Appointment of the Audit Committee and Submission of Form F24-1 (Notification of the Names of Members and Scope of Duties of the Audit Committee)

Change of director/Executive New election The date of board's resolution/submit : 10-Aug-2026 news Director Name : Mr. UTIS BHONGCHIRAWATTANA Position in company (1) : Audit Committee Effective Date (1) : 10-Aug-2026 ______________________________________________________________________ More detail : To replace the former member who resigned ______________________________________________________________________ Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1) Date of shareholders/board resolution : 10-Aug-2026 The Audit Committee is consisted of No : 1 Audit Committee's Position : CHAIRMAN OF THE AUDIT COMMITTEE Full Name : Mr.ONG-ART CHANPRASITCHAI No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : MissTEERAPAN UNGPHAKORN No : 3 Audit Committee's Position : Audit Committee Full Name : Mr.UTIS BHONGCHIRAWATTANA No : 4 Audit Committee's Position : SECRETARY OF THE AUDIT COMMITTEE Full Name : MissPATCHARA ARRUKSA Number of copies of the certificate and : 1 biography of the audit committee (persons) The order of audit committee number(s) that has/have adequate expertise and experience to review creditability of the financial reports. : 1-3 Scope of duties and responsibilities of the audit committee to the board of director : 1. Review the financial statements to ensure their accuracy, reliability, and adequate disclosure by coordinating with the external auditor and the management responsible for preparing the quarterly and annual financial statements. The Audit Committee reviews the financial statements of the Company and its subsidiaries to ensure that they are prepared accurately and that all material information is adequately disclosed. 2. Review the adequacy and effectiveness of the internal control and internal audit systems of the Company and its subsidiaries, and consider the independence of the internal audit function. The Audit Committee also approves the appointment, transfer, and dismissal of the Head of Internal Audit or any other person responsible for the internal audit function. In addition, the Committee may recommend that any transaction or matter deemed necessary or material be reviewed or audited. The Committee also submits recommendations to the Board of Directors regarding significant and necessary improvements to the internal control system, based on its review conducted in conjunction with the external auditor. 3. Review the operations of the Company and its subsidiaries to ensure compliance with applicable laws, regulations, rules, operating procedures, the securities and exchange laws, the regulations of the Stock Exchange of Thailand (SET), and the Company's Articles of Association and other relevant corporate regulations. 4. Review the adequacy and effectiveness of the internal audit system of the Company and its subsidiaries, including the adequacy of the internal audit function's budget, personnel, and independence. 5. Review the performance reports of the internal audit function and approve the annual internal audit plan. 6. Provide recommendations to the Board of Directors regarding the appointment, transfer, promotion, and performance evaluation of the Head of Internal Audit. 7. Review and provide opinions on connected transactions and transactions that may give rise to conflicts of interest involving the Company and its subsidiaries, in accordance with applicable laws, relevant regulations, and the requirements of the Stock Exchange of Thailand (SET), to ensure that such transactions are reasonable and are undertaken in the best interests of the Company. 8. Review the adequacy of the Company's and its subsidiaries' disclosure in relation to connected transactions or transactions that may give rise to conflicts of interest, to ensure that such disclosures are accurate, complete, and in compliance with the requirements of the Stock Exchange of Thailand (SET) and other applicable regulations. 9. Consider and nominate an independent person for appointment as the Company's external auditor, and recommend the auditor's remuneration to the Board of Directors for approval. The Audit Committee shall also meet with the external auditor, without the presence of management, at least once a year. In addition, the Committee shall review and approve the provision of Non-Assurance Services (NAS) by the external auditor to ensure that the scope of such services does not impair the auditor's independence. 10. Review the adequacy and effectiveness of the risk management system of the Company and its subsidiaries. 11. Report the Audit Committee's performance to the Board of Directors at least four times a year. 12. Conduct a performance evaluation of the Audit Committee in relation to its internal audit oversight responsibilities at least once a year, and report the evaluation results to the Board of Directors. 13. Prepare the Audit Committee Report for inclusion in the Company's Annual Report. The report shall be signed by the Chairman of the Audit Committee and shall contain, at a minimum, the following information: 13.1 The Audit Committee's opinion on the accuracy, completeness, and reliability of the financial statements of the Company and its subsidiaries. 13.2 The Audit Committee's opinion on the adequacy of the internal control system of the Company and its subsidiaries. 13.3 The Audit Committee's opinion on the Company's and its subsidiaries' compliance with the securities and exchange laws, the regulations of the Stock Exchange of Thailand (SET), and other laws relevant to the Company's business. 13.4 The Audit Committee's opinion on the suitability of the external auditor. 13.5 The Audit Committee's opinion on connected transactions or transactions that may give rise to conflicts of interest. 13.6 The number of Audit Committee meetings held during the year and the attendance record of each Audit Committee member. 13.7 The Audit Committee's overall opinions or observations obtained from the performance of its duties in accordance with the Audit Committee Charter. 13.8 Any other information that the Audit Committee considers should be disclosed to shareholders and general investors, within the scope of its duties and responsibilities as assigned by the Board of Directors. 14. Participate in providing recommendations regarding the appointment, removal, and performance evaluation of personnel responsible for the internal audit function. 15. In performing its duties within the scope of its responsibilities, the Audit Committee shall have the authority to invite the management, executives, employees of the Company and its subsidiaries, or other relevant persons to provide information or opinions, attend meetings, or submit any documents deemed relevant or necessary. 16. The Audit Committee shall conduct an annual self-assessment of its performance as well as an evaluation of its overall performance. ______________________________________________________________________ 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.PONGPOT LERDRUNGPORN ) DIRECTOR Authorized to sign on behalf of the company Signature _________________ ( Mr.ATT LERDRUNGPORN ) DIRECTOR 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. 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