IRPC Annual Report 2023

Mrs. Pranot Tirasai Age: 65 Years Appointed Positions Director/Member of the Corporate Governance and Sustainability Committee Date of being a Director 5 April 2023 Date of being a Member of the Corporate Governance and Sustainability Committee 19 June 2023 Years of being a Director 8 Months Possession of IRPC shares (%) No. of share “IRPC”: - Share Possession: - % Family relationship within the Company, major shareholder or subsidiaries None Education/Training • LL.B (Laws) Thammasat University • Climate Governance, Class 1/2023, The Stock Exchange of Thailand • Top Executive in Energy Program, Class 10, Thailand Energy Academy (TEA) • Training Course on Administrative Justice for Executives Class 4 • Certificate of E&P Petroleum Management Program, 2011 Texas A&M University, United States of America • NIDA – Wharton Executive Leadership Program, 2009, The Wharton School of the University of Pennsylvania, United States of America • SASIN Executive Program • International Oil & Gas Management, University of Dundee, United Kingdom • Ethical Leadership Program (ELP), Class 11/2018, Thai Institute of Directors Association (IOD) • Director Certification Program Update (DCPU), Class 5/2015, Thai Institute of Directors Association (IOD) • Company Secretary Program (CSP), Class 55/2014, Thai Institute of Directors Association (IOD) • Director Certification Program (DCP), Class 185/2014, Thai Institute of Directors Association (IOD) Work experience within the past 5 years Apr. 2023 - Jun. 2023 Member of the Corporate Governance Committee, IRPC Public Company Limited Jan. 2019 - Dec. 2021 Secretary to the Board of Directors, PTTEP Public Company Limited Oct. 2018 - Dec. 2018 Executive Vice President, assigned as Secretary to the Board of Directors, PTTEP Public Company Limited Jan. 2017 - Sep. 2018 Executive Vice President, Corporate Affairs and Assurance Group, and assigned as Secretary to the Board of Directors, PTTEP Public Company Limited Oct. 2013 - Dec. 2016 Senior Vice President, Corporate Secretary Division, and assigned as Secretary to the Board of Directors, PTTEP Public Company Limited Apr. 2010 - Sep. 2013 Senior Vice President, Legal Division, PTTEP Public Company Limited Current Position Board member/Management in Listed Company - The Stock Exchange of Thailand Jun. 2023 - Present Member of the Corporate Governance and Sustainability Committee, IRPC Public Company Limited Apr. 2023 - Present Director, IRPC Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand - None - 35 Board of Directors, IRPC Public Company Limited 56-1 ONE REPORT 2023

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