IRPC One Report EN

Mr. Sukrit Surabotsopon Age: 63 Years Appointed Positions: Independent Director/ Member of the Risk Management Committee Date of being an Independent director 2 February 2021 Date of being a Director 20 January 2021 Date of being a Member of the Risk Management Committee 20 January 2021 Years of being a Director 11 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 in Chemical Engineering with 2nd Class Honor, Chulalongkorn University • The Executive Program in Energy Literacy for a Sustainable Future, Class 6/2015, Thailand Energy Academy (TEA) • Capital Market Academy Leader Program, Class 16/2013, Capital Market Academy • Diploma, National Defence College, The Joint State - Private Sector Course, Class 26/2013, Thailand National Defence College • Advanced Certificate Course Politics and Governance in Democratic Systems for Executives, Class 15/2012, King Prajadhipok’s Institute • The Board’s Role in Strategic Formulation, Governance Matters Australia • Audit Committee Program (ACP), Class 38/2012, Thai Institute of Directors (IOD) • Monitoring the System of Internal Control & Risk Management (MIR), Class 12/2012, Thai Institute of Directors (IOD) • Director Certification Program (DCP), Class 132/2010, Thai Institute of Directors (IOD) • TLCA Executive Development Program (EDP), Class 3/2009, Thai Listed Company Association Work Experience within the past 5 years Nov. 2018 - Jan. 2019 Director, iPolymer Company Limited Jun. 2018 - Dec. 2018 Director, IRPC Polyol Company Limited Jan. 2017 - Jan. 2019 Chairman, PTT Energy Solutions Company Limited Mar. 2015 - Jan. 2019 Chairman, IRPC Technology Company Limited Feb. 2015 - Jun. 2017 Chairman, IRPC PCC Company Limited Oct. 2014 - Jan. 2019 Member of Risk Management Committee, IRPC Public Company Limited Aug. 2014 - Jan. 2019 Chairman, IRPC Oil Company Limited Aug. 2014 - May 2018 Chairman, IRPC Polyol Company Limited Aug. 2014 - Jul. 2016 Chairman, Thai ABS Company Limited Jan. 2014 - Jan. 2019 Director, The Federation of Thai Industries Jan. 2014 - Feb. 2018 Chairman, Petroleum Refining Industry Club, The Federation of Thai Industries Nov. 2013 - Jan. 2019 Chairman, IRPC A&L Company Limited Nov. 2013 - Jan. 2019 Director, UBE Chemicals (Asia) Public Company Limited Nov. 2013 - Jun. 2015 Director, PTT Polymer Marketing Company Limited Oct. 2013 - Jan. 2019 Senior Executive Vice President, PTT Public Company Limited, Secondment in the position of Director/ President/ Secretary of the Board of Directors, IRPC Public Company Limited Current Position Board Member/ Management in Listed Company - The Stock Exchange of Thailand Feb. 2021 - Present Independent Director/ Member of the Risk Management Committee, IRPC Public Company Limited Jan. 2021 - Present Director/ Member of the Risk Management Committee, IRPC Public Company Limited Board Member/ Management in Non-Listed Company - The Stock Exchange of Thailand Jun. 2019 - Present Director, The Black Tie Service Company Limited Jun. 2019 - Present Director, Chomchob Group Company Limited Apr. 2019 - Present Director, Drink Me Food & Beverage Company Limited Mar. 2019 - Present Chairman, Vrtwins Company Limited 37 Board of Directors IRPC PUBLIC COMPANY LIMITED

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