PTG Energy Public Company Limited held its board meeting on 21 April 2023, and resolved to appoint Ms. Yaowaluk Aramthaveethong to be the Company's director and Independent Director to replace Assoc. Prof. Dr. Wanchai Rattanawong, the resigned director, member of the Audit Committee, Chairman of the Corporate Governance Committee, member of the Nomination and Remuneration Committee and Independent Director, with the remaining term of office of Assoc. Prof. Dr. Wanchai Rattanawong since has been engaged in other businesses.

In this regard, such resignation and appointment shall be effective from 22 April 2023 onwards. The Meeting also approved the appointment of members of the sub-committees with the effective date from 22 April 2023 onwards, as per the following details: PTG Energy Public Company Limited: Chairman of the Executive Committee. Mr. Krairawee Sirikul as Member of the Corporate Governance Committee, Member of the Nomination and Remuneration Committee and a Member of the Risk Management Committee.

Ms. Yaowaluk Aramthaveethong as Member of the Audit Committee, Chairman of the Corporate Governance Committee and as Member of the Nomination and Remuneration Committee.