Age: 57 Years Appointed: 1 January 2023 Mr. Anutin Chuaypen Executive Vice President - Organizational Effectiveness Education/Training Master of Science (Computer & Engineering Management), Assumption University Bachelor of Science (Chemical Engineering), Chulalongkorn University Leadership Development Program (LDP 2), PTT Leadership and Learning Institute (PLLI), PTT Public Company Limited Subsidiary Governance, Business and Legal Issues for Directors and Executives and Transformative Leadership for Global Enterprise, 2022, Director’s Legal Liabilities, Ethical Leadership for New Era and High Performing Board & Board Effectiveness, 2021 (In-house Programs by GC) and Director Certification Program (DCP), Class 200/2015, Thai Institute of Directors Association (IOD) Board Member/Management in Listed Company - The Stock Exchange of Thailand : 1 Executive Vice President - Organizational Effectiveness, PTT Global Chemical Public Company Limited Board Member/Management in Non-Listed Company - The Stock Exchange of Thailand : 3 Director, GC Estate Company Limited Director, Sport Services Alliance Company Limited Director, PTT Digital Solutions Company Limited Work Experiences (5-year Past Experiences) 29 Oct 2019 - 4 Jan 2023 Director, NPC Safety and Environmental Service Company Limited 1 Oct 2019 - 31 Dec 2022 Senior Vice President - Aromatics, PTT Global Chemical Public Company Limited 22 Nov 2019 - 25 Aug 2022 Director, GC Styrenics Company Limited 27 Apr 2015 - 1 Jan 2020 Director, Thai Tank Terminal Limited 10 Jul 2014 - 30 Oct 2019 Director, GC Maintenance and Engineering Company Limited 1 Jan 2014 - 30 Sep 2019 Senior Vice President - Group Performance Center, Refinery and Shared Facilities, PTT Global Chemical Public Company Limited Shareholding : 36,591 Shares (0.000812%) As of 31 December 2023 Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None Age: 58 Years Appointed: 1 January 2023 Mr. Siridech Kumvongdee Executive Vice President - Marketing, Commercial and Supply Chain Education/Training Master of Science (Chemical Engineering), Washington University, U.S.A. Bachelor of Science (Chemistry), Ramkhamhaeng University Advanced Management Programme (AMP), INSEAD University Certificate of Leadership Development Program (LDP 3), Class 2, PTT Leadership and Learning Institute (PLLI), PTT Public Company Limited Certificate of Senior Executive Program (SEP), Sasin Graduate Institute of Business Administration of Chulalongkorn University Certificate of Politics and Governance in Democratic Systems for Senior Executives, Class 24/2020, King Prajadipok’s Institute Role of the Chairman Program (RCP), Class 53/2023, Subsidiary Governance, Business and Legal Issues for Directors and Executives and Transformative Leadership for Global Enterprise, 2022, Director’s Legal Liabilities and Ethical Leadership for new Era, 2021 (In-house Programs by GC), Board Matters and Trends (BMT), Class 2/2017 and Director Certification Program (DCP), Class 209/2015, Thai Institute of Directors Association (IOD) Board Member/Management in Listed Company - The Stock Exchange of Thailand : 1 Executive Vice President - Marketing, Commercial and Supply Chain, PTT Global Chemical Public Company Limited Board Member/Management in Non-Listed Company - The Stock Exchange of Thailand : 4 Chairman, GC-M PTA Company Limited Chairman, Thai PET Resin Company Limited Director, GC Treasury Center Company Limited Director and Executive Chairman, HMC Polymers Company Limited Work Experiences (5-year Past Experiences) 22 Jun 2020 - 12 Dec 2022 Director, Basell Advanced Polyolefins (Thailand) Company Limited 19 Dec 2019 - 12 Dec 2022 Director, Rayong Olefins Company Limited 13 Dec 2019 - 12 Dec 2022 President, HMC Polymers Company Limited 15 Nov 2016 - 1 Oct 2019 Director, Vencorex Holding 3 Feb 2015 - 1 Oct 2019 Director, PTT Digital Solutions Company Limited 1 Jan 2017 - 30 Sep 2019 Executive Vice President - Organizational Effectiveness, PTT Global Chemical Public Company Limited Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None 381 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023
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