Attachment 1 Details of Directors, Executives, Controllers and Company Secretary Directors’ Profiles PTT Global Chemical Public Company Limited (As of 17 February 2024) Age: 65 Years Appointed: 15 November 2023 Mr. Predee Daochai Chairman and Chairman of the Independent Director (Non-executive Director) Education/Training Honorary Doctorate in Business Administration, Southeast Bangkok University Master’s Degree (MCL), University of Illinois at Urbana-Champaign, U.S.A. Bachelor of Laws (Honors), Thammasat University Barrister-at-Law, Thai Bar Association National Defence Course for the Joint State Private Sector (Class 24), National Defence College of Thailand (NDC) Executive Program on Risk Management, U.K. Course, The Institute of International Finance Capital Market Leadership Program (Class 20/2015), Capital Market Academy Executive Program, Singularity University, Silicon Valley, California, U.S.A. Making Innovation Happen Programme, U.K. Course, London Business School Influence and Negotiation Strategies Program, U.S.A. Course, Stanford Graduate School of Business, Stanford University, U.S.A. Breakthrough Program for Senior Executives, Switzerland Course, IMD Business School Advanced Management Program, Harvard Business School, U.S.A. Director Training Role of the Chairman Program (RCP), Class 51/2022, Thai Institute of Directors Association (IOD) Board Nomination and Compensation Program (BNCP), Class 14/2022, Thai Institute of Directors Association (IOD) Corporate Governance for Capital Market Intermediaries (CGI), Class 11/2016, Thai Institute of Directors Association (IOD) Ethical Leadership Program (ELP), Class 1/2015, Thai Institute of Directors Association (IOD) Financial Institutions Governance Program (FGP), Class 1/2010, Thai Institute of Directors Association (IOD) Director Certification Program (DCP), Class 56/2005, Thai Institute of Directors Association (IOD) Board Industry Experience & Expertise Finance, Treasury, Capital Market, Laws, Organizational Management, Risk Management, Corporate Governance, Security, and Information Technology 362
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