Notification of the Resignation of a Director, Chief Executive Officer, and Nomination and Remuneration Committee Member, Appointment of a Director to Replace the Resigning Director, and Change of Authorized Directors to Act on Behalf of the Company

Change of director/Executive Expired by rotation The date of board's resolution/submit : 31-Jul-2026 news Director Name : Mr. THIRAPONG KHUMRUANGRIT Position in company (1) : DIRECTOR Effective Date (1) : 05-Aug-2022 Expire Date (1) : 31-Jul-2026 Position in company (2) : CHIEF EXECUTIVE OFFICER Effective Date (2) : 14-Aug-2024 Expire Date (2) : 31-Jul-2026 Position in company (3) : Nomination and Remuneration Committee Member Expire Date (3) : 31-Jul-2026 Terminate Reason : Expired by rotation (term not expired) : Resigned from position /the company due to Due to other commitments ______________________________________________________________________ Change of director/Executive New election Director Name : MR. Julpas Kruesopon Position in company (1) : Director Effective Date (1) : 01-Aug-2026 Position in company (2) : Chief Executive Officer Effective Date (2) : 01-Aug-2026 More detail : Resolved to amend the Company's authorized signatory rule as follows: Original text: "Mr. Thirapong Khumruangrit and Mr. Kijcharnpit Sukangwanwit, sign jointly with the company's seal affixed." New text: "Mr. Julpas Kruesopon and Mr. Kijcharnpit Sukangwanwit, sign jointly with the company's seal affixed." ______________________________________________________________________ The company hereby certifies that the information above is correct and complete. Signature _________________ ( MR.Kittipol Thanasit ) Company Secretary Authorized person to disclose information ______________________________________________________________________ This announcement was prepared and disseminated by listed company or issuer through the electronic system which is provided for the purpose of dissemination of the information and related documents of listed company or issuer to the Stock Exchange of Thailand only. The Stock Exchange of Thailand has no responsibility for the correctness and completeness of any statements, figures, reports or opinions contained in this announcement, and has no liability for any losses and damages in any cases. In case you have any inquiries or clarification regarding this announcement, please directly contact listed company or issuer who made this announcement. If you would like to see the full details of this information, please click view "full details" in attached file.