Mr. Narongsak Jivakanun

As of 21 April 2026

Age: 57 Years

Appointed: 13 May 2024

Shareholding: None

Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries: None

Education / Training

• Master of Science (Chemical Engineering), Oregon State University, Oregon, U.S.A.
• Bachelor of Engineering (Chemical Engineering), Chulalongkorn University
• The Executive Program in Energy Literacy for a Sustainable Future, Class 8, Thailand Energy Academy (TEA)
• Capital Market Leader Program (Class 35), Capital Market Academy
• Subsidiary Governance, Business and Legal Issues for Directors and Executives 2022, Director’s Legal Liabilities, Ethical Leadership for New Era and High Performing Board & Board Effectiveness 2021 (In-house Programs by GC), Thai Institute of Directors Association (IOD)
• IMD - TLCA Leadership Development Program (LDP) Class 1, 2013, organized by Thai Listed Companies Association (TLCA) and IMD Business School, Switzerland

Director Training

• Director Certification Program (DCP) Class 165/2012, Thai Institute of Directors Association (IOD)

Board Industry Experience & Expertise

• Chemical Engineering, Energy, Petroleum, Petrochemical / Materials, Economics and Finance, Business Management, National Security, Sustainability, and Information and Digital Technology

Board member / Management in Listed Company - The Stock Exchange of Thailand: 3

• 15 May 2024 - Present Chairman, Global Green Chemicals Public Company Limited
• 13 May 2024 - Present Senior Executive Vice President reporting to Chief Operating Officer, Downstream Petroleum Business Group, PTT Public Company Limited
• 13 May 2024 - Present Director and Secretary to the Board of Directors, Director to the Risk Management Committee, Chief Executive Officer and Acting President, PTT Global Chemical Public Company Limited

Board member / Management in Non-Listed Company - The Stock Exchange of Thailand: 6

• 1 Jun 2024 - Present Chairman, PTTGC International Private Limited
• 1 Jun 2024 - Present Chairman and Chairperson of the Advisory Committee, PTTGC International (Netherlands) B.V.
• 16 Feb 2022 - Present Chairman, PTTGC America Corporation
• 16 Feb 2022 - Present Chairman, PTTGC America LLC
• 1 Sep 2020 - Present Chairman, GC America Sustainability Corporation
• Present Director, Sermkij Textile Company Limited

Position in Other Organization / Institutions: 7

• 24 Nov 2025 - Present Member of Steering Committee, Coral Reefs and Marine Life of the Thai Seas under the Initiative of Her Royal Highness Princess Sirivannavari Nariratana Rajakanya
• 21 Jul 2025 - Present Member of OUR Khung BangKachao Commission, The Chaipattana Foundation
• 21 Jul 2025 - Present Member of Association Board of Directors, Chulalongkorn University Alumni Association under the Royal Patronage of His Majesty the King
• 21 Mar 2025 - Present Director, Thailand Energy Academy
• 21 Mar 2025 - Present Member of Vidyasirimedhi Institute Council, Vidyasirimedhi Institute of Science and Technology (VISTEC)
• 3 Feb 2025 - Present Director, Kamnoetvidya Science Academy (KVIS)
• 31 May 2024 - Present Member of Trustee, Petroleum and Energy Institute of Thailand (PEIT)

Work Experiences (5-years Past Experiences)

• 13 May 2024 - 31 Dec 2025 Acting Chief Operating Officer of International Business, PTT Global Chemical Public Company Limited
• 28 Apr 2025 - 22 May 2025 Honorary Advisor, the 4th Thailand International Chemical Engineering and Chemical Technology Asia (TNChE Asia 2025)
• 2 Sep 2020 - 30 Jun 2024 Chairman, Vencorex Holding
• 24 Nov 2023 - 31 May 2024 Chairman, Emery Oleochemicals UK Limited
• 1 Jan 2023 - 31 May 2024 Chairman, NatureWorks LLC
• 22 May 2022 - 31 May 2024 Director, Kuraray GC Advanced Materials Company Limited
• 16 Feb 2022 - 31 May 2024 Chairman, GC International Corporation
• 8 Dec 2021 - 31 May 2024 President and Member of the Advisory Committee, PTTGC International (Netherlands) B.V.
• 1 Oct 2019 - 31 May 2024 Director and Managing Director, PTTGC International Private Limited
• 1 Oct 2019 - 31 May 2024 Director, PTTGC International Private Limited
• 1 Oct 2019 - 31 May 2024 Director, PTTGC International (Netherlands) B.V.
• 31 May 2018 - 31 May 2024 Chairman, GC Ventures America Corporation
• 23 May 2018 - 31 May 2024 Chairman, GC Ventures Company Limited
• 1 Feb 2022 - 12 May 2024 Chief Operating Officer - International Business, PTT Global Chemical Public Company Limited
• 12 Oct 2021 - 23 Nov 2023 Chairman of Executive Committee and Risk & Audit Committee, Emery Oleochemicals UK Limited
• 12 Oct 2021 - 23 Nov 2023 Director, Emery Oleochemicals UK Limited
• 15 Oct 2021 - 31 Mar 2022 Treasurer, GC International Corporation
• 1 Oct 2019 - 31 Mar 2022 President and Secretary, GC International Corporation
• 1 Oct 2020 - 15 Feb 2022 President & CEO and Secretary, PTTGC America LLC
• 1 Oct 2019 - 15 Feb 2022 President and Secretary, PTTGC America Corporation
• 1 Oct 2019 - 15 Feb 2022 Director, GC International Corporation
• 1 Jul 2015 - 15 Feb 2022 Director, PTTGC America Corporation
• 1 Jul 2015 - 15 Feb 2022 Director, PTTGC America LLC
• 1 Oct 2019 - 31 Jan 2022 Executive Vice President - International Business Operations, PTT Global Chemical Public Company Limited
• 24 Nov 2020 - 31 Oct 2021 Chairman of Executive Committee and Risk & Audit Committee, Emery Oleochemicals (M) Sdn. Bhd.
• 24 Nov 2020 - 31 Oct 2021 Chairman of Executive Committee, Emery Specialty Chemicals Sdn. Bhd
• 1 Oct 2019 - 31 Oct 2021 Director, Emery Specialty Chemicals Sdn. Bhd.