ATTACHMENT 1 DETAILS OF DIRECTORS, EXECUTIVES, CONTROLLERS AND COMPANY SECRETARY Mr. Piyasvasti Amranand Chairman and Chairman of the Independent Director (Non-executive Director) Age : 68 Years Appointed : April 9th, 2018, April 5th 2021 (1st re-elected) Education/Training • Doctor of Philosophy (Ph.D.) in Economics, London School of Economics and Political Science, University of London, U.K. • Master of Science (Economics), London School of Economics and Political Science, University of London, U.K. • Bachelor of Arts (Mathematics) (First-class Honors), University of Oxford, U.K. • The Executive Program in Energy Literacy for a Sustainable Future, Class 6, Thailand Energy Academy (TEA) Director Training • Director Accreditation Program (DAP) Class 35/2005, Thai Institute of Directors Association (IOD) Board member/Management in Listed Company - The Stock Exchange of Thailand : 4 • Independent Director and Chairman of Plan Administrator, Thai Airways International Public Company Limited • Chairman and Chairman of the Independent Director, PTT Global Chemical Public Company Limited • Independent Director and Chairman of the Audit Committee, Pruksa Holding Public Company Limited • Independent Director and Chairperson of the Risk Oversight Committee, Kasikornbank Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand : 1 • Director, Kiroro Resort Holdings Company Limited Position in Other Organizations/Institutions : 3 • Member, the National Energy Reform Committee • Council Member, the Heart Foundation of Thailand under the Royal Patronage • Chairman, Energy for Environment Foundation Work Experiences (5-years Past Experiences) 25 May 2020 - 14 Jun 2021 Independent Director and Planner, Thai Airways International Public Company Limited 2015 - May 2020 Chairman of the Audit Committee, Kasikornbank Public Company Limited 1 Jul 2014 - 11 Jul 2018 Independent Director and Chairman, PTT Public Company Limited Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None Mr. Apisak Tantivorawong Independent Director (Non-executive Director) and Chairman of the Audit Committee Age : 68 Years Appointed : January 24th, 2020 Education/Training • Master of Business Administration (M.B.A.) (Industrial Management), University of Tennessee, U.S.A. • Bachelor of Engineering (Chemical Engineering), Chulalongkorn University • Diploma, National Defence College, The Joint State-Private Sector Course, Class 16, National Defence College of Thailand (NDC) Director Training • Director Certification Program (DCP) Class 18/2002, Thai Institute of Directors Association (IOD) Board member/Management in Listed Company - The Stock Exchange of Thailand : 2 • Chairman of the Board of Directors and Independent Director, S Hotels and Resorts Public Company Limited • Independent Director and Chairman of the Audit Committee, PTT Global Chemical Public Company Limited Board member/Management in Non-Listed Company - The Stock Exchange of Thailand : None Position in Other Organizations/Institutions : 2 • Honorable Committee Members, Chulabhorn Royal Academy Council • Director of the Rehabilitation Committee, Thai Airways International Public Company Limited Work Experiences (5-years Past Experiences) 19 Aug 2015 - 16 Jul 2019 Minister, Ministry of Finance Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED 350 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2021
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