IRPC One Report 2022 EN

Awards of Recognition for Success Kanyamas Rithidej (VP Finance & Investor Relations Department) Best Investor Relations Professional Asian Excellence Award 2022 - Asia’s Best CEO - Asia’s Best CFO - Best Investor Relations Professional - Best Environmental Responsibility - Best Investor Relations Company Asia’s Best CEO Chawalit Tippawanich (President & Chief Executive Officer) Asia’s Best CFO Nidcha Jirametthanakij (Chief Financial Officer) 2022 12TH Dow Jones Sustainability Index (DJSI) IRPC was listed in DJSI for the 9th consecutive year in the Oil & Gas Refining and Marketing industry that reflects our unwavering commitment to conduct business in accordance with sustainable development guidelines. Asia Responsible Enterprise Awards 2022 in the Health Promotion category fromEnterprise Asia, an independent advocacy organization that promote and develop socially and environmentally responsible enterprise across Asia, for VAJIRA LAB Project: Healthcare Security for Society (Vajira Lab for Society). Outstanding Industry Award Polypropylene plast ic pel let plant in the category of productivity enhancement in energy management from the Ministry of Industry’s Department of Industrial Promotion. “ASEAN CG Scorecard” Award IRPC has been among ASEAN Top 20 thanks to its good corporate governance and received ASEAN Asset Class PLCs awarded to companies that achieved evaluation score of 97.50 or higher. Asian Excellence Award 2022 organized by Corporate Governance Asia Magazine 18 56-1 One Report 2022 IRPC PUBLIC COMPANY LIMITED

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