Mr. Pranarch Kosayanont Age: 57 Years Appointed Positions Senior Executive Vice President, Corporate Strategy Planning and Business Development Date of being a Senior Executive Vice President, Corporate Strategy Planning and Business Development 1 July 2023 Years of being a Senior Executive Vice President, Corporate Strategy Planning and Business Development 6 Months Possession of IRPC shares (%) No. of share “IRPC”: 245,292 Share Possession: 0.00120% Family relationship within the Company, major shareholder or subsidiaries None Education/Training • Bachelor of Science (Chemistry), King Mongkut’s University of Technology Thonburi • MINI M.B.A. Thammasat University • Leadership Development Program I Class 1/2013, PTT Leadership Learning Institute (PLLI)/Harvard Business School • Senior Executive Program (SEP) Class 25/2011, Sasin Graduate Institute of Business Administration of Chulalongkorn University • Advance Management Program 2 (AMP2) Class 1/2018, PTT Leadership Learning Institute (PLLI) • Advance Management Program 3 (AMP3) Class 1/2019, PTT Leadership Learning Institute (PLLI) • Director Certification Program (DCP) Class 340/2023, Thai Institute of Directors (IOD) • The Executive Program in Energy Literacy for a Sustainable Future (Class 18/2023), Thailand Energy Academy (TEA) Work experience within the past 5 years Jan. 2023 - Jun. 2023 Acting Senior Executive Vice President, Corporate Strategy Planning and Business Development, IRPC Public Company Limited Jan. 2022 - Dec. 2022 Ultra Clean Fuel (UCF) Project Director, IRPC Public Company Limited Mar. 2020 - Dec. 2021 Executive Vice President, Refinery and Petrochemical Operation, IRPC Public Company Limited Aug. 2019 - Feb. 2020 Executive Vice President, Production & Operation, IRPC Public Company Jan. 2017 - Jul. 2019 Acting Executive Vice President, Production & Operation, IRPC Public Company Limited Current Position Board member/Management in Listed Company - The Stock Exchange of Thailand Jul. 2023 - Present Senior Executive Vice President, Corporate Strategy Planning and Business Development, IRPC Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand Jan. 2023 - Present Director, IRPC Clean Power Company Limited Jan. 2023 - Present Chairman, Mytex Polymers (Thailand) Company Jan. 2023 - Present Director, IRPC A&L Company Limited 46 Management Team, IRPC Public Company Limited IRPC Public Company Limited
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