Notification of the Resignations of Directors and Members of Sub-Committees, and Appointments of Directors, Members of Sub-Committees and Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1)

Change of director/Executive Expired by rotation The date of board's resolution/submit : 21-Aug-2026 news Director Name : Mr. WITHOON MANONAIKUL Position in company (1) : DIRECTOR Effective Date (1) : 11-Apr-2012 Expire Date (1) : 21-Aug-2026 Terminate Reason : Expired by rotation (term not expired) : Resigned from position /the company due to Personal Matters ______________________________________________________________________ Change of director/Executive Expired by rotation Director Name : Mr. SOMSAK KHUNCHORNYAKONG Position in company (1) : DIRECTOR Effective Date (1) : 01-Apr-2011 Expire Date (1) : 21-Aug-2026 Position in company (2) : Member of the Investment Committee Expire Date (2) : 21-Aug-2026 Terminate Reason : Expired by rotation (term not expired) : Resigned from position /the company due to Personal Matters ______________________________________________________________________ Change of director/Executive Expired by rotation Director Name : Mr. DUSIT KRUANGAM Position in company (1) : INDEPENDENT DIRECTOR Effective Date (1) : 18-Apr-2025 Expire Date (1) : 21-Aug-2026 Position in company (2) : AUDIT COMMITTEE Effective Date (2) : 13-Nov-2025 Expire Date (2) : 21-Aug-2026 Terminate Reason : Expired by rotation (term not expired) : Resigned from position /the company due to The increase in his personal commitments, which affect his capability to fully perform his duties. ______________________________________________________________________ Change of director/Executive New election Director Name : Mr. Porntat Amatavivadhana Position in company (1) : Independent Director Effective Date (1) : 21-Aug-2026 Position in company (2) : Audit Committee Effective Date (2) : 21-Aug-2026 ______________________________________________________________________ Change of director/Executive New election Director Name : Mr. Kurkye WONG Position in company (1) : Director Effective Date (1) : 21-Aug-2026 ______________________________________________________________________ Change of director/Executive New election Director Name : Mr. Arnold Tin Chee IP Position in company (1) : Independent Director Effective Date (1) : 21-Aug-2026 Position in company (2) : Audit Committee Effective Date (2) : 21-Aug-2026 ______________________________________________________________________ Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1) Date of shareholders/board resolution : 21-Aug-2026 The Audit Committee is consisted of No : 1 Audit Committee's Position : CHAIRMAN OF THE AUDIT COMMITTEE Full Name : Mr.WANCHAI LAWATANATRAKUL Remaining term in office (year) : 8 Month No : 2 Audit Committee's Position : Audit Committee Full Name : Mr.Porntat Amatavivadhana Remaining term in office (year) : 2 Year 8 Month No : 3 Audit Committee's Position : Audit Committee Full Name : Mr.Arnold Tin Chee IP Remaining term in office (year) : 8 Month The order of audit committee number(s) that has/have adequate expertise and experience to review creditability of the financial reports. : 1,2,3 Scope of duties and responsibilities of the audit committee to the board of director : Scope of duties and responsibilities of the Audit Committee to the Board of Director 1. To review and ensure that the Company has correct and sufficient financial report. 2. To review and ensure that the Company has appropriate and effective internal control and internal audit and to consider the independent of internal audit sector as well as approve on the appoint, transfer, lay off the head of internal audit or other divisions that are responsible for internal audit. 3. To review and ensure that the Company practices according to Securities and Exchange of Thailand laws, regulations of Stock Exchange of Thailand and other laws related to the Company's business. 4. Consider, select and propose to appoint independent individual to stand in the Company's auditor and propose remuneration of the said person, including attend a meeting at least once a year with the auditor and without the presence of the management team. 5. Review related transactions or transaction that may have conflict of interest, to be inline with the laws and regulations of Stock Exchange of Thailand. This is to ensure that the aforementioned transactions are reasonable and is for the Company's highest interest. 6. Prepare audit committee reports by disclose in the Company's annual report. The aforementioned reports must be signed by the Chairman of the Audit Committee and must at least consists of the following information. 6.1. Opinion regarding correctness, completeness and reliable of the Company's financial reports. 6.2. Opinion regarding adequacy of the Company's internal control. 6.3. Opinion regarding practices in accordance to the Securities and Exchange of Thailand laws, Stock Exchange of Thailand Regulations or laws that are related to the Company's business. 6.4. Opinion regarding the appropriateness of auditors. 6.5. Opinion regarding transactions that may have conflict of interest. 6.6. The frequency of the audit committee meetings and the attendance of each audit committee members. 6.7. Overall opinion or notable points that the audit committee received from performing their duties in accordance to the charter. 6.8. Other matters that shareholders and general investors should acknowledge under the scope of duties and responsibilities that were assigned by the Board of Director. 7. Act on issues that were assigned by the Board of Director upon approval of the Audit Committee ______________________________________________________________________ The company hereby certifies that 1. The qualifications of the aforementioned members meet all the requirements of the Stock Exchange of Thailand; and 2. The scope of duties and responsibilities of the audit committee as stated above meet all the requirements of the Stock Exchange of Thailand Signature _________________ ( Mr.Allen Ya-Lun WANG ) Directors authorized to sign on behalf of and bind the Company Authorized to sign on behalf of the company Signature _________________ ( Mr.Kriengsak Jaruthavee ) Directors authorized to sign on behalf of and bind the Company Authorized to sign on behalf of the company ______________________________________________________________________ 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.