GC_ONE REPORT 2021_ENG

Mom Luang Peekthong Thongyai Director (Non-executive Director) and Director to the Risk Management Committee Age : 54 Years Appointed : October 1st, 2021 Education/Training • Master of Business Administration (Finance), Sasin Graduate Institute of Business Administration of Chulalongkorn University • Bachelor of Science (Petroleum Engineering), The University of Texas at Austin Director Training • Director Certification Program (DCP) Class 15/2002, Thai Institute of Directors Association (IOD) Board member/Management in Listed Company - The Stock Exchange of Thailand : 2 • Director and Director to the Risk Management Committee, PTT Global Chemical Public Company Limited • Senior Executive Vice President, Downstream Business Group Alignment, PTT Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand : 2 • Director, GPC International Terminal Company Limited • Director, PTT Tank Terminal Company Limited Position in Other Organizations/Institutions : None Work Experiences (5-years Past Experiences) 1 Oct 2019 - 30 Sep 2021 Director, Gulf MTP LNG Terminal Company Limited 1 Nov 2016 - 30 Sep 2021 Executive Vice President, PTT Public Company Limited, working on a secondment as Acting Managing Director, PTT Tank Terminal Company Limited 28 Jan 2016 - 26 Apr 2019 Director, PTT Energy Resources Company Limited Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None Mr. Disathat Panyarachun Director (Non-executive Director) and Director to the Risk Management Committee Age : 57 Years Appointed : October 22nd, 2018, April 5th, 2021 (1st re-elected) Education/Training • Master of Political Science (M.P.A.), National University, San Diego, U.S.A. • B.A. in Ed. (Social Science), Silpakorn University • Diploma, National Defence College, The National Defence Course, Class 63, National Defence College of Thailand (NDC) • Capital Market Leader Program (Class 30), Capital Market Academy • Making the CEO’s of Thailand, MCOT (Class 2), MCOT Public Company Limited • The Executive Program in Energy Literacy for a Sustainable Future, Class 14, Thailand Energy Academy (TEA) • Leadership Development Program III (LDP III), PTT Leadership and Learning Institute (PLLI), PTT Public Company Limited • Certification of Oil Futures Program, The Oxford Princeton, U.K. Director Training • Ethical Leadership Program (ELP) Class 19/2020 and Director Certification Program (DCP) Class 206/2015, Thai Institute of Directors Association (IOD) Board member/Management in Listed Company - The Stock Exchange of Thailand : 3 • Director and Director to the Corporate Governance Committee, PTT Oil and Retail Business Public Company Limited • Director and Director to the Risk Management Committee, PTT Global Chemical Public Company Limited • Senior Executive Vice President, International Trading Business Unit, PTT Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand : 1 • Chairman, PTT International Trading Pte Ltd. Position in Other Organizations/Institutions : None Work Experiences (5-years Past Experiences) 24 Oct 2016 - 8 Oct 2021 Chairman, PTT International Trading London Ltd. 22 Oct 2018 - 22 Jun 2020 Director to the Corporate Governance Committee, PTT Global Chemical Public Company Limited 1 Nov 2011 - 19 Oct 2018 Chairman, PTT International Trading DMCC 1 Feb 2016 - 30 Sep 2018 Executive Vice President, International Trading, PTT Public Company Limited Shareholding : Spouse 80 Shares (0.000002%) as of 31 December 2021 Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None 357 BUSINESS OPERATION AND PERFORMANCE CORPORATE GOVERNANCE FINANCIAL REPORTS AND FINANCIAL STATEMENTS APPENDIX

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