IRPC Annual Report 2023

Member of Dow Jones Sustainability Indices (DJSI) IRPC has been selected as Dow Jones Sustainability Indices, or DJSI, member for the 10th consecutive year in the Oil & Gas Refining and Marketing industry group. This is testament to our commitment to operational approach that adheres to sustainable development approach, with corporate social responsibility, guided by corporate governance and responsibility to all stakeholders. The Asian Excellence Awards 2023 of Corporate Governance Asia magazine IRPC won 4 outstanding awards: Asian Excellence Award 2023, Asia’s Best CEO Award, Asia’s Best CFO Award, Best Investor Relations Company Award, and Best Environmental Responsibility Award. Thailand Energy Awards 2022 from the Department of Alternative Energy Development and Efficiency (DEPA), Ministry of Energy In the Creative Energy Project category for the Energy Saving of Cracking and Quenching Processes by Digitalization project at the Ethylene plant (ETP) that promotes exemplary energy conservation. “Sustainability Awards of Honor” from the Stock Exchange of Thailand For the fifth consecutive year for operational approach that aligns with the sustainable development approach, guided by corporate governance to achieve business growth that goes together with social development and environmental stewardship. Awards and Recognition Key Developments in Sustainable Growth 17 56-1 ONE REPORT 2023

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