Notification of Director and Executive Resignations, Appointment of a Replacement Director and Acting Chief Commercial Officer, and Changes to Authorized Directors and the Organizational Structure

Change of director/Executive New election The date of board's resolution/submit : 22-Sep-2026 news Director Name : Ms. Sasiwan Asawatangtrakuldee Position in company (1) : Director Effective Date (1) : 01-Oct-2026 ______________________________________________________________________ Change of director/Executive Expired by rotation Director Name : Mrs. PHATCHAREE CHATKAEWBORIBOON Position in company (1) : DIRECTOR Effective Date (1) : 17-Aug-2002 Expire Date (1) : 30-Sep-2026 Terminate Reason : Expired by rotation (term not expired) : Resigned from position /the company due to Due to increased personal commitments ______________________________________________________________________ Change of director/Executive Expired by rotation Director Name : Mr. SUPACHAT TANGNOI Position in company (1) : DIRECTOR Effective Date (1) : 17-Aug-2002 Expire Date (1) : 30-Sep-2026 Terminate Reason : Expired by rotation (term not expired) : Resigned from position /the company due to Due to increased personal commitments ______________________________________________________________________ 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.