IRPC Annual Report 2023

Mr. Poramet Junwichit Age: 59 Years Appointed Positions Senior Executive Vice President, Corporate Organization Effectiveness and Digital Date of being a Senior Executive Vice President, Corporate Organization Effectiveness 1 January 2022 Years of being a Senior Executive Vice President, Corporate Organization Effectiveness 2 Years 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 • Top Executive in Energy Program, Class 17/2023, Thailand Energy Academy (TEA) • 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 Vice President, Office of Corporate Internal Audit Aug. 2020 - Dec. 2021 Executive Vice President, Engineering & Maintenance Feb. 2020 Acting Executive Vice President, Engineering & Maintenance Jan. 2018 Vice President, Maintenance Service 2 Department Oct. 2014 Vice President, Inspection and Reliability Department Jun. 2010 Vice President, Engineering Department 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 47 Management Team, IRPC Public Company Limited 56-1 ONE REPORT 2023

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