lisi_OtherOperatingIncomeFromOrdinaryActivities_label_fr" xlink:label="lab_lisi_OtherOperatingIncomeFromOrdinaryActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Other operating income from ordinary activities</link:label>
    <link:label id="lab_lisi_OtherOperatingIncomeFromOrdinaryActivities_documentation_fr" xlink:label="lab_lisi_OtherOperatingIncomeFromOrdinaryActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Other operating income from ordinary activities</link:label>
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