PTT Global Chemical Public Company Limited announced that Mr. Chadil Chavanalikikorn has resigned from his positions as a Director and a Director to the Corporate Governance and Sustainability Committee, effective from May 12, 2024 onwards. Mr. Kongkrapan Intarajang has resigned from his position as a Director to the Risk Management Committee, effective from May 13, 2024 onwards. The Company's Board of Directors at the Special Meeting held on May 13, 2024 has passed the resolution to appoint Mr. Narongsak Jivakanun as a Director in replacement of Mr. Chadil Chavanalikikorn and a Director to the Risk Management Committee in replacement of Mr. Kongkrapan Intarajang by the recommendation of the Nomination and Remuneration Committee, as well as Chief Executive Officer and Secretary to the Board of Directors, effective from May 13, 2024 onwards.

The Company's Sub-Committee Members as of May 13, 2024 are as follows: The Audit Committee: Mr. Thanwa Laohasiriwong ? Chairman, Mr. Pakorn Nilprapunt ? Director, Lieutenant General Nimit Suwannarat ?

Director; The Nomination and Remuneration Committee: Mr. Pakorn Nilprapunt ? Chairman, Mr. Somkiat Prajamwong ? Director, Mr. Surachai Achalaboon ?

Director; The Corporate Governance and Sustainability Committee: Lieutenant General Nimit Suwannarat ? Chairman, Police Colonel Dusadee Aryawuit ? Director, Mr. Wim Rungwattanajinda ?

Director, Mr. Patchara Anuntasilpa ? Director; The Risk Management Committee: Mr. Grisada Boonrach ? Chairman, Mr. Noppadol Pinsupa ?

Director, Mr. Petai Mudtham ? Director, Mr. Cherdchai Boonchoochauy ? Director, Mr. Narongsak Jivakanun ?

Director.