According to the Board of Directors Meeting of T.K.S. Technologies Public Company Limited held on May 9, 2022 passed the resolution as follow: Acknowledge the resignation of the Chairman of the Board of Directors and Chairman of the Audit Committee: Mr. Suphan Mongkolsuthree resigned from the position of Chairman of the Board of Directors but still holding the position Company's Director, effective as of May 10, 2022; Mrs. Ladawan Charoen-rajapark resigned from the position of Chairman of the Audit Committee but still holding the position Company's Director, Independent Director, and Member of the Audit Committee, effective as of May 10, 2022; Appoint Mr. Apisak Tantivorawong, Independent Director, to be the Chairman of the Board of Directors instead of Mr. Suphan Mongkolsuthree, effective from May 10, 2022, onwards; Appoint Mr. Areepong Bhoocha-oom, Independent Director and Member of the Audit Committee to be the Chairman of the Audit Committee instead of Mrs. Ladawan Charoen-rajapark, effective from May 10, 2022, onwards; The company also appointed Mr. Pakpoom Phu-Udom, Mr.Cherdsakul Onmongkol, Mr. Pakpoom Kangsananon as members of Risk Management Committee.