IRPC One Report EN

Mr. Woothisarn Tanchai Age: 63 Years Appointed Position: Independent Director/ Chairman of the Nomination and Remuneration Committee Date of being an Independent Director 19 June 2015 Date of being the Chairman of the Nomination and Remuneration Committee 19 June 2015 Years of being an Independent Director 6 Years 6 Months Possession of IRPC shares (%) No. of share IRPC: - Share Possession: - % Family relationship within the Company, major shareholder of subsidiaries None Education/ Training • Bachelor of Science, Khon Kaen University • Master of Public Administration, National Institute of Development Administration (NIDA) • Master of Policy Science (M.P.S.), International Program, Saitama University, Japan • Public Law Certificate, Faculty of Law, Thammasat University • Public Director Certification Program (PDI), Class 1, King Prajadhipok’s Institute • The Role of the Board in IT Governance, Year 2020, Thai Institute of Directors Association (IOD) Work Experience within the past 5 years 2011 - Aug. 2018 Member, the National Culture Commission 2011 - Oct. 2018 Sub-Committee, the Office of the Public Sector Development Commission (OPDC) Sep. 2017 - 2019 Director, Member of the Board of Directors of the Strategy for Balancing and Developing the Public Sector management System Current Position Board Member/ Management in Listed Company - The Stock Exchange of Thailand Jun. 2015 - Present Independent Director/ Chairman of the Nomination and Remuneration Committee, IRPC Public Company Limited Board Member/ Management in Non-Listed Company - The Stock Exchange of Thailand Oct. 2020 - Present Honorary Board Member of the Development and Promotion of Public Organization Committee Oct. 2020 - Present Sub-Committee, the office of the Public Sector Development Commission (OPDC) 2020 - Present Sub-Committee on Civil Service Organization of Government Agencies and Compensation, Office of the Civil Service Commission of Bangkok Feb. 2020 - Present Vice President, Nakhon Pathom Rajabhat University Council Mar. 2018 - Present Chariman of the Sub-Committee, the National Anti-Corruption Commission (NACC) 2016 - Present Honorary Board Member, Thammasat University Council Dec. 2014 - Present Secretary General, King Prajadhipok’s Institute 2011 - Present Sub-Committee, the National Anti-Corruption Commission (NACC) 2008 - Present Honorary Board Member, Nakhon Ratchasima Rajabhat University Council 33 Board of Directors IRPC PUBLIC COMPANY LIMITED

RkJQdWJsaXNoZXIy ODg4NTI=