Appointment of Audit Committee Member

Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1) Date of shareholders/board resolution : 24-Jul-2026 The Determination/Change of which shall : 24-Jul-2026 take an effect as of The Audit Committee is consisted of No : 1 Audit Committee's Position : CHAIRMAN OF THE AUDIT COMMITTEE Full Name : Mr.WANCHAI UMPUNGART Remaining term in office (year) : 3 Year No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.TEERA NA WANGKANAI Remaining term in office (year) : 2 Year No : 3 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.LERT NITHERANONT Remaining term in office (year) : 3 Year No : 4 Audit Committee's Position : Audit Committee Full Name : Mom LuangCHANDCHUTHA CHANDRATAT Remaining term in office (year) : 3 Year 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. : 1-4 Scope of duties and responsibilities of the audit committee to the board of director : Review the Company's financial reporting process to ensure that financial statements are accurate, complete, and adequately disclosed by coordinating with the external auditor, management, and personnel responsible for preparing the Company's quarterly and annual financial reports. The Audit Committee may also recommend that the external auditor review or audit any transactions deemed significant or necessary during the audit of the Company's accounts. Review the adequacy and effectiveness of the Company's internal control system and internal audit system, including considering the independence of the internal audit function, and approve the appointment, transfer, or dismissal of the Head of Internal Audit or any other person responsible for the internal audit function. Review the Company's compliance with the Securities and Exchange Act, the regulations of the Stock Exchange of Thailand, and other laws relevant to the Company's business operations. Consider and recommend the appointment, reappointment, or removal of the Company's external auditor, and propose the auditor's remuneration, taking into consideration the auditor's independence, credibility, adequacy of resources, audit workload, and the experience of the personnel assigned to audit the Company's accounts. The Audit Committee shall also hold a meeting with the external auditor, without the presence of management, at least once a year. Review connected transactions or transactions that may give rise to conflicts of interest to ensure compliance with applicable laws and the regulations of the Stock Exchange of Thailand, and to ensure that such transactions are reasonable and in the best interests of the Company and its shareholders as a whole. Perform any other duties assigned by the Board of Directors, provided that such duties fall within the scope of the Audit Committee's responsibilities, including reviewing financial policies, reviewing management's compliance with the Company's Code of Business Conduct, and reviewing reports or significant documents that the Company is required by law to disclose to the public. Prepare the Audit Committee Report for inclusion in the Company's Annual Report. Such report shall be signed by the Chairman of the Audit Committee and shall contain, at a minimum, the following information: (a) An opinion on the accuracy, completeness, and reliability of the Company's financial statements. (b) An opinion on the adequacy and effectiveness of the internal control system. (c) An opinion on the Company's compliance with the Securities and Exchange Act, the regulations of the Stock Exchange of Thailand, and other applicable laws. (d) An opinion on the appropriateness of the external auditor. (e) An opinion on transactions that may involve conflicts of interest. (f) The number of Audit Committee meetings held and the attendance record of each Audit Committee member. (g) The overall opinion or observations arising from the performance of duties under this Charter. (h) Any other matters that the shareholders and investors should be informed of within the scope of the Audit Committee's duties and responsibilities. Report the performance of the Audit Committee to the Board of Directors on a regular basis, at least once every quarter. Report immediately to the Board of Directors if any event or circumstance is found or reasonably suspected that may have a material impact on the Company's financial position or operating results, such as fraud, significant deficiencies in the internal control system, or violations of applicable laws and regulations. ______________________________________________________________________ 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.VITTAWAT AKARAPONGPISAK ) 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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