Changes in Executives from January 1, 2023 - March 1, 2024 1) Mr. Varit Namwong retired on December 31, 2023. 2) Mrs. Warawan Tippawanich retired on December 31, 2023. 3) Mr. Amorn Putiphrawan retired on December 31, 2023. 4) Mr. Paranai Waitayasewee retired on December 31, 2023. 5) Mr. Monton Rochvatanaboon retired on December 31, 2023. 6) Mrs. Wilawan Songjaroen retired on December 31, 2023. 7) Mr. Pirun Krimwongrut was appointed Chief Operating Officer - Center of Excellence on January 1, 2023. 8) Mr. Saroj Putthammawong was transferred to the position of Executive Vice President - Marketing and Sales - Industry Platforms under Value Added Products on January 1, 2023 and was appointed Chief Operating Officer - Value Added Products and Acting Senior Vice President - Marketing and Sales - Industry Platforms on January 1, 2024. 9) Mr. Anutin Chuaypen was appointed Executive Vice President - Organizational Effectiveness on January 1, 2023. 10) Mr. Siridech Kumvongdee was transferred to the position of Executive Vice President - Marketing, Commercial and Supply Chain under Base and Intermediate Chemicals on January 1, 2023. 11) Mr. Paisarn Sarapee was reappointed to the position of Senior Vice President - EO and Derivatives under Base and Intermediate Chemicals on January 1, 2023. 12) Mr. Panchoak Auetanapa was appointed Acting Senior Vice President - Utilities under Base and Intermediate Chemicals on January 1, 2023 and was appointed Senior Vice President - Utilities under Base and Intermediate Chemicals on January 1, 2024. 13) Mr. Kridsada Prasertsuko, Senior Vice President under Value Added Products, was seconded to Global Green Chemicals Plc. as Managing Director on January 1, 2023. He was appointed Executive Vice President under Value Added Products and seconded to Global Green Chemicals Plc. as Managing Director, effective January 1, 2024. 14) Mr. Kasem Leewongjaroen was appointed Acting Senior Vice President under Base and Intermediate Chemicals and was seconded to GC-M PTA Co., Ltd. and Thai PET Resin Co., Ltd. as President on January 1, 2023. He was appointed Senior Vice President under Base and Intermediate Chemicals and was seconded to GC-M PTA Co., Ltd. and Thai PET Resin Co., Ltd. as President, effective January 1, 2024. 15) Mr. Sombat Silsangwon was appointed Senior Vice President - Aromatics on March 1, 2023. 16) Mr. Prakart Buttamart was appointed Senior Vice President under Center of Excellence and was seconded to NPC Safety and Environmental Service Co., Ltd. as Managing Director, effective November 1, 2023. 17) Mrs. Chananchida Wiboonkanarak was appointed Executive Vice President - Corporate Strategy on January 1, 2024. 18) Mr. Kamel Ramdani was appointed Executive Vice President - Product Innovation and Acting Senior Vice President - Innovation Growth Platforms and CVC on January 1, 2024. 19) Mr. Theerapol Muenpakdee was reappointed Senior Vice President - Business Process Redesign Project on January 1, 2024. 20) Mr. Chatchawalit Dhammasaroj was appointed Senior Vice President - Internal Audit on January 1, 2024. 21) Mr. Rachean Chanthaweekul was reappointed to GC and appointed Senior Vice President - Procurement on January 1, 2024. 22) Mr. Krit Kumpabooth was appointed Senior Vice President - CAPEX Excellence on January 1, 2024. 23) Miss Kornkamol Korpaisarn was reappointed Senior Vice President - Strategy, Business Development and Commercial Excellence under Value Added Products on January 1, 2024. 24) Miss Wanlapa Sophiskhuankhant was reappointed to GC and appointed Senior Vice President - International Finance and Strategy on January 1, 2024 and Acting Senior Vice President - Specialty Business on February 16. 2024. 25) Miss Varanyanan Inthatathon was appointed Acting Senior Vice President under Base and Intermediate Chemicals and was seconded to Thai Tank Terminal Company Limited as Managing Director, effective December 1, 2023. 26) Mrs. Panida Chinayone was transferred to the position of Senior Vice President under Value Added Products and was seconded to GC Logistics Solutions Company Limited as Managing Director, effective January 1, 2024. 163 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2023
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