IRPC One Report 2022 EN

Mr. Somnuk Bomrungsalee Age: 65 Years Appointed Positions: Independent Director/Chairman of the Audit Committee Date of being a Director 9 April 2014 Date of being an Independent Director 1 October 2017 Date of being the Chairman of the Audit Committee 2 December 2017 Years of being a Director 8 Years 8 Months Possession of IRPC shares (%) No. of share “IRPC”: 50,000 Share Possession: 0.00024 % Family relationship within the Company, major shareholder or subsidiaries None Education/Training • Bachelor of Engineering (Civil Engineering), King Mongkut’s University of Technology Thonburi (KMUTT) • Master of Public and Private Management, The National Institute of Development Administration (NIDA) • Advanced Master of Management program, Class 2/2018, The National Institute of Development Administration (NIDA) • The Program for Senior Executive on Justice, Class 20/2015, Administration Batch, National Justice Academy • The Executive Program in Energy Literacy for a Sustainable Future, Class 5/2014, Thailand Energy Academy (TEA) • Executive Training Course 2, Class 5/2013, Office of the Civil Service Commission • Advanced Certificate Course Politics and Governance in Democratic Systems for Executives, Class 16/2012, King Prajadhipok’s Institute • Executive Training Course, Class 65/2009, Office of the Civil Service Commission • Energy Executive Course, Class 2/2008, Ministry of Energy • The Role of the Board in IT Governance, Year 2020, Thai Institute of Directors Association (IOD) • Director Certification Program (DCP), Class 233/2017, Thai Institute of Directors Association (IOD) Work experience within the past 5 years Feb. 2018 - 2019 Advisor, Energy Fund Administration Institute Nov. 2017 - 2018 Sub - Committee, State Audit Commission, Office of the Auditor General of Thailand Apr. 2016 - Nov. 2017 Member of the Nomination and Remuneration Committee, IRPC Public Company Limited Oct. 2016 - Sep. 2017 Deputy Secretary of Energy Oct. 2015 - 2019 Sub - Committee, Energy Commission, The National Legislative Assembly Jul. 2014 - Sep. 2016 Inspector General, Ministry of Energy Current Position Board member/Management in Listed Company - The Stock Exchange of Thailand Nov. 2018 - Present Independent Director/Audit Committee/ Chairman of Nomination and Remuneration Committee, Megachem (Thailand) Public Company Limited Dec. 2017 - Present Chairman of the Audit Committee, IRPC Public Company Limited Oct. 2017 - Present Independent Director, IRPC Public Company Limited Apr. 2014 - Present Director, IRPC Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand None 27 IRPC PUBLIC COMPANY LIMITED Boards of Directors

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