Mr. Cherdchai Boonchoochauy Director (Non-Executive Director) Director to the Risk Management Committee Age: 56 Years Appointed: 19 December 2022 Education/Training Master of Engineering (Chemical Engineering), Chulalongkorn University Master of Business Administration, Chulalongkorn University Bachelor of Science (Chemical Technology) Chulalongkorn University Director Training Director Certification Program (DCP), Class 320/2022, Thai Institute of Directors Association (IOD) Board Industry Experience & Expertise Engineering, Energy, Petroleum, Petrochemical, Business Management, Marketing, International Business, Innovation, and Risk Management Board Member/Management in Listed Company - The Stock Exchange of Thailand : 2 Director and Director to the Risk Management Committee, PTT Global Chemical Public Company Limited Senior Executive Vice President, Innovation and New Ventures, PTT Public Company Limited Board Member/Management in Non-Listed Company - The Stock Exchange of Thailand : 2 Director, Arun Plus Company Limited Chairman, Alpha Com Company Limited Position in Other Organizations/Institutions : None Work Experiences (5-year Past Experiences) 1 Nov 2021 - 7 Mar 2023 Chairman, Sakari Resources Limited 8 Oct 2021 - 1 Mar 2023 Chairman, PTT Energy Resources Company Limited 11 Oct 2021 - 10 Feb 2023 Chairman, PTT Global management Company Limited 1 Aug 2021 - 30 Sep 2022 Executive Vice President, Strategy & Portfolio Management, PTT Public Company Limited 29 Apr 2019 - 1 Oct 2021 Director, PTT Natural Gas Distribution Company Limited 12 Sep 2019 - 27 Sep 2021Director, Trans Thai-Malaysia (Thailand) Limited 12 Sep 2019 - 27 Sep 2021Director, Trans Thai-Malaysia (Malaysia) Limited 13 Aug 2019 - 27 Sep 2021Director, TTM Sukuk Berhad 1 Nov 2019 - 31 Jul 2021 Executive Vice President, Natural Gas Supply & Trading, PTT Public Company Limited 1 Oct 2018 - 30 Sep 2019Executive Vice President, Strategic Planning, Gas Business Unit, PTT Public Company Limited Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None Work Experiences (5-year Past Experiences) 2 Jul 2021 - 1 Dec 2022 Director, Arun Plus Company Limited 1 Oct 2021 - 30 Sep 2022 Chief New Business and Infrastructure Officer, PTT Public Company Limited 1 Oct 2021 - 29 Sep 2022 Director and Director to the Corporate Governance and Sustainability Committee, PTT Global Chemical Public Company Limited 1 Oct 2021 - 22 Nov 2021 Director to the Nomination & Remuneration Committee, PTT Global Chemical Public Company Limited 4 Jan 2021 - 18 Oct 2021 Chairman, Global Renewable Power Company Limited 4 Dec 2020 - 18 Oct 2021 Director, Alpha Com Company Limited 7 Apr 2021 - 1 Oct 2021 Director, and Member of Corporate Governance Committee, PTT Oil and Retail Business Public Company Limited Jan 2021 - 30 Sep 2021 Director, and Member of the Nomination and Remuneration Committee, IRPC Public Company Limited 1 Dec 2020 - 30 Sep 2021 Senior Executive Vice President, Innovation and Digital, PTT Public Company Limited Apr 2019 - Jan 2021 Chairman, IRPC Public Company Limited 3 Jul 2020 - 30 Nov 2020 Senior Executive Vice President, PTT Public Company Limited, working on a secondment as President and Chief Executive Officer, IRPC Public Company Limited 1 Feb 2019 - 3 Jul 2020 Senior Executive Vice President, PTT Public Company Limited, working on a secondment as President, IRPC Public Company Limited Feb 2019 - Aug 2019 Chairman, PTT Energy Solutions Company Limited Oct 2017 - Jan 2019 Chairman, PTT Global LNG Company Limited 30 Sep 2022 - Dec 2022 Acting Chief Executive Officer and President, Thai Oil Public Company Limited 30 Sep 2022 - Dec 2022 Chief Operating Officer, Downstream Petroleum Business Group, PTT Public Company Limited, working on a secondment as Acting Chief Executive Officer, Thai Oil Public Company Limited 2 Dec 2020 - Mar 2021 Chairman, PTT Digital Solutions Company Limited Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None 371 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023
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