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    <link:label id="lab_lisi_ProceedsOfPropertyPlantEquipmentAndIntangibleAssetsOtherThanGoodwill_636155ae-ff4e-466c-a310-b6a83cfa5103_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-2023-12-31.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_35f31d1c-44be-4d76-9970-5f1c07f7f305_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"/>
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    <link:label id="lab_lisi_CashFlowsFromUsedInOperationsAfterCostOfNetDebtAndIncomeTaxExpense_56f47eaf-0038-43a1-a3ca-29ccaa7d93a5_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-2023-12-31.xsd#lisi_CurrentAssetsExplanatoryTextBlock"/>
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    <link:label id="lab_lisi_TotalCashUsedForInvestmentActivities_5c9d3b5f-dd99-44ac-b1af-ff28a99c30af_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-2023-12-31.xsd#lisi_TotalCashUsedForInvestmentActivities"/>
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    <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-2023-12-31.xsd#lisi_EffectOfAdjustmentsInTreasuryShares"/>
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    <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:label id="lab_lisi_FinanceCostsAndInterestIncomeOnCashAndCashEquivalents_e691849f-1096-4a3b-a253-d694b08a6f12_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>
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    <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-2023-12-31.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_8d21fb6f-2d23-45c6-9427-cd293b04d0e7_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-2023-12-31.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_c69fbb1f-3a0f-41c8-a054-3b261f516150_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_0f3d9573-da8e-4cfc-a1fa-a1e607eee989_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_c9354040-db2a-408d-83db-647e672fe1dc_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-2023-12-31.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_b0b3914d-a32c-44be-9ca6-c6dea26dc9a2_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_3b28cbb5-ee60-44dd-9bc9-b526fa388723_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"/>
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    <link:label id="lab_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities_e5e52d7f-ef37-4326-8872-ad2c97f51fd5_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"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_ProfitLossFromOrdinaryOperatingActivities_ceb0311c-ae79-4f77-91a1-b22f58334d3a_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-2023-12-31.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_CashFlowsFromUsedInOperatingActivities_f6150fa7-2141-4a21-a22c-7fce23916856_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_349cf18f-1b44-44ed-8b64-8ad2bae2875f_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-2023-12-31.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_de9c5ed2-8d34-43cd-a9a9-b7e24b6219bc_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_8fab6369-9b0d-4a05-a05b-cd1a604f4d06_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_f2e9fd44-7348-4ecc-a4ce-94d65e3093ab_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-2023-12-31.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_lisi_ReserveDeConversion_4f8b808d-3111-4717-b082-dbe5e6e5a3da_terseLabel_fr" xlink:label="lab_lisi_ReserveDeConversion" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">Réserves de conversion</link:label>
    <link:label id="lab_lisi_ReserveDeConversion_label_fr" xlink:label="lab_lisi_ReserveDeConversion" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Reserve de conversion</link:label>
    <link:label id="lab_lisi_ReserveDeConversion_documentation_fr" xlink:label="lab_lisi_ReserveDeConversion" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="fr">Reserve de conversion</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_ReserveDeConversion" xlink:href="lisi-2023-12-31.xsd#lisi_ReserveDeConversion"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_ReserveDeConversion" xlink:to="lab_lisi_ReserveDeConversion" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition_8af3b8f3-94df-4d5e-9c2f-7db2359b042d_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_d569368a-fdae-448b-a31a-bb11893ee9b2_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_1923a26e-d6b4-42cd-b6a8-cbeed2001e77_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-2023-12-31.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_3f1c5712-db41-4a0c-af3c-b3179a8e3135_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-2023-12-31.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_cd1af5d8-fc21-4f23-a66d-f8ab09a7cb40_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_55e5fed6-2ea6-4bf4-ba55-d42d4b224bf8_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_44ac8438-0269-43c7-9176-dd5a8769d349_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_405e2d9a-a8c0-44b5-98e0-1fc0bcfcab37_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-2023-12-31.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_f6ba08c4-a75e-41b8-80d5-fe275ad94c2e_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-2023-12-31.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_46a5d799-af21-4aa2-8a85-1868bc528ed1_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-2023-12-31.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_1c0033ca-35ff-4477-8701-31b4dcde6d93_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-2023-12-31.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_6f86ea7d-48f5-4ca0-ad34-36780d4422b2_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_d5f0e1df-c27b-4515-b15d-582c987a841a_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-2023-12-31.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_209e0798-341a-4f63-b2e1-5a8689b568a3_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-2023-12-31.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_43f76f9c-9a25-4545-ab85-a8ddcb508b72_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-2023-12-31.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_8fc5d02d-7af2-43a9-9003-cf9a17917943_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-2023-12-31.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_1f19c0da-6e23-4ddf-87b4-eb6292dd5698_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-2023-12-31.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-2023-12-31.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_24c0ecf0-67e3-4d35-8255-908a55e49a83_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_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwill_a2a17048-3347-4c0a-8bf8-66f23483e9a8_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-2023-12-31.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-2023-12-31.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_426ccdd5-4925-4aab-a0e5-11bd5680ea00_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-2023-12-31.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_126381ba-613a-473b-9012-d554d96395ed_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_EarningsBeforeInterestTaxesDepreciationAndAmortization_d7674f4c-3704-4169-91e1-8b9a0f379c1b_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-2023-12-31.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_a6479470-6cb3-43a2-b4a2-771afe051d9e_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_7da49362-3bc1-4998-8fe1-337c32f38797_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-2023-12-31.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-2023-12-31.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_62a39e41-b7b4-42c8-8ead-4f8a63bd1593_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>
    <link:loc xlink:type="locator" xlink:label="loc_lisi_OtherOperatingIncomeFromOrdinaryActivities" xlink:href="lisi-2023-12-31.xsd#lisi_OtherOperatingIncomeFromOrdinaryActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_lisi_OtherOperatingIncomeFromOrdinaryActivities" xlink:to="lab_lisi_OtherOperatingIncomeFromOrdinaryActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_lisi_CashFlowsFromBorrowingsAndOtherFinancialLiabilitiesUsedInFinancingActivities_1cb60549-fff0-4948-9469-899de5f361e9_terseLabel_fr" xlink:label="lab_lisi_CashFlowsFromBorrowingsAndOtherFinancialLiabilitiesUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="fr">TOTAL FLUX D'OPÉRATIONS SUR EMPRUNTS ET AUTRES PASSIFS FINANCIERS</link:label>
    <link:label id="lab_lisi_CashFlowsFromBorrowingsAndOtherFinancialLiabilitiesUsedInFinancingActivities_label_fr" xlink:label="lab_lisi_CashFlowsFromBorrowingsAndOtherFinancialLiabilitiesUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="fr">Cash flows from borrowings and other financial liabilities used in financing activities</link:label>
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