The board of directors of PTT Global Chemical Public Company Limited at the meeting No. 14/2022 held on December 19, 2022 has passed the resolution of the appointment of Directors who resigned from their positions and Sub-Committee Members by the recommendation of the Nomination and Remuneration Committee as follows: Mr. Cherdchai Boonchoochauy to be a Director in replacement of Mr. Noppadol Pinsupa and Director to the Risk Management Committee in replacement of Mom Luang Peekthong Thongyai. Mr. Chadil Chavanalikikorn to be a Director in replacement of Mom Luang Peekthong Thongyai and Director to the Corporate Governance and Sustainability Committee in replacement of Mr. Noppadol Pinsupa.

The appointment of these new directors is effective from December 19, 2022. Lieutenant General Nimit Suwannarat to be an Independent Director and Director to the Nomination and Remuneration Committee in replacement of Lieutenant General Nithi Chungcharoen. Mr. Pakorn Nilprapunt to be the Chairman of the Nomination and Remuneration Committee.

The appointment of these new directors are effective from January 1, 2023 The Company's Board of Directors as of December 19, 2022 are as follows: Mr. Piyasvasti Amranand: Chairman and Chairman of the Independent Director; Mr. Apisak Tantivorawong: Independent Director and Chairman of the Audit Committee; Mr. Grisada Boonrach: Independent Director and Chairman of the Risk Management Committee; Mr. Somkit Lertpaithoon: Independent Director and Chairman of the Corporate Governance and Sustainability Committee; Lieutenant General Nithi Chungcharoen: Independent Director and Chairman of the Nomination & Remuneration Committee; Mr. Pakorn Nilprapunt: Independent Director and Director to the Audit Committee and Director to the Nomination & Remuneration Committee; Mr. Somkiat Prajamwong: Independent Director and Director to the Nomination & Remuneration Committee; Mrs. Watanan Petersik: Independent Director and Director to the Corporate Governance and Sustainability Committee and Director to the Audit Committee; Mom Luang Chayotid Kridakon: Independent Director and Director to the Corporate Governance and Sustainability Committee; Mrs. Pantip Sripimol: Director and Director to the Corporate Governance and Sustainability Committee; Mr. Chadil Chavanalikikorn: Director and Director to the Corporate Governance and Sustainability Committee; Mr. Sarawut Kaewtathip: Director and Director to the Risk Management Committee; Mr. Cherdchai Boonchoochauy: Director and Director to the Risk Management Committee; Mr. Kongkrapan Intarajang: Director, Secretary to the Board of Directors, Director to the Risk Management Committee and Chief Executive Officer and President.