Mr. Chansak Chuenchom Age: 56 Years Appointed Positions Director/Chairman of the Nomination and Remuneration Committee Date of being a Director 1 October 2021 Date of being the Chairman of the Nomination and Remuneration Committee 1 December 2022 Years of being a Director 2 Years 2 Months Possession of IRPC shares (%) No. of share “IRPC”: - Share Possession: - % Family relationship within the Company, major shareholder or subsidiaries None Education/Training • Bachelor of Engineering Program in Mechanical Engineering, Khon Kaen University • Master of Business Administration Program, Kasetsart University • Diploma, National Defence Program, Class 65, Thai National Defence College • 9th Strategy and Innovation for Businesses in Asia (SIBA) Training, The College of Management, Mahidol University, in collaboration with Sloan School of Management, Massachusetts Institute of Technology (MIT) • Training course for senior anti-corruption strategists (NYPD10), Office of the National Anti-Corruption Commission • Leadership Development Program, MDP III Business Management, MDP III People Management, Advanced Management Program (AMP) 3 - Business and People Management, PTT Leadership and Learning Institute • Director Certification Program (DCP), Class 211/2015, Thai Institute of Directors Association (IOD) Work experience within the past 5 years Oct. 2021 - Nov. 2022 Director/Member of the Nomination and Remuneration Committee, IRPC Public Company Limited Apr. 2019 - Nov. 2021 Director, Energy Complex Company Limited Oct. 2015 - Sep. 2021 Executive Vice President, Engineering and Project Management, PTT Public Company Limited Current Position Board member/Management in Listed Company - The Stock Exchange of Thailand Dec. 2022 - Present Chairman of The Nomination and Remuneration Committee, IRPC Public Company Limited Oct. 2021 - Present Director, IRPC Public Company Limited Oct. 2021 - Present Senior Executive Vice President, Engineering and Infrastructure, PTT Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand 29 Sep. 2022 - Present Chairman, Global Multimodal Logistics Company Limited 23 Nov. 2021 - Present Chairman, Energy Complex Company Limited 27 Board of Directors, IRPC Public Company Limited 56-1 ONE REPORT 2023
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