GC One Report 2023 [EN]

Age: 51 Years Appointed: 1 January 2024 Mr. Kamel Ramdani Executive Vice President - Product Innovation Acting Senior Vice President - Innovation Growth Platforms and Corporate Venture Capital Education/Training Doctor of Philosophy (Ph.D.) in Chemical Engineering, French Institute of Petroleum & French National Research Center, Lyon, France Master of Business Administration, Wharton School Philadelphia, U.S.A. Master of Science (Chemistry and Catalysis), University Pierre & Marie Curie, Paris VI, France Bachelor of Engineering (Chemical Engineering), University Claude Bernard, Lyon, France Board Member/Management in Listed Company - The Stock Exchange of Thailand : 1 Executive Vice President - Product Innovation, Acting Senior Vice President - Innovation Growth Platforms and Corporate Venture Capital, PTT Global Chemical Public Company Limited Board Member/Management in Non-Listed Company - The Stock Exchange of Thailand : 4 Director, PTT MCC Biochem Company Limited Director, Vencorex Holding Director and Managing Director, GC Ventures Company Limited Director, GC Ventures America Corporation Work Experiences (5-year Past Experiences) 1 Dec 2021 - 31 Dec 2023 Senior Vice President - Product Innovation and Acting Senior Vice President - Innovation Growth Platforms and Corporate Venture Capital, PTT Global Chemical Public Company Limited 2013 - 2021 Senior Vice President - Research & Innovation, Global Technology VP Solvay Group, Global Business Unit Novecare, Princeton, New Jersey, U.S.A. Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None Age: 57 Years Appointed: 1 April 2020 Mr. Pornsak Mongkoltrirat Executive Vice President - Polymers Education/Training Master of Business Administration (Management), Kasetsart University Bachelor of Engineering (Mechanical Engineering), Kasetsart University 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), Role of the Chairman Program (RCP), Class 48/2021 and Director Certification Program (DCP), Class 263/2017, Thai Institute of Directors Association (IOD) Board Member/Management in Listed Company - The Stock Exchange of Thailand : 1 Executive Vice President - Polymers, PTT Global Chemical Public Company Limited Board Member/Management in Non-Listed Company - The Stock Exchange of Thailand : 8 Chairman, ENVICCO Limited Chairman, Revolve Group Limited Chairman of the Executive Committee, PTT Asahi Chemical Company Limited Director, GC Logistics Solutions Company Limited Director, GC-M PTA Company Limited Director, Thai PET Resin Company Limited Director, Dynachisso Thai Company Limited Executive Committee Member, HMC Polymers Company Limited Work Experiences (5-year Past Experiences) 15 Jan 2023 - 19 Feb 2024 Chairman, GC Logistics Solutions (Vietnam) Company Limited 12 Nov 2019 - 19 Feb 2024 Chairman, PL Global Transport Company Limited 1 Jan 2023 - 31 Dec 2023 Managing Director, GC Logistics Solutions Company Limited 12 Nov 2019 - 20 Dec 2023 Chairman, GC Logistics Solutions Company Limited 28 Feb 2022 - 8 May 2023 Chairman, Solution Creation Company Limited 23 Feb 2021 - 8 May 2023 Director, Solution Creation Company Limited 28 Oct 2019 - 19 Oct 2022 Director, GC Marketing Solutions Company Limited 11 Nov 2019 - 24 Aug 2022 Chairman, GC Styrenics Company Limited 28 Sep 2020 - 22 May 2022 Director, Revolve Group Limited 29 Mar 2019 - 15 Feb 2022 Director, GC Maintenance and Engineering Company Limited 1 Oct 2019 - 30 Mar 2020 Acting Executive Vice President - Group Performance Center - Polymers Business Unit, PTT Global Chemical Public Company Limited 27 Dec 2018 - 12 Nov 2019 Director, GC-M PTA Company Limited 27 Dec 2018 - 12 Nov 2019 Director, Thai PET Resin Company Limited 16 Jul 2017 - 1 Oct 2019 Director and Managing Director, GC Glycol Company Limited Shareholding : 15,258 Shares (0.000338%), Spouse 16,158 Shares (0.000358%) As of 31 December 2023 Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None 383 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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