GC One Report 2023 [EN]

Age: 52 Years Appointed: 1 January 2024 Mr. Panchoak Auetanapa Senior Vice President - Utilities Education/Training Bachelor of Engineering (Electrical Engineering), Chulalongkorn University GC X INSEAD Global Leadership Acceleration Program, 2022 (G-LAP) (In-house Program by GC), PTT Global Chemical Public Company Limited Extraordinary Leader, 2017, PTT Global Chemical Public Company Limited Leadership Development Program (LDP 1/2015 and LDP 2/2017), PTT Global Chemical Public Company Limited Subsidiary Governance, Business and Legal Issues for Directors and Executives, 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 305/2021, Thai Institute of Directors Association (IOD) Board Member/Management in Listed Company - The Stock Exchange of Thailand : 1 Senior Vice President - Utilities, PTT Global Chemical Public Company Limited Board Member/Management in Non-Listed Company - The Stock Exchange of Thailand : 2 Director, GC Estate Company Limited Director, Eastern Fluid Transport Company Limited Work Experiences (5-year Past Experiences) 1 Jan 2023 - 31 Dec 2023 Acting Senior Vice President - Utilities, PTT Global Chemical Public Company Limited 1 Jul 2022 - 31 Dec 2022 Vice President - PS Plant, PTT Global Chemical Public Company Limited 1 Feb 2021 - 30 Jun 2022 Director and Managing Director, GC Styrenics Company Limited 1 Mar 2019 - 31 Jan 2021 Vice President - Utilities Technology & Maintenance, PTT Global Chemical Public Company Limited 1 Nov 2017 - 28 Feb 2019 Vice President - Utilities Support, PTT Global Chemical Public Company Limited Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None Age: 53 Years Appointed: 1 July 2022 Mr. Thitipol Artsanchorn Senior Vice President - Marketing and Sales - General Application Education/Training Master of Business Administration (Executive MBA Program), Kasetsart University Bachelor Degree in Mechanical Engineering, Kasetsart University Leadership Program 2012, Ashridge Business School, U.K. Supply Chain Process Optimization 2010, Marcus Evans, Singapore Key Account Management - Leadership 2001, Cranfield, Bangkok 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 273/2019, Thai Institute of Directors Association (IOD) Board Member/Management in Listed Company - The Stock Exchange of Thailand : 1 Senior Vice President - Marketing and Sales - General Application, PTT Global Chemical Public Company Limited Board Member/Management in Non-Listed Company - The Stock Exchange of Thailand : 9 Chairman, GC Marketing Solutions (Shanghai) Company Limited Chairman, PT GCM Marketing Solutions Indonesia Chairman, GC Marketing Solutions Myanmar Company Limited Chairman, GC Marketing Solutions Vietnam Company Limited Chairman, GCM Polymer Trading DMCC Director, ENVICCO Limited Executive Committee Member, HMC Polymers Company Limited Director, PL Global Transport Company Limited Director and Managing Director, GC Marketing Solutions Company Limited Work Experiences (5-year Past Experiences) 31 Oct 2019 - 20 Dec 2023 Director, GC Logistics Solutions Company Limited 1 Mar 2019 - 30 Jun 2022 Senior Vice President under Chief Operating Officer - Downstream Petrochemical Business, PTT Global Chemical Public Company Limited 26 Mar 2019 - 28 Sep 2020 Director, Revolve Group Limited 2 May 2016 - 28 Feb 2019 General Manager, Piovan Asia Pacific 2 May 2016 - 28 Feb 2019 General Manager, Piovan Indonesia, Jakarta, Indonesia Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None 389 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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