Form for Notification of the List and Scope of Operations of the Audit Committee

Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1) Date of shareholders/board resolution : 31-Jul-2026 The Determination/Change of which shall : 01-Aug-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 : MissAUMPORN TIYAPARUNCHAI Remaining term in office (year) : 1 Year No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.PUNN KASEMSUP Remaining term in office (year) : 2 Year No : 3 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mrs.PHANIDA RATTANACHAROENKUN Remaining term in office (year) : 3 Year No : 4 Audit Committee's Position : SECRETARY OF THE AUDIT COMMITTEE Full Name : MissTASINEE MALIWAN 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 Scope of duties and responsibilities of the audit committee to the board of director : 1.To review the Company's financial reporting to ensure that it is accurate and adequate, by coordinating with the external auditor and the management responsible for preparing the financial reports within the timeframes prescribed by law, the Stock Exchange of Thailand (SET), and the relevant government authorities. 2.To review the Company's internal control system (Internal Control) and internal audit system (Internal Audit), as well as its risk management, to ensure that they are appropriate and effective, by conducting such review jointly with the auditor and the internal auditor; to consider the independence of the internal audit unit; and to approve the appointment, transfer, or dismissal of the head of the internal audit unit or of any other unit responsible for internal audit. 3.To review and approve the Company's internal audit plan in accordance with generally accepted methods and standards, and to consider and acknowledge the reporting of the operational results of the Internal Audit Office. 4.To review the Company's compliance with the law governing securities and the securities exchange, the regulations of the SET, and other laws relating to the Company's business. 5.To consider, select, and nominate for appointment an independent person to act as the Company's auditor, and to propose the remuneration of such person to the Board of Directors; and to hold a meeting with the auditor, without the management present, at least once per year. 6.To consider connected transactions or transactions that may give rise to conflicts of interest, so as to ensure compliance with the law and the regulations of the SET, and to ensure that such transactions are reasonable and in the best interests of the Company. 7.To prepare the Audit Committee's report for disclosure in the Company's annual report. Such report must be signed by the Chairman of the Audit Committee and must contain the following information: 1.An opinion on the accuracy, completeness, and reliability of the Company's financial reports; 2.An opinion on the adequacy of the Company's internal control system; 3.An opinion on compliance with the law governing securities and the securities exchange, the regulations of the SET, or other laws relating to the Company's business; 4.An opinion on the suitability of the auditor; 5.An opinion on transactions that may give rise to conflicts of interest; 6.The number of Audit Committee meetings held and the attendance of each Audit Committee member; 7.An overall opinion or observation obtained by the Audit Committee in the performance of its duties under the charter; 8.Any other matter which, within the scope of the duties and responsibilities assigned by the Board of Directors, the Audit Committee considers that shareholders and general investors should be informed of. 8.To review the accuracy of the reference documents and the self-assessment form concerning the Company's anti-corruption measures, in the event that the Company participates in Thailand's Private Sector Collective Action Coalition Against Corruption (CAC). 9.To perform any other act as assigned by the Board of Directors with the approval of the Audit Committee. 10.In the performance of the Audit Committee's duties, should it discover or have any suspicion of the following transactions or acts which may materially affect the Company's financial position and operating results, the Audit Committee shall report the matter to the Board of Directors for rectification within such time as the Audit Committee deems appropriate: 1.A transaction giving rise to a conflict of interest; 2.Fraud, or any irregularity or material deficiency in the internal control system; 3.A violation of the law governing securities and the securities exchange, the regulations of the SET, or other laws relating to the Company's business. Should the Board of Directors or the management fail to carry out the rectification within the time proposed by the Audit Committee, any one of the Audit Committee members may report that there is a transaction or act that may affect the financial position and operating results to the Office of the Securities and Exchange Commission (SEC) or the SET. 11.In performing its duties under the first paragraph, the Audit Committee is directly responsible to the Board of Directors, and the Board of Directors remains responsible to third parties for the Company's operations. 12.To jointly provide opinions in the consideration of the appointment, removal, and performance evaluation of the officers of the internal audit unit. 13.To have the power to engage a consultant or an external person, in accordance with the Company's regulations, to provide an opinion or advice where necessary. 14.To review the Company's risk management system to ensure that it is appropriate and effective. 15.To report the results of the Audit Committee's performance to the Board of Directors at least four (4) times per year. 16.The Audit Committee shall evaluate its performance by way of self-assessment, and shall report the results of such evaluation, together with any problems or obstacles in the performance of its duties that may cause the objectives of establishing the Audit Committee not to be achieved, to the Board of Directors on an annual basis 17.To review and revise the Audit Committee Charter. 18.To investigate matters reported by the Company's auditor in the event that the auditor discovers any suspicious conduct on the part of a director, manager, or person responsible for the Company's operations that may constitute an offense under the Securities and Exchange Act, and to report the preliminary findings of the investigation to the Office of the Securities and Exchange Commission (SEC) and the auditor within thirty (30) days of the date of receipt of the notification from the auditor. ______________________________________________________________________ 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 _________________ ( MISSNAWAPORN Songsri ) Authorized Person Responsible for Information Disclosure 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.