Mr. Kris Imsang Age: 58 Years Appointed Positions Director/Member of the Risk Management Committee/ President and Chief Executive Officer/Secretary of the Board of Directors Date of being a Director 1 October 2022 Date of being the Member of the Risk Management Committee 19 October 2022 Years of being a Director 1 Year 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 (Civil Engineering), Chulalongkorn University • Certification in Top Executives in the Poom Palung Pandin Program, Class 3, Chulalongkorn University • Leadership Development Program III (LDP III), Class 2, PTT Leadership and Learning Institute (PLLI) • Top Executive Program, Class 23, Capital Market Academy (CMA) • Top Executive in Energy Program, Class 9, Thailand Energy Academy (TEA) • Diploma, National Defence Program, Class 62, Thai National Defence College • Certificate Course in Good Governance for Medical Executives, Class 9, King Prajadhipok’s Institute and the Medical Council of Thailand • The Role of the Board in IT Governance, Year 2020 Thai Institute of Directors Association (IOD) • Director Refreshment Training Program (RFP), Class 1/2021, Thai Institute of Directors Association (IOD) • Director Certification Program (DCP), Class 139/2010, Thai Institute of Directors Association (IOD) Work experience within the past 5 years Oct. 2022 - Mar. 2023 Director, UBE Chemicals (Asia) Public Company Limited Oct. 2022 - Dec. 2022 Director, IRPC A&L Company Limited Oct. 2022 - Dec. 2022 Chairman, PTT Energy Solutions Company Limited Apr. 2022 - Sep. 2022 Chairman of the Nomination and Remuneration Committee, IRPC Public Company Limited Jan. 2021 - Apr. 2022 Chairman, IRPC Public Company Limited Jan. 2021 - Sep. 2022 Director/Board of the Nomination and Remuneration Committee, PTT Oil and Retail Business Public Company Limited Sep. 2020 - Sep. 2022 Chairman, PTT Tank Terminal Company Limited Jun. 2020 - Sep. 2022 Chief Operating Officer, Downstream Petroleum Business Group, PTT Public Company Limited Aug. 2020 - Apr. 2022 Vice Chairman – FTI Academy Committee, The Federation of Thai Industries Mar. 2019 - Jan. 2020 Member of the Nomination and Remuneration Committee, IRPC Public Company Limited Nov. 2019 - May 2020 Senior Executive Vice President, Down Stream Business Group Alignment, PTT Public Company Limited Oct. 2018 - Oct. 2019 Senior Executive Vice President, Corporate Governance and Regulatory Affairs, PTT Public Company Limited Jan. 2018 - Sep. 2018 Senior Executive Vice President, Organization Management and Sustainability, PTT Public Company Limited Dec. 2017 - Sep. 2022 Director, IRPC Public Company Limited Dec. 2017 - Feb. 2019 Member of the Corporate Governance Committee, IRPC Public Company Limited Sep. 2017 - Oct. 2019 Chairman, Sarn Palung Social Enterprise Company Limited Mar. 2016 - Aug. 2019 Committee, Kamnoetvidya Science Academy (KVIS) Feb. 2016 - Dec. 2017 Senior Executive Vice President, Human Resources & Organization Excellence, PTT Public Company Limited Feb. 2015 - Nov. 2019 Chairman, Energy Complex Company Limited Aug. 2015 - Jan. 2016 Executive Vice President, Retail Marketing, PTT Public Company Limited Current Position Board member/Management in Listed Company - The Stock Exchange of Thailand Oct. 2022 - Present Director/President and Chief Executive Officer, IRPC Public Company Limited Oct. 2022 - Present Chief Operating Officer reporting to Chief Operating Officer, Downstream Petroleum Business Group, PTT, working on a secondment as Chief Executive Officer and President, IRPC Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand Jul. 2023 - Present Director and President of Membership Department, Chulalongkorn University Alumni Association Under the Royal Patronage of His Majesty King Jan. 2023 - Present Member of the Council of Honorable Institutions, Vidyasirimedhi Institute of Science and Technology (VISTEC) Oct. 2022 - Present Director, IRPC Polyol Company Limited Oct. 2022 - Present Council of Trustees, Petroleum Institute of Thailand Oct. 2022 - Present Council Member, Thailand Business Council for Sustainable Development Sep. 2022 - Present Member and Secretary-General, Industrial Development Foundation Apr. 2022 - Present Secretary, The Federation of Thai Industries Feb. 2021 - Present Board of Directors, Sirindhorn International Institute of Technology, Thammasat University (SIIT) Jun. 2020 - Present Executive Director, Thailand Energy Academy Aug. 2019 - Present Qualified Member of the Committee 37 Board of Directors, IRPC Public Company Limited 56-1 ONE REPORT 2023
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