T.K.S. Technologies Public Company Limited at its board meeting held on May 11, 2023, Mr. Montri Mahaplerkpong submitted a letter of resignation from the position of Company Director and Chairman of the Risk Management Committee, effective from May 11, 2023 onwards and approved the change of sub-committees, effective from May 12, 2023, with the following details: Audit Committee, Consists of the following list: Mr. Prasert Bunsumpun, Chairman of the Audit Committee; Mrs. Ladawan Charoen-rajapark, Member of the Audit Committee and Mr.Prapas Kong-Ied, Member of the Audit Committee. The Nomination and Remuneration Committee, Consists of the following list: Mrs. Ladawan Charoen-rajapark, Chairman of the Nomination and Remuneration Committee; Mr. Prapas Kong-Ied, Member of the Nomination and Remuneration Committee and Ms. Sutida Mongkolsuthree, Member of the A Nomination and Remuneration Committee. The Risk Management Committee, Consists of the following list: Mr. Areepong Bhoocha-oom, Chairman of the Risk Management Committee; Mr. Jutiphan Mongkolsuthree, Member of the Risk Management Committee; Mr. Parkpoom Pooudom, Member of the Risk Management Committee; Mr. Pakpoom Kangsananont, Member of the Risk Management Committee and Mr. Cherdsakul Onmongkol, Member of the Risk Management Committee.