IRPC Annual Report 2023

Mr. Supot Laosuarpha (Passed away on December 26, 2023) Education/Training • Bachelor of Laws, Ramkhamhaeng University • Master of Management (Law and Management), College of Management Mahidol University • Lawyer License, Lawyers Council of Thailand • Graduate Diploma Program in Business Law, Thammasat University • Climate Governance, Class 1/2023, The Stock Exchange of Thailand • Advanced Certificate Course in Public Administration and Law for Executives, Class 5, King Prajadhipok's Institute • The Executive Program by Sasin Graduate Institute of Business Administration of Chulalongkorn University (SEP21) • Training Course on Administrative Justice for Executives, Class 1, Administrative Court Office • Administrative Justice for Executives Course, Class 6, Public Prosecution Official Training Institute, Office of The Attorney General • Certificate in Anti-Corruption Strategic Management for Senior Executives, Class 4, Office of The National AntiCorruption Commission • Leadership Succession Program (LSP), Class 3, Institute of Research and Development for Public Enterprise • Rule of Law for Democracy, Class 5, College of the Constitutional Court • Corporate Governance for Directors and Senior Executives of Regulators, Class 20, King Prajadhipok's Institute • Top Executive in Energy Program, Class 12, Thailand Energy Academy (TEA) • Director Certification Program (DCP), Class 139/2010, Thai Institute of Directors Association (IOD) Work experience within the past 5 years Jun. 2023 - Dec. 2023 Chairman of the Corporate Governance and Sustainability Committee, IRPC Public Company Limited Apr. 2022 - Jun. 2023 Chairman of the Corporate Governance Committee, IRPC Public Company Limited Apr. 2021 - Apr. 2022 Member of the Corporate Governance Committee, IRPC Public Company Limited Mar. 2021 - Dec. 2023 Director, IRPC Public Company Limited 2020 - 2023 Advisor to the Minister of Energy 2020 - 2022 Subcommittee on Creation and Development of Curriculum and Learning Materials on Anti-Corruption, 2021, Office of the National Anti-Corruption Commission 2020 - 2022 Subcommittee on Legal and Regulatory, Office of the National Anti-Corruption Commission 2019 - Feb. 2021 Legal Advisor, IRPC Public Company Limited 2018 - 2022 Promotion of National Strategy on Anti-Corruption Phase 3 (2017-2021) Committee, Committee No. 1, Office of the National Anti-Corruption Commission 2018 - 2019 Advisor to the Working Group of the Minister of Energy 2018 - 2019 Director, State Railway of Thailand 2018 - 2019 Chairman of Subcommittee Corporate Governance and Social Responsibility, State Railway of Thailand 2018 - 2019 Member of the Audit Committee, State Railway of Thailand 2018 Subcommittee on Agenda Screening to Board of Director, Port Authority of Thailand 2018 Subcommittee on Legal to Board of Director, Port Authority of Thailand 2018 Subcommittee on Asset Reformation, Port Authority of Thailand 2017 - 2018 Legal Advisor, Business Professional Solutions Recruitment Company Limited 2016 - Dec. 2023 Legal committee Federation of Thai Industries 2016 - 2018 Chairman, Business Services Alliance Company Limited 2016 - 2017 Director, East Mediterranean Gas S.A.E. Company Limited 2016 - 2017 Senior Executive Vice President Taking a Position of Executive Vice President, Office of Corporate Legal, PTT Public Company Limited 2016 - 2017 Senior Executive Vice President, under Senior Executive Vice President, Human Resources and Organization Potential Responsible for controlling Office of Corporate Legal, PTT Public Company Limited 2015 - May 2022 Chairman, PTT Green Energy (Thailand) Company Limited 2012 - 2015 Director, Energy Complex Company Limited 2011 - 2016 Director, Business Services Alliance Company Limited Current Position Board member/Management in Listed Company - The Stock Exchange of Thailand - None - Board member/Management in Non-Listed Company - The Stock Exchange of Thailand - None - 38 Board of Directors, IRPC Public Company Limited IRPC Public Company Limited

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