Changing of Chief Accountant

Change in CFO / Chief Accounting Resign ______________________________________________________________________ Position of Chief Accountant : Director - General Accounting Title : Mrs. Name : Weerawan Surname : Boonsom Effective Date of Termination : 13-Aug-2026 ______________________________________________________________________ Appoint ______________________________________________________________________ Position of Chief Accountant : Director - General Accounting Title : Mr. Name : Nathapol Surname : Sengcharoen Effective Date of Appointment : 14-Aug-2026 ______________________________________________________________________ Authorized Person to Disclose : Mr. Anawat Leelawatwatana Information Position : Senior Vice President - Finance and Accounting ______________________________________________________________________ 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.