Notification of Changes in the Company Directors

Change of director/Executive New election The date of board's resolution/submit : 12-Dec-2025 news Director Name : MR. Apivut Thongkam Position in company (1) : Independent Director Effective Date (1) : 12-Dec-2025 More detail : Mr. Apivut Thongkam currently serves as a Director of the Company. At the meeting of the Board of Directors held on 12 December 2025, the Board resolved to appoint Mr. Apivut Thongkam as an additional Independent Director as the director meets the qualifications in accordance with the definition of an Independent Director prescribed by the Stock Exchange of Thailand and STECON Group Public Company Limited." ______________________________________________________________________ The company hereby certifies that the information above is correct and complete. Signature _________________ ( Mr.PAKPOOM SRICHAMNI ) DIRECTOR Authorized person to disclose information Signature _________________ ( Mrs.JAIKAEW TAJAPIJAYA ) 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.