STC Concrete Product Public Company Limited at its board meeting held on 9 August 2023, resolved to acknowledge the resignation of Mr. Narongrit Tavornvisitporn, the President, an Independent Director and a member of the Audit Committee due to the personal reasons which may result in being unable to fully perform duties, and the resignation will be effective on 10 August 2023 onwards, and resolved to appoint Mr. Potchara Puwatananusorn as an Independent Director and a new member of the Audit Committee in place of such resigned member of the Audit Committee. Therefore, after the adjustment in the Audit Committee, the Member of the Audit Committees shall be as: Mr. Somchai Lerdsakviman: The Chairman of the Audit Committee; Mr. Natthapong Limkhunpong: Member of the Audit Committee and Mr. Potchara Puwatananusorn: Member of the Audit Committee. The aforesaid appointment shall be effective from 10 August 2023 onwards, and the scope of duties and responsibilities shall remain unchanged.