Notification of the Resolutions of the Board of Directors' Meeting No. 4/2026 regarding the Interim Dividend Payment, Resignation of a Director, and Appointment of a New Director

Dividend payment / Omitted dividend payment Subject : Cash dividend payment Date of Board resolution : 11-Aug-2026 Type of dividend payment : Cash dividend payment Record date for the right to receive : 25-Aug-2026 dividends Ex-dividend date : 24-Aug-2026 Payment for : Common shareholders Cash dividend payment (baht per share) : 0.27 Par value (baht) : 0.50 Payment date : 11-Sep-2026 Paid from : Operating period from 01-Jan-2026 to 30-Jun-2026 ______________________________________________________________________ Change of director/Executive Expired by rotation The date of board's resolution/submit : 11-Aug-2026 news Director Name : Miss YUVADEE PONG-ACHA Position in company (1) : DIRECTOR Effective Date (1) : 08-Mar-1994 Expire Date (1) : 11-Aug-2026 Position in company (2) : Nomination and Remuneration and Sustainable Corporate Governance Committee Expire Date (2) : 11-Aug-2026 Terminate Reason : Expired by rotation (term not expired) : Resigned from position /the company due to due to personal reasons ______________________________________________________________________ Change of director/Executive New election Director Name : MR. Ekachai Sukumvitaya Position in company (1) : Director Effective Date (1) : 11-Aug-2026 Position in company (2) : Nomination and Remuneration and Sustainable Corporate Governance Committee Effective Date (2) : 11-Aug-2026 ______________________________________________________________________ Change of director/Executive New election Director Name : Mr. TACHAPHOL KANJANAKUL Position in company (1) : Director Effective Date (1) : 16-Oct-2026 Position in company (2) : Independent Director Effective Date (2) : 16-Oct-2026 Position in company (3) : Audit Committee Effective Date (3) : 16-Oct-2026 More detail : Pending approval by the shareholders' meeting. ______________________________________________________________________ The company hereby certifies that the information above is correct and complete. Signature _________________ ( Mr.PIYA PONG-ACHA ) DIRECTOR Authorized person to disclose information Signature _________________ ( Mr.SUTTHIRAK TRAICHIRA-APORN ) DIRECTOR 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.