Resignation of CFO

Change in CFO / Chief Accounting Resign Position of CFO : Acting Vice President Accounting Department Title : Miss Name : Ponpun Surname : Rungroj Effective Date of Termination : 26-Aug-2026 ______________________________________________________________________ ______________________________________________________________________ Authorized Person to Disclose : Mr.Puttachat Rungkasiri Information Position : Director ______________________________________________________________________ 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.