GC One Report 2023 [EN]

Age: 44 Years Appointed: 1 January 2024 Miss Wanlapa Sophiskhuankhant Senior Vice President - International Finance and Strategy Acting Senior Vice President - Specialty Business Education/Training Master of Engineering (Chemical Engineering), King Mongkut’s University of Technology Thonburi Bachelor of Engineering (Chemical Engineering), King Mongkut’s Institute of Technology Ladkrabang Executive Development Program (EDP), Class 23, Thai Listed Company Association (TLCA) CFO Orientation, Strategic CFO and CFO Refresher Program, The Stock Exchange of Thailand CFO Certification Program, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King Director Certification Program (DCP), Class 270/2019, Thai Institute of Directors Association (IOD) Board Member/Management in Listed Company - The Stock Exchange of Thailand : 1 Senior Vice President - International Finance and Strategy, Acting Senior Vice President - Specialty Business PTT Global Chemical Public Company Limited Board Member/Management in Non-Listed Company - The Stock Exchange of Thailand : 2 Member of the Board of Directors and Executive Committee and Risk & Audit Committee, Emery Oleochemicals UK Limited Member of the Governance Board of NatureWorks LLC Position in Other Organizations/Institutions : 1 Member of Industrial Advisory Board, Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang Work Experiences (5-year Past Experiences) 24 Aug 2015 - 31 Dec 2023 Vice President, Corporate Finance and Accounting, Global Green Chemicals Public Company Limited 2020 - 2022 Director and Managing Director, Thai Fatty Alcohols Company Limited 2018 - 2020 Director, GGC Biochemical Company Limited 2018 - 2020 Director, Thai Eastern Top Seeds Oil Company Limited Shareholding : None Relation among Family with other Directors, Management, Major Shareholders of the Company or Subsidiaries : None 391 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023

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