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    <link:label id="lab_galp_ReclassificacaodeReservasdeConversaoCambialParaResultados_019be5fe-7eef-7460-b192-3090c878be81_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:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_OutrosContasAPagarNaoCorrentes" xlink:to="lab_galp_OutrosContasAPagarNaoCorrentes" xlink:type="arc" order="1"/>
    <link:label id="lab_galp_ResultadosDoExercicioAntesDeImpostosEContribuicoes_019b02b6-4cbe-7f29-9676-bae3ca9d39ff_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_019b02b6-4cbe-7aa2-88bd-ab0b8f87e09b_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_019b02b6-4cbe-73ee-b444-ce71d72c9a4e_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_019b02b6-4cbe-7ae5-b65d-d071b127a390_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_019b02b6-4cbe-7a72-8c07-bdce7de0a572_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_019b02b6-4cbe-7773-964f-4d631076e8c1_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_019b02b6-4cbe-7548-a573-90c276830abc_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_019b02b6-4cbe-70c4-8d96-f382ca018d18_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_019b02b6-4cbe-7064-a707-a1c91456ed87_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_019b02b6-4cbe-7a88-8df7-c6dec10ac04d_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_019b02b6-4cbe-7721-adfd-002c5b7a2920_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"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:to="lab_galp_ReservasDeConversaoRelacionadasComAtivosNaoCorrentesClassificadosComoDetidosParaVenda" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_019b02b6-4cbe-7067-b4c8-5ec9135afff1_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_019b02b6-4cbe-738f-9fb5-08d6b63a0c57_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_019b02b6-4cbe-7770-bf6a-6657ff5e39d5_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_019b02b6-4cbe-7fb0-a686-c1fc6680015c_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_019b02b6-4cbe-7fca-a343-b3f8b7e84cda_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_019b02b6-4cbe-7904-ac7d-f2815ff4022f_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>
    <link:loc xlink:type="locator" xlink:label="loc_galp_RevenueAndOtherOperatingIncomeAbstract" xlink:href="galp-2025-12-31.xsd#galp_RevenueAndOtherOperatingIncomeAbstract"/>
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    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_019b02b6-4cbe-7eb4-8153-4e4c3f3fe7ae_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_019b02b6-4cbe-7927-be65-99e4ddf95118_negatedLabel_pt" xlink:label="lab_galp_PagamentosDeLocações" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Pagamentos de locações</link:label>
    <link:label id="lab_galp_PagamentosDeLocações_019b02b6-4cbe-756d-9e31-7edab9d1904b_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_019b02b6-4cbe-7e94-adf7-743813091f0c_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_019b02b6-4cbe-7672-8891-342b634acc4c_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_019b02b6-4cbe-74a6-bd7b-64ee6225b0d8_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_019b02b6-4cbe-733e-807d-3d6cf3a00dfb_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_019b02b6-4cbe-7013-a7ea-e775ba0ea9d6_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_019b02b6-4cbe-7050-a233-bedb1a190cf8_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_019b02b6-4cbe-7f8e-9ee8-738d0a38a750_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_019b02b6-4cbe-7a53-908b-2bd44de120e4_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_019b02b6-4cbe-7a71-8fd2-94b215089058_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_019b02b6-4cbe-7224-873f-389574917c09_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_019b02b6-4cbe-7513-9be0-0260afd4c7d7_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_019b02b6-4cbe-78b9-bfa4-c41950aafc69_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_019b02b6-4cbe-7935-b4c4-02ad05e8860f_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_019b02b6-4cbe-7c3d-99c8-dbe5402fa559_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_019b02b6-4cbe-7128-b85f-7738bea6f74f_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_019b02b6-4cbe-71c4-83ab-f5641661f34b_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_019b02b6-4cbe-7b39-9be3-3c6eabe3e802_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_019b02b6-4cbe-7bf6-99e2-ce73eba4c410_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__019b02b6-4cbe-7213-a3fd-ce2f9ce621ac_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_019b02b6-4cbe-7050-929e-ea710ac48618_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_019b02b6-4cbe-783c-8787-cc6e651662ba_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_019b02b6-4cbe-78f0-8d61-0de1253dae9b_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_019b02b6-4cbe-74ca-a25d-6e9ca5489c9c_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_019b02b6-4cbe-7041-90fc-a494381bde4b_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_019b02b6-4cbe-7f0f-ba6c-ad72a63c004a_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_019b02b6-4cbe-753e-bff5-af979baddf30_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_019b02b6-4cbe-72ac-99f2-cdbcc95b2ed9_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_019b02b6-4cbe-7812-b3b7-966051f6bb5d_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_019b02b6-4cbe-7987-bf21-d16d3c6be0d1_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_019b02b6-4cbe-7197-9e99-c1bf59066c36_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_019b02b6-4cbe-75cb-8b13-60c1b6930f91_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_019b02b6-4cbe-7d8a-8ade-3de75a379b6d_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_019b02b6-4cbe-7165-9974-cc4ef9a7cf04_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_PagamentosPorAquisiçõesDeAtivosTangíveisEIntangíveis_019b02b6-4cbe-740d-9e09-ff1fef804498_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_019b02b6-4cbe-7719-bd20-e52e72252ed1_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_galp_PagamentosDeJurosDeLocações_019b02b6-4cbe-74c5-860d-8646f0624f3e_documentation_pt" xlink:label="lab_galp_PagamentosDeJurosDeLocações" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Pagamentos de juros de locações</link:label>
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    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_019b02b6-4cbe-7902-8b4b-75985c69b177_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_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_019b02b6-4cbe-7ba8-ad77-670400bda148_totalLabel_pt" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="pt">Aumento (diminuição) de caixa e equivalentes de caixa antes do efeito das variações das taxas de câmbio</link:label>
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    <link:label id="lab_galp_TaxaExtraordinariaSobreLucros_019b02b6-4cbe-7ddb-8f9c-1a55aa99b524_negatedLabel_pt" xlink:label="lab_galp_TaxaExtraordinariaSobreLucros" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="pt">Taxa extraordinária sobre lucros</link:label>
    <link:label id="lab_galp_TaxaExtraordinariaSobreLucros_019b02b6-4cbe-7628-aca4-a77524a53829_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>
    <link:label id="lab_galp_TaxaExtraordinariaSobreLucros_019b02b6-4cbe-7022-ad3d-4b76a15b7e37_documentation_pt" xlink:label="lab_galp_TaxaExtraordinariaSobreLucros" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="pt">Taxa extraordinária sobre lucros</link:label>
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