Mr. Poramet Junwichit Age: 58 Years Appointed Positions: Senior Executive Vice President, Corporate Organization Effectiveness and Digital Date of being a Senior Executive Vice President, Corporate Organization Effectiveness and Digital 1 January 2022 Years of being a Senior Executive Vice President, Corporate Organization Effectiveness and Digital 1 Year Possession of IRPC shares (%) No. of share “IRPC”: - Share Possession: - % Family relationship within the Company, major shareholder or subsidiaries None Education/Training • MINI MBA, Thammasat University • M.Ed. (Public Administration), National Institute of Development Administration • B.Eng. (Engineering), Kasetsart University • Leadership Development Program II • Inspiration and Capability Drive • IRPC Culture Transformation Leading • Advanced Certificate Course in Promotion of Peaceful Society, Class 12, Academic Year 2021-2022, King Prajdhipok’s Institute • Director Certification Program (DCP), Class 316/2022, Thai Institute of Directors Association (IOD) Work experience within the past 5 years Jan. 2023 Acting Senior Manager, of Internal Audit Office, IRPC Public Company Limited Aug. 2020 - Dec. 2021 Executive Vice President, Engineering & Maintenance, IRPC Public Company Limited Feb. 2020 Acting Executive Vice President, Engineering & Maintenance, IRPC Public Company Limited Jan. 2018 Vice President, IRPC Public Company Limited Maintenance Service 2 Department Oct. 2014 Vice President, Inspection and Reliability Department, IRPC Public Company Limited Jun. 2010 Vice President,Engineering Department, IRPC Public Company Limited Current Position Board member/Management in Listed Company - The Stock Exchange of Thailand Jan. 2022 - Present Senior Executive Vice President, Corporate Organization Effectiveness and Digital, IRPC Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand Nov. 2022 - Present Chairman, IRPC Technology Company Limited Jan. 2022 - Present Director, IRPC Technology Company Limited Mr. Pranarch Kosayanont Age: 56 Years Appointed Positions: Acting Senior Executive Vice President, Corporate Strategy Planning and Business Development Date of being an Acting Senior Executive Vice President, Corporate Strategy Planning and Business Development 1 January 2023 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 Work experience within the past 5 years 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 Jan. 2023 - Present Acting 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 Chariman, Mytex Polymers (Thailand) Company Jan. 2023 - Present Director, IRPC A&L Company Limited 44 56-1 ONE REPORT 2022 IRPC PUBLIC COMPANY LIMITED
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