Mr. Pirun Krimwongrut Executive Vice President - Organizational Effectiveness Age : 53 Appointed : October 1st, 2020 Education/Training • Master of Engineering Science (Electrical Engineering), University of New South Wales, Australia • Bachelor of Engineering (Electrical Engineering), (Second-Class Honors), Khon Kaen University • Leadership Development Program (LDP 1), PTT Leadership and Learning Institute • 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 257/2018, Thai Institute of Directors Association (IOD) Board member/Management in Listed Company – The Stock Exchange of Thailand : 1 • Executive Vice President - Organizational Effectiveness, PTT Global Chemical Public Company Limited Board member/Management in Non-Listed Company – The Stock Exchange of Thailand : 4 • Director, GC Estate Company Limited • Director, PTT Digital Solutions Company Limited • Director, Sport Services Alliance Company Limited • Director, PTT Asahi Chemical Company Limited Work Experiences (5-years past experiences) 1 Oct 2019 - 30 Sep 2020 Acting Executive Vice President - Organizational Effectiveness, PTT Global Chemical Public Company Limited Nov 2019 - Nov 2020 Director, GC Styrenics Company Limited Mar 2018 - Dec 2019 Director, Thai Tank Terminal Limited Mar 2018 - Oct 2019 Director, Eastern Fluid Transport Company Limited Apr 2018 - Sep 2019 Senior Vice President - Group Performance Center - Utilities, PTT Global Chemical Public Company Limited Sep 2017 - Mar 2018 Acting Senior Vice President- Group Performance Center - Utilities, PTT Global Chemical Public Company Limited 2015 - 2017 Vice President - GPC Strategy & Business Development, Upstream Petrochemical Business, PTT Global Chemical Public Company Limited Shareholding : 27,033 Shares (0.0006%) As of 31 December, 2021 Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None Mr. Pornsak Mongkoltrirat Executive Vice President - Polymers Business Unit Age : 55 Appointed : April 1st, 2020 Education/Training • Master of Business Administration (Management), Kasetsart University • Bachelor of Engineering (Mechanical Engineering), Kasetsart University • 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 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 Business Unit, PTT Global Chemical Public Company Limited Board member/Management in Non-Listed Company – The Stock Exchange of Thailand : 11 • Chairman, GC Styrenics Company Limited • Chairman, GC Logistics Solutions Company Limited • Chairman, ENVICCO Limited • Chairman, PL Global Transport Company Limited • Director, Solution Creation Company Limited • Director, GC Marketing Solutions Company Limited • Director, GC Maintenance and Engineering Company Limited • Director, Dynachisso Thai Co. Ltd • Director, Revolve Group Limited • Executive Committee Member, HMC Polymers Company Limited • Executive Committee Member, PTT Asahi Chemical Company Limited Work Experiences (5-years past experiences) 1 Oct 2019 - 30 Mar 2020 Acting Executive Vice President - 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 1 Jan 2017 - Sep 2019 Senior Vice President EO-Based Performance Business Unit, PTT Global Chemical Public Company Limited Jul 2017 - Dec 2017 Acting Senior Vice President EO-Based Performance Business Unit, PTT Global Chemical Public Company Limited Nov 2014 - Jun 2017 Acting Vice President - Strategy and Business Development, Polymers Business Unit, PTT Global Chemical Public Company Limited Feb 2013 - Jun 2017 Vice President - LDPE Plant 1, Polymers Business Unit, PTT Global Chemical Public Company Limited Shareholding : 9,558 Shares ; Spouse 12,958 Shares (0.000499%) As of 31 December, 2021 Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None 365 BUSINESS OPERATION AND PERFORMANCE CORPORATE GOVERNANCE FINANCIAL REPORTS AND FINANCIAL STATEMENTS APPENDIX
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