Resignation of the Chairman of the Board and Appointment of the New Chairman and Vice Chairperson of the Board of Directors

Change of director/Executive Expired by rotation The date of board's resolution/submit : 28-Sep-2026 news Director Name : Mr. BANTERNG TANTIVIT Position in company (1) : CHAIRMAN Effective Date (1) : 30-Sep-1994 Expire Date (1) : 01-Oct-2026 Position in company (2) : DIRETOR Expire Date (2) : 01-Oct-2026 Terminate Reason : Expired by rotation (term not expired) : Resigned from position /the company due to health consideration More detail : Appointed to the position of Advisor to the Board of Directors pursuant to the resolution passed at the Board of Director's Meeting No. 10/2026 on 28 September 2026, with the appointment taking effect from 1 October 2026. ______________________________________________________________________ Change of director/Executive Expired by rotation Director Name : Mr. SUPHADEJ POONPIPAT Position in company (1) : VICE CHAIRMAN Effective Date (1) : 26-Apr-2007 Expire Date (1) : 01-Oct-2026 Terminate Reason : Expired by rotation (term not expired) : Resigned from position /the company due to his appointment as Chairman of the Board of Directors ______________________________________________________________________ Change of director/Executive New election Director Name : Mr. SUPHADEJ POONPIPAT Position in company (1) : CHAIRMAN Effective Date (1) : 01-Oct-2026 ______________________________________________________________________ Change of director/Executive New election Director Name : Miss SUVARNAPHA SUVARNAPRATHIP Position in company (1) : VICE CHAIRPERSON Effective Date (1) : 01-Oct-2026 ______________________________________________________________________ The company hereby certifies that the information above is correct and complete. Signature _________________ ( Ms.Manapan Plodpai ) Corporate 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.