GC One Report 2023 [EN]

Age: 60 Years Appointed: 1 January 2023 Mr. Paisarn Sarapee Senior Vice President - EO and Derivatives Education/Training Master of Business Administration, Graduate School of Commerce, Burapha University Bachelor of Science (Industrial Chemistry), Chiang Mai University Head of Company Program, INSEAD University Senior Executive Program (SEP) 2005, Sasin Graduate Institute of Business Administration of Chulalongkorn University 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), Financial Statements for Directors (FSD), Class 41/2020 and Director Certification Program (DCP), Class 286/2019, Thai Institute of Directors Association (IOD) Board Member/Management in Listed Company - The Stock Exchange of Thailand : 1 Senior Vice President - EO and Derivatives, PTT Global Chemical Public Company Limited Board Member/Management in Non-Listed Company - The Stock Exchange of Thailand : 2 Director, NPC Safety and Environmental Service Company Limited Director, GC Maintenance and Engineering Company Limited Work Experiences (5-year Past Experiences) 1 Jul 2022 - 30 Mar 2023 Director and Managing Director, GC Oxirane Company Limited 1 May 2022 - 30 Jun 2022 Senior Vice President under Chief Operating Officer - Value Added Products, PTT Global Chemical Public Company Limited 1 Oct 2019 - 30 Apr 2022 Director and Managing Director, PTT Phenol Company Limited 1 Oct 2019 - 30 Apr 2022 Senior Vice President - Phenol Business Unit, PTT Global Chemical Public Company Limited 1 Jan 2015 - 30 Sep 2019 Vice President - Phenol Operation Department, PTT Phenol Company Limited Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None Age: 56 Years Appointed: 1 May 2022 Mr. Sawat Trongdilokrat Senior Vice President - Phenol and Derivatives Education/Training Master of Business Administration (Marketing), Sripatum University Bachelor of Science (Chemical Engineering), Chulalongkorn University Leadership Development Program (LDP 1 and 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 (In-house Programs by GC) and Director Certification Program (DCP), Class 325/2022, Thai Institute of Directors Association (IOD) Board Member/Management in Listed Company - The Stock Exchange of Thailand : 1 Senior Vice President - Phenol and Derivatives, PTT Global Chemical Public Company Limited Work Experiences (5-year Past Experiences) 1 May 2022 - 31 Mar 2023 Director and Managing Director, PTT Phenol Company Limited 1 Apr 2022 - 30 Apr 2022 Vice President under Chief Operating Officer Value Added Products, PTT Global Chemical Public Company Limited 1 Oct 2019 - 31 Mar 2022 Vice President - Aromatics Maintenance, PTT Global Chemical Public Company Limited 1 Jan 2017 - 30 Apr 2019 Vice President - Aromatics Plant 2, PTT Global Chemical Public Company Limited Shareholding : 15,000 Shares (0.000333%) As of 31 December 2023 Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None 387 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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