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    <link:label id="lab_galp_ReclassificacaodeReservasdeConversaoCambialParaResultados_019c7bf9-5085-773e-937d-168f4b913395_documentation_pt" xlink:label="lab_galp_ReclassificacaodeReservasdeConversaoCambialParaResultados" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Reclassificacao de Reservas de Conversao Cambial para Resultados</link:label>
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    <link:label id="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes_019c7bf9-5085-739b-a110-98a3f9accd7e_totalLabel_pt" xlink:label="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="pt">Resultados do exercício antes de impostos e contribuições</link:label>
    <link:label id="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes_019c7bf9-5085-7d08-bc90-a76261cfb064_label_pt" xlink:label="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Resultados do exercício antes de impostos e contribuições</link:label>
    <link:label id="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes_019c7bf9-5085-77df-b797-3d060e4ed443_documentation_pt" xlink:label="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Resultados do exercício antes de impostos e contribuições</link:label>
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    <link:label id="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber_019c7bf9-5085-7381-b8a7-db3d5e8943ef_negatedLabel_pt" xlink:label="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Provisões e perdas por imparidades de contas a receber</link:label>
    <link:label id="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber_019c7bf9-5085-77f4-99a0-62f36f2966f0_label_pt" xlink:label="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Provisões e perdas por imparidades de contas a receber</link:label>
    <link:label id="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber_019c7bf9-5085-7eaa-9e45-81e21ab39eeb_documentation_pt" xlink:label="lab_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Provisões e perdas por imparidades de contas a receber</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ProvisoesEPerdasPorImparidadesDeContasAReceber" xlink:href="galp-2025-12-31.xsd#galp_ProvisoesEPerdasPorImparidadesDeContasAReceber"/>
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    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForFinanceIncomeCost"/>
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    <link:label id="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico_019c7bf9-5085-7b96-a4bf-b8f218af34cf_negatedLabel_pt" xlink:label="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Contribuição extraordinária sobre o sector energético</link:label>
    <link:label id="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico_019c7bf9-5085-7a5a-b806-ce40a2a22c02_label_pt" xlink:label="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Contribuição extraordinária sobre o sector energético</link:label>
    <link:label id="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico_019c7bf9-5085-779a-8d50-9377dc2d82f6_documentation_pt" xlink:label="lab_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Contribuição extraordinária sobre o sector energético</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ContribuicaoExtraordinariaSobreOSectorEnergetico" xlink:href="galp-2025-12-31.xsd#galp_ContribuicaoExtraordinariaSobreOSectorEnergetico"/>
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    <link:label id="lab_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda_019c7bf9-5085-78e2-9fb3-97f12b9245f5_label_pt" xlink:label="lab_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Reservas de conversão relacionadas com ativos não correntes classificados como detidos para venda</link:label>
    <link:label id="lab_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda_019c7bf9-5085-7d4f-a09d-e12d2e5fd220_documentation_pt" xlink:label="lab_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Reservas de conversão relacionadas com ativos não correntes classificados como detidos para venda</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:href="galp-2025-12-31.xsd#galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda"/>
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    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_019c7bf9-5085-7f52-8160-3dfe3f477351_totalLabel_pt" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="pt">Fluxos de caixa de (utilizados em) atividades de financiamento</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
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    <link:label id="lab_galp_CustoDasVendasEVariacaoDeProducao_019c7bf9-5085-7939-b012-f72c4ac27f98_negatedLabel_pt" xlink:label="lab_galp_CustoDasVendasEVariacaoDeProducao" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Reservas de conversão relacionadas com ativos não correntes classificados como detidos para venda</link:label>
    <link:label id="lab_galp_CustoDasVendasEVariacaoDeProducao_019c7bf9-5085-7ba7-aa0f-db93bd41c23a_label_pt" xlink:label="lab_galp_CustoDasVendasEVariacaoDeProducao" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Reservas de conversão relacionadas com ativos não correntes classificados como detidos para venda</link:label>
    <link:label id="lab_galp_CustoDasVendasEVariacaoDeProducao_019c7bf9-5085-71be-9603-be1247459406_documentation_pt" xlink:label="lab_galp_CustoDasVendasEVariacaoDeProducao" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Custo das Vendas e variação de produção</link:label>
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    <link:label id="lab_galp_RevenueAndOtherOperatingIncomeAbstract_019c7bf9-5085-70ed-94e1-9359f33d0770_label_pt" xlink:label="lab_galp_RevenueAndOtherOperatingIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Rendimentos e outros rendimentos operacionais [abstract]</link:label>
    <link:label id="lab_galp_RevenueAndOtherOperatingIncomeAbstract_019c7bf9-5085-784c-b6b9-a92282dca0c3_documentation_pt" xlink:label="lab_galp_RevenueAndOtherOperatingIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Rendimentos e outros rendimentos operacionais</link:label>
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    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_019c7bf9-5085-78fc-8b90-152bce9fcbb7_totalLabel_pt" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="pt">Fluxos de caixa de (utilizados em) atividades de investimento</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
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    <link:label id="lab_galp_PagamentosDeLocações_019c7bf9-5085-7d7a-94f4-e80a7ff5e0de_label_pt" xlink:label="lab_galp_PagamentosDeLocações" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Pagamentos de locações</link:label>
    <link:label id="lab_galp_PagamentosDeLocações_019c7bf9-5085-7496-857a-0ca6eece775e_documentation_pt" xlink:label="lab_galp_PagamentosDeLocações" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Pagamentos de locações</link:label>
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    <link:label id="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial_019c7bf9-5085-73eb-9bd7-341d00125a09_negatedLabel_pt" xlink:label="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Imposto sobre o rendimento e participação especial</link:label>
    <link:label id="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial_019c7bf9-5085-7066-91bc-696e3a509a4a_label_pt" xlink:label="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Imposto sobre o rendimento e participação especial</link:label>
    <link:label id="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial_019c7bf9-5085-7300-971b-ef0321705a31_documentation_pt" xlink:label="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Imposto sobre o rendimento e participação especial</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ImpostoSobreORendimentoEParticipacaoEspecial" xlink:href="galp-2025-12-31.xsd#galp_ImpostoSobreORendimentoEParticipacaoEspecial"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ImpostoSobreORendimentoEParticipacaoEspecial" xlink:to="lab_galp_ImpostoSobreORendimentoEParticipacaoEspecial" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento_019c7bf9-5085-7917-9ebd-3ed536a4e355_negatedLabel_pt" xlink:label="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Outras saidas de caixa das atividades de investimento</link:label>
    <link:label id="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento_019c7bf9-5085-7e56-b281-ffc51c087af7_label_pt" xlink:label="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Outras saidas de caixa das atividades de investimento</link:label>
    <link:label id="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento_019c7bf9-5085-7973-b63e-8f6c8ba3dc8b_documentation_pt" xlink:label="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Outras saídas de caixa das atividades de investimento</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento" xlink:href="galp-2025-12-31.xsd#galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento" xlink:to="lab_galp_OutrasSaidasDeCaixaDasAtividadesDeInvestimento" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MiscellaneousOtherOperatingExpense_019c7bf9-5085-7d3c-b102-d9cc983b501e_negatedLabel_pt" xlink:label="lab_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Outras despesas operacionais diversas</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MiscellaneousOtherOperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:to="lab_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseByNature_019c7bf9-5085-7282-990f-b29bbbfaa12c_negatedLabel_pt" xlink:label="lab_ifrs-full_ExpenseByNature" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Despesas, por natureza</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseByNature" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpenseByNature"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseByNature" xlink:to="lab_ifrs-full_ExpenseByNature" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_OutrasContasAReceberNaoCorrentes_019c7bf9-5085-72ed-a44b-6be017ba8986_label_pt" xlink:label="lab_galp_OutrasContasAReceberNaoCorrentes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Outras contas a receber não correntes</link:label>
    <link:label id="lab_galp_OutrasContasAReceberNaoCorrentes_019c7bf9-5085-7ba3-bfec-f011ab2f0967_documentation_pt" xlink:label="lab_galp_OutrasContasAReceberNaoCorrentes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Outras contas a receber não correntes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_OutrasContasAReceberNaoCorrentes" xlink:href="galp-2025-12-31.xsd#galp_OutrasContasAReceberNaoCorrentes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_OutrasContasAReceberNaoCorrentes" xlink:to="lab_galp_OutrasContasAReceberNaoCorrentes" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss_019c7bf9-5085-7103-96e5-f7f53d7af18e_negatedLabel_pt" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Imposto sobre o rendimento relativo às componentes de outro rendimento integral que serão reclassificadas nos resultados</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:to="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos_019c7bf9-5085-7b68-9604-7e8632a75435_negatedLabel_pt" xlink:label="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Ajustamentos de amortizações, depreciações e imparidades de ativos fixos</link:label>
    <link:label id="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos_019c7bf9-5085-7adf-a020-7865453c592e_label_pt" xlink:label="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Ajustamentos de amortizações, depreciações e imparidades de ativos fixos</link:label>
    <link:label id="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos_019c7bf9-5085-7a03-aafc-afab46d26b50_documentation_pt" xlink:label="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Amortizações, depreciações e imparidades em ativos fixos</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos" xlink:href="galp-2025-12-31.xsd#galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos" xlink:to="lab_galp_AmortizacoesDepreciacoesEImparidadesEmAtivosFixos" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_CapitalSocialEPremioDeEmissao_019c7bf9-5085-7f7a-b76c-335a3ca8c23c_label_pt" xlink:label="lab_galp_CapitalSocialEPremioDeEmissao" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Capital social e prémio de emissão</link:label>
    <link:label id="lab_galp_CapitalSocialEPremioDeEmissao_019c7bf9-5085-7ab0-a5f5-379d14ca4630_documentation_pt" xlink:label="lab_galp_CapitalSocialEPremioDeEmissao" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Capital social e prémio de emissão</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_CapitalSocialEPremioDeEmissao" xlink:href="galp-2025-12-31.xsd#galp_CapitalSocialEPremioDeEmissao"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_CapitalSocialEPremioDeEmissao" xlink:to="lab_galp_CapitalSocialEPremioDeEmissao" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_019c7bf9-5085-760b-bbb4-f10ba4e12886_totalLabel_pt" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="pt">Fluxos de caixa de (utilizados em) atividades de exploração</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.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_galp_OutrasContasAReceberCorrentes__019c7bf9-5085-7a00-97ab-b24501496f37_label_pt" xlink:label="lab_galp_OutrasContasAReceberCorrentes_" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Outras contas a receber correntes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_OutrasContasAReceberCorrentes_" xlink:href="galp-2025-12-31.xsd#galp_OutrasContasAReceberCorrentes_"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_OutrasContasAReceberCorrentes_" xlink:to="lab_galp_OutrasContasAReceberCorrentes_" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019c7bf9-5085-71f0-99a9-f325dbac72b6_negatedLabel_pt" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Reembolsos de empréstimos, classificados como atividades de financiamento</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos_019c7bf9-5085-7a59-a1c5-8ff67c6c1328_label_pt" xlink:label="lab_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Fluxos de caixa liquidos de investimentos desinvestimentos em associadas e empreendimentos conjuntos</link:label>
    <link:label id="lab_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos_019c7bf9-5085-75bf-8e56-55ae3c1cbca6_documentation_pt" xlink:label="lab_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Fluxos de caixa liquidos de investimentos desinvestimentos em associadas e empreendimentos conjuntos</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos" xlink:href="galp-2025-12-31.xsd#galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos" xlink:to="lab_galp_FluxosDeCaixaLiquidosDeInvestimentosDesinvestimentosEmAssociadasEEmpreendimentosConjuntos" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract_019c7bf9-5085-7464-a238-8db9725cd6fe_label_pt" xlink:label="lab_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Resultados do exercício antes de impostos e contribuições [abstract]</link:label>
    <link:label id="lab_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract_019c7bf9-5085-78eb-9366-6b85ae74447b_documentation_pt" xlink:label="lab_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Resultados do exercício antes de impostos e contribuições</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract" xlink:href="galp-2025-12-31.xsd#galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract" xlink:to="lab_galp_ProfitOrLossBeforeTaxesAndOtherContributionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RevenueAndOperatingIncome_019c7bf9-5085-758c-86f0-03b5fe8693cd_totalLabel_pt" xlink:label="lab_ifrs-full_RevenueAndOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="pt">Rendimentos e outros rendimentos operacionais</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RevenueAndOperatingIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.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_galp_EquityAttributableToOwnersOfParentAbstract_019c7bf9-5085-7771-896c-cf718f1ac217_label_pt" xlink:label="lab_galp_EquityAttributableToOwnersOfParentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Capital próprio atribuível aos proprietários da entidade-mãe [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_EquityAttributableToOwnersOfParentAbstract" xlink:href="galp-2025-12-31.xsd#galp_EquityAttributableToOwnersOfParentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_EquityAttributableToOwnersOfParentAbstract" xlink:to="lab_galp_EquityAttributableToOwnersOfParentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract_019c7bf9-5085-7177-b2df-01227b84f0bb_periodStartLabel_pt" xlink:label="lab_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="pt">Alterações em Caixa e equivalentes de caixa se diferentes da demonstração da posição financeira</link:label>
    <link:label id="lab_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract_019c7bf9-5085-74c9-852c-2f3d3cfb9912_label_pt" xlink:label="lab_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Alterações em Caixa e equivalentes de caixa se diferentes da demonstração da posição financeira [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract" xlink:href="galp-2025-12-31.xsd#galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract" xlink:to="lab_galp_ChangesInCashAndCashEquivalentsIfDifferentFromStatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt_019c7bf9-5085-7cc3-bd46-cfa05136677a_negatedLabel_pt" xlink:label="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Pagamentos de impostos sobre o rendimento imposto sobre o petroleo e spt</link:label>
    <link:label id="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt_019c7bf9-5085-71d5-aa7e-de2ed92ad3d1_label_pt" xlink:label="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Pagamentos de impostos sobre o rendimento imposto sobre o petroleo e spt</link:label>
    <link:label id="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt_019c7bf9-5085-700b-b7d6-d7b726aa7e1f_documentation_pt" xlink:label="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Pagamentos de impostos sobre o rendimento imposto sobre o petroleo e spt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt" xlink:href="galp-2025-12-31.xsd#galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt" xlink:to="lab_galp_PagamentosDeImpostosSobreORendimentoImpostoSobreOPetroleoESpt" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition_019c7bf9-5085-732b-8bd0-42fc52fd1da5_periodStartLabel_pt" xlink:label="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="pt">Caixa e equivalentes de caixa se diferentes da demonstração da posição financeira no início do período</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition_019c7bf9-5085-749c-b211-9874ea62c06e_periodEndLabel_pt" xlink:label="lab_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="pt">Caixa e equivalentes de caixa se diferentes da demonstração da posição financeira no fim do período</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition"/>
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    <link:label id="lab_galp_ReservasDeConversaoExcluindoAsDeAtivosNaoCorrentesClassificadosComoDetidosParaVenda_019c7bf9-5085-7b42-9f6a-414001666489_label_pt" xlink:label="lab_galp_ReservasDeConversaoExcluindoAsDeAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Reservas de conversão excluindo as de ativos não correntes classificados como detidos para venda</link:label>
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    <link:label id="lab_galp_PagamentosPorAquisiçõesDeAtivosTangíveisEIntangíveis_019c7bf9-5085-7f92-ae8e-fbe21fae1e63_documentation_pt" xlink:label="lab_galp_PagamentosPorAquisiçõesDeAtivosTangíveisEIntangíveis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Pagamentos por aquisições de ativos tangíveis e intangíveis</link:label>
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    <link:label id="lab_galp_PagamentosDeJurosDeLocações_019c7bf9-5085-7e28-acd3-14ff296d3184_negatedLabel_pt" xlink:label="lab_galp_PagamentosDeJurosDeLocações" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Pagamentos de juros de locações</link:label>
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    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_019c7bf9-5085-77c6-be1a-9cfd9d1c7e5e_negatedLabel_pt" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Juros pagos, classificados como atividades de financiamento</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities"/>
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    <link:label id="lab_galp_TaxaExtraordinariaSobreLucros_019c7bf9-5085-7c06-828a-ac05391352e4_label_pt" xlink:label="lab_galp_TaxaExtraordinariaSobreLucros" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="pt">Taxa extraordinária sobre lucros</link:label>
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