Qualitech Public Company Limited announced that at its board meeting held on May 13, 2024, has passed the material resolution as follows: To change the duties of the Board of Directors are as follows: Approved to change the duties of Mr. Thatchaphong Thamputthipong from Vice Chairman of the Board of Directors /Independent director /Chairman of the Audit Committee /Member of the Nomination and Remuneration Committee /Chairman of the Risk Management Committee to be Independent director; To appoint Directors are as follows: Mr. Songpol Shanmatkit to be the Chairman of the Audit Committee; Mr. Phethai Wattanasiri to be the Member of the Nomination and Remuneration Committee; Mr. Phethai Wattanasiri to be the Chairman of the Risk Management Committee. The effective is May 13, 2024, onwards. The Audit Committee: Mr. Songpol Shanmatkit, Chairman of the Audit Committee /Independent director; Mr. Sitthi Ngamlumyoung Independent director /The Audit Committee; Mr. Phethai Wattanasiri Independent director /The Audit Committee.

The Nomination and Remuneration Committee: Mr. Sitthi Ngamlumyoung Chairman of the Nomination and Remuneration Committee; Mr. Phethai Wattanasiri, The Nomination and Remuneration Committee; Mr. Wichai Prapusakpitak, the Nomination and Remuneration Committee. The Risk Management Committee: Mr. Phethai Wattanasiri, Chairman of the Risk Management Committee; Dr. Wanmongkol Silaprasert, The Risk Management Committee; Mr. Wallop Luengseenak, The Risk Management Committee.