Mrs. Nidcha Jirametthanakij Age: 60 Years (Resigned 30 September 2022) Education/Training • Bachelor of Accounting (Accounting), Thammasat University • Master of Business Administration, Kasetsart University • Executive Development Program by Fiscal Policy Research Institute Foundation, Kingdom of Thailand in cooperation with Maxwell School of Syracuse University • Advanced Management Program (AMP) 2 - People Management • CFOs Orientation Course for New IPOs, The Stock Exchange of Thailand (SET) • The Role of the Board in IT Governance, Year 2020, Thai Institute of Directors Association (IOD) • Director Certification Program (DCP), Class 206/2015, Thai Institute of Directors Association (IOD) Work experience within the past 5 years Mar. 2021 - Sep. 2022 VISTEC Finance and Budget SubCommittee, Vidyasirimedhi Institute of Science and Technology (VISTEC) Jul. 2020 - Sep. 2022 Director, Mytex Polymers (Thailand) Company Dec. 2018 - Sep. 2022 Director, IRPC A&L Company Limited Nov. 2018 - Sep. 2022 Director, iPolymer Company Limited Nov. 2018 - Sep. 2022 Director, IRPC Oil Company Limited Nov. 2018 - Sep. 2022 Director, IRPC Polyol Company Limited Nov. 2018 - Sep. 2022 Director, WHA Industrial Estate Rayong Company Limited Oct. 2018 - Sep. 2022 Director, UBE Chemicals (Asia) Public Company Limited Oct. 2018 - Sep. 2022 Director, IRPC Clean Power Company Oct. 2018 - Sep. 2022 Senior Executive Vice President, Corporate Accounting & Finance, IRPC Public Company Limited Mar. 2018 - Sep. 2022 Executive Vice President, Corporate Finance & Accounting, PTT Public company Limited 2018 Executive Vice President, PTT Public Company Limited, Secondment to PTT Oil and Retail Business Company Limited 2016 - 2018 Vice President, Group Financial Planning, PTT Public Company Limited 2013 - 2016 Acting Managing Director, PTT Regional Treasury Center Pte. Ltd. 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 Mr. Prasitsak Swasduang Age: 60 Years (Retired) Education/Training • Bachelor of Science in Chemistry, Chiang Mai University • MINI MBA - Thammasat University • Finance for Non-financial Executive - Thammasat University • IT audit for Non-IT Auditor Masterclass by NSTDA Work experience within the past 5 years Jan. 2021 - Dec. 2022 Senior Vice President, Office of Corporate Internal Audit and Secretary of Audit Committee, IRPC Public Company Limited Jan. 2017 - Dec. 2020 Division Manager of Strategy Information System Internal Audit Division, IRPC Public Company Limited Jan. 2007 - Dec. 2016 Division Manager of Operation, QSHE & Subsidiary Companies Internal Audit Division, IRPC Public 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 49 Management Team IRPC PUBLIC COMPANY LIMITED
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