GC_ONE REPORT 2021_ENG

Mrs. Rattiya Chandavasu Senior Vice President - Specialty Business and Acting Senior Vice President - Merger and Acquisition Age : 44 Appointed : February 1st, 2022 Education/Training • Master of Science (Petrochemical Technology), The Petroleum and Petrochemical College, Chulalongkorn University • Bachelor of Science (Chemical Technology), Chulalongkorn University • Leadership Development Program (LDP 2) 2019, PTT Leadership and Learning Institute • Leadership Management Program, 2015, PacRim Group • Management Development Program, 2013, Chulalongkorn University • Effective Communications and Human Relation, Dale Carnegie • Beyond Deal Making, Melanie Billing, Yun • Project Management, Kepner Tregoe • Performance Management and Coaching Skills, Achieve Global • Integrated Marketing Communication (IMC) • Professional Negotiation Skills, Achieve Global • Management Interpersonal Relationship, Achieve Global • Problem Solving and Decision Making, Kepner Tregoe Board member/Management in Listed Company – The Stock Exchange of Thailand : 1 • Senior Vice President - Specialty Business and Acting Senior Vice President – Merger and Acquisition, PTT Global Chemical Public Company Limited Board member/Management in Non-Listed Company – The Stock Exchange of Thailand : 1 • Managing Director, GC Ventures Company Limited Work Experiences (5-years past experiences) 1 Oct 2017 - 31 Jan 2022 Vice President, International Strategy and Business Development, PTT Global Chemical Public Company Limited Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : Spouse : Mr. Chaya Chandavasu Executive Vice President – Sustainability Mr. Panod Awaiwanond Senior Vice President - US Second Home Age : 53 Appointed : February 1st, 2022 Education/Training • Master of Business Administration (Finance), University of Akron, Ohio, U.S.A. • Bachelor of Arts (Economic), Southern Illinois University at Carbondale, Illinois, U.S.A. Board member/Management in Listed Company – The Stock Exchange of Thailand : 1 • Senior Vice President - US Second Home, PTT Global Chemical Public Company Limited Board member/Management in Non-Listed Company – The Stock Exchange of Thailand : None Work Experiences (5-years past experiences) 1 Dec 2019 - 30 Sep 2021Vice President Reporting to Senior Vice President - International Business Operations, PTT Global Chemical Public Company Limited 1 Jun 2017 - 30 Nov 2019 Vice President, US Business Development, PTT Global Chemical Public Company Limited Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None 374 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2021

RkJQdWJsaXNoZXIy ODg4NTI=