GC_ONE REPORT 2021_ENG

Mr. Narongsak Jivakanun Chief Operating Officer - International Business Age : 53 Appointed : February 1st, 2022 Education/Training • Master of Science (Chemical Engineering), Oregon State University, Oregon, U.S.A. • Bachelor of Engineering (Chemical Engineering), Chulalongkorn University • IMD - TLCA Leadership Development Program (LDP) Class 1, 2013 organized by Thai Listed Companies Association (TLCA) and IMD Business School, Switzerland) • The Executive Program in Energy Literacy for a Sustainable Future, Class 8, Thailand Energy Academy (TEA) • Director’s Legal Liabilities, Ethical Leadership for new Era and High Performing Board & Board Effectiveness 2021 (In-house Programs by GC) Director Certification Program (DCP) Class 165/2012, Thai Institute of Directors Association (IOD) Board member/Management in Listed Company – The Stock Exchange of Thailand : 1 • Chief Operating Officer - International Business, PTT Global Chemical Public Company Limited Board member/Management in Non-Listed Company – The Stock Exchange of Thailand : 11 • Chairman, GC Ventures Company Limited • Chairman, GC Ventures America Corporation • Chairman, Vencorex Holding • Chairman, PTTGC Innovation America Corporation • Director and President, PTTGC International (Netherlands) B.V. • Director, NatureWorks LLC • Director and Managing Director, PTTGC International Private Limited • Director and Managing Director, PTTGC America Corporation • Director and President & CEO, PTTGC America LLC • Director and Managing Director, GC International Corporation • Director, Chairman of Risk and Audit Committee and Chairman of Executive Committee, Emery Oleochemicals UK Limited Work Experiences (5-years past experiences) 1 Oct 2019 - 1 Jan 2022 Executive Vice President - International Business Operations, PTT Global Chemical Public Company Limited 1 Oct 2019 - 1 Nov 2021 Director and ExecutiveCommittee, Emery Oleochemicals (M) Sdn. Bhd. 1 Oct 2019 - 1 Nov 2021 Director and ExecutiveCommittee, Emery Specialty Chemicals Sdn. Bhd. 21 Sep 2017 - 21 Nov 2019Director, Vice Chairman and Director to the Nomination and Remuneration Committee, Vinythai Public Company Limited 23 Jan 2018 - Chairman, GC Estate Company 14 Oct 2019 Limited 2 Jun 2017 - 9 Nov 2019 Director, GC Polyols Company Limited 18 Feb 2016 - 14 Oct 2019 Director and Director to the Risk Management Committee, Global Green Chemicals Public Company Limited 11 Apr 2016 - 30 Sep 2019 Director, PTT Phenol Company Limited 1 Jan 2017 - 30 Sep 2019 Executive Vice President - Corporate Strategy, PTT Global Chemical Public Company Limited 3 Sep 2017 - 31 Jan 2018 Chairman, PTT MCC Biochem Company Limited 25 Nov 2016 - 26 Jul 2017 Director, PTT Digital Solutions Company Limited 13 Jan 2011 - 14 Jul 2017 Director, Myriant Corporation 1 Feb 2016 - 28 Feb 2017 Director, PTTGC International Private Limited 1 Feb 2016 - 28 Feb 2017 Director, PTT Chemical International (Asia Pacific ROH) Company Limited Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None 362 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2021

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