CHANGES IN EXECUTIVES FROM JANUARY 1, 2021 – FEBRUARY 1, 2022 1) Miss Pattaralada Sa-Ngasang was appointed Executive Vice President – Finance and Accounting on January 1, 2021. 2) Mr. Toasaporn Boonyapipat was appointed Senior Executive Vice President - Base and Intermediate Chemicals on January 1, 2021. 3) Mr. Vitaya Pinmuangngarm was transferred to the position of Senior Vice President – EO-Based Performance Business Unit on January 1, 2021. 4) Mr. Paranai Waitayasewee was appointed Senior Vice President – Procurement on February 16, 2021. 5) Mrs. Wilawan Songjaroen was transferred to the position of Senior Vice President – Center of Excellence on March 16, 2021. 6) Mr. Monton Rochvatanaboon was appointed Senior Vice President – Downstream Strategy and Business Development on April 1, 2021. 7) Mr. Piroj Samutthananont was transferred to the position of Senior Vice President – Downstream Strategy and Business Development on May 1, 2021. 8) Mr. Kevin Thomas Corby retired on October 1, 2021. 9) Mr. Kamel Ramdani was appointed Senior Vice President – Science and Innovation on December 1, 2021 and Acting Senior Vice President – Long Term Innovation and Corporate Venture Capital on February 1, 2022. 10) Mr. Patipan Sukorndhaman retired on December 31, 2021. 11) Mr. Wirat Boonbumrungchai retired on December 31, 2021. 12) Mr. Sakesiri Piyavej was appointed Senior Vice President – Quality, Safety, Occupational Health and Environment on January 1, 2022. 13) Mr. Varit Namwong was transferred to the position of Chief Operating Officer – Value Added Products and Acting Senior Vice President – Green Chemicals Business Unit on February 1, 2022. 14) Mr. Wiboon Chuchepchunkamon was appointed Chief Operating Officer – Center of Excellence on February 1, 2022. 15) Mr. Toasaporn Boonyapipat was transferred to the position of Chief Operating Officer – Base and Intermediate Chemicals on February 1, 2022. 16) Mr. Narongsak Jivakanun was appointed Chief Operating Officer – International Business on February 1, 2022. 17) Mr. Chaya Chandavasu was appointed Executive Vice President – Sustainability on February 1, 2022. 18) Mrs. Rattiya Chandavasu was appointed Senior Vice President – Specialty Business and Acting Senior Vice President – Merger and Acquisition on February 1, 2022. 19) Mr. Panod Awaiwanond was appointed Senior Vice President – US Second Home on February 1, 2022. 144 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2021
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