Master Ad Public Company Limited at its board meeting held on august 10, 2021 resolved to approve the resignation of Mr. Siew Ko Chuen from the position of Director, Vice-Chairman and Corporate Governance Committee with the effective as from August 10, 2021 and approved appointment of Mr. Warawut Natpradith as the new Director replaced Mr. Siew Ko Chuen with the effective as from August 10, 2021.