PTT Global Chemical Public Company Limited announced that the Company's Board of Directors at the meeting No. 4/2024 held on April 9, 2024 has passed the resolution to appoint sub-committee members as follows: The Audit Committee: Mr. Thanwa Laohasiriwong, Chairman (unchanged), Mr. Pakorn Nilprapunt, Director (newly appointed) and Lieutenant General Nimit Suwannarat Director (newly appointed). The Nomination and Remuneration Committee: Mr. Pakorn Nilprapunt, Chairman (newly appointed), Mr. Somkiat Prajamwong, Director (unchanged), and Mr. Surachai Achalaboon, Director (newly appointed).

The Corporate Governance and Sustainability Committee: Lieutenant General Nimit Suwannarat, Chairman (newly appointed), Police Colonel Dusadee Aryawuit, Director (newly appointed), Mr. Wim Rungwattanajind, Director (newly appointed), Mr. Patchara Anuntasilpa, Director (unchanged), and Mr. Chadil Chavanalikikorn, Director (unchanged). The Risk Management Committee: Mr. Grisada Boonrach, Chairman (unchanged), Mr. Noppadol Pinsupa, Director (newly appointed), Mr. Petai Mudtham, Director (unchanged), Mr. Cherdchai Boonchoochauy, Director (unchanged) and Mr. Kongkrapan Intarajang, Director (unchanged). The appointment of new sub-committee members is effective from April 9, 2024 onwards.