Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1) Date of shareholders/board resolution : 11-Nov-2026 The Audit Committee is consisted of No : 1 Audit Committee's Position : CHAIRMAN OF THE AUDIT COMMITTEE Full Name : MissKANYAPAN BURANAROM No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.BANTOON MANPAKDEE No : 3 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.BORWORNSIT SORNSILP Scope of duties and responsibilities of the audit committee to the board of director : Scope of Authority, Duties and Responsibilities The Audit Committee shall have the scope of authority, duties and responsibilities in respect of the Company and its subsidiaries, and shall report to the Board of Directors on the following matters, as well as any other matters related to and necessary for corporate governance, internal control and risk management of the Company. The scope of duties and responsibilities shall not be limited to the matters specified in Clauses 1 to 10 1 Review of Financial Reporting Review and ensure that the Company prepares and presents accurate, complete and adequate quarterly and annual financial reports in accordance with the applicable financial reporting standards, in coordination with the external auditor and the management responsible for preparing the financial reports. Review significant issues and the exercise of judgment in the preparation of financial statements, including Key Audit Matters and the adequacy of disclosures. Review the consistency of information contained in the financial reports with other relevant information, such as the Management Discussion and Analysis (MD&A) and the Annual Report, to ensure that such information is consistent with the Company's actual financial position and operating results. 2 Internal Control and Internal Audit Review and ensure that the Company has appropriate and effective internal control and internal audit systems in accordance with current international frameworks and standards, such as the COSO Framework. Assess and review the adequacy of the internal control system in conjunction with the Board of Directors at least once a year, and conduct additional reviews whenever events occur that may have a material impact on the Company's operations. Oversee the independence and objectivity of the Internal Audit Department by ensuring that the Internal Audit Department reports directly to the Audit Committee, and establish mechanisms to prevent management from using its position or authority to interfere with the work of internal auditors or the internal control system. Approve the Internal Audit Charter before submitting it to the Board of Directors for approval; approve the annual internal audit plan and staffing levels of the Internal Audit Department; and approve the appointment, transfer, removal and performance evaluation of the Head of the Internal Audit Department. In this regard, participate in the consideration of the audit plan, taking into account the types and levels of risks, as well as the key processes of the Company and its subsidiaries. Promote and monitor the Internal Audit Department's compliance with the Global Internal Audit Standards or other international standards that may supersede them, and ensure that the quality of internal audit work is regularly assessed, including an external quality assessment review conducted by an independent external assessor at least once every five years. 3 Regulatory Compliance Review and ensure that the Company complies with the Securities and Exchange Act, the regulations and requirements of the Stock Exchange of Thailand, and other laws relevant to the Company's business, including applicable laws and licenses. 4 Review of Risk Management Review the adequacy and effectiveness of the Company's risk management processes and discuss with management the Company's significant risks and the measures implemented by management to monitor and control such risks, in coordination with the Risk Management Committee and while avoiding duplication of roles and responsibilities. The responsibility for identifying, assessing and managing risks shall remain with management and the Board of Directors. Monitor whether management gives due consideration to emerging risks. 5 Review of Internal Controls over Information Technology, Cybersecurity and Sustainability (ESG) Information Review the adequacy of governance and internal controls relating to information technology, cybersecurity, including operational technology (OT) systems and controls associated with operational processes, and personal data protection, to ensure compliance with relevant laws and standards. This shall also include risks arising from emerging technologies, such as artificial intelligence (AI) and automation systems, by regularly receiving reports from the persons responsible for information technology. In this regard, the formulation of technology strategies and plans shall remain the responsibility of management and the Board of Directors. Review the reliability of the processes for collecting and disclosing sustainability information and material non-financial information in the Annual Registration Statement/Annual Report (Form 56-1 One Report), or any other report that may supersede it, including the internal controls relating to such information. This shall be carried out in coordination with the Sustainability Committee or Working Group (if any), and consideration shall be given to obtaining assurance or review of such information by an independent assurance provider, as appropriate. In this regard, the formulation of sustainability strategies and targets shall remain the responsibility of the Board of Directors and management. 6 Anti-Corruption and Whistleblowing Review the effectiveness of the Company's anti-corruption policies and measures, as well as compliance with the guidelines of the Thai Private Sector Collective Action Against Corruption (CAC) or other relevant international practices. Oversee the establishment and maintenance of appropriate channels for receiving complaints and whistleblowing reports, ensure that mechanisms are in place to protect whistleblowers, and review the handling and follow-up of significant complaints. 7 Related-Party Transactions, Material Acquisitions or Disposals of Assets and Conflicts of Interest Consider related-party transactions or transactions that may involve conflicts of interest to ensure compliance with applicable laws and the requirements of the Stock Exchange of Thailand, and to ensure that such transactions are reasonable and in the best interests of the Company. Participate in the consideration of and provide opinions on material acquisitions or disposals of assets (Material Transactions) to ensure compliance with applicable laws and relevant requirements. Following approval of such transactions, monitor their progress in coordination with management on a regular basis to ensure that the transactions are carried out in accordance with the approved objectives and conditions. Establish systems or processes requiring management to continuously report related-party transactions and acquisitions or disposals of assets that fall within management's approval authority, together with an analysis of their reasonableness. Consider whether multiple transactions that are materially related to one another or form part of the same project may constitute an attempt to circumvent the applicable transaction criteria. Monitor the utilization of proceeds obtained from fundraising through the issuance and offering of securities to ensure that such proceeds are used in accordance with the disclosed objectives. This shall include overseeing the establishment of internal control systems to ensure that disbursements are transparent and auditable, and that reports on the utilization of proceeds are appropriately made to shareholders within the timeframes prescribed by applicable regulations. 8 External Auditor Consider the selection and appointment of an independent person to serve as the Company's external auditor, propose the auditor's remuneration, and consider the removal of the external auditor. Participate in the consideration of and provide opinions from the initial stage of the auditor selection process, in coordination with management, to establish clear and appropriate terms of engagement, taking into account the auditor's independence, competence and length of service. Evaluate the independence, performance and quality of the external auditor, including considering the appropriateness of non-audit services provided by the external auditor. 9 Preparation of the Audit Committee's Report Prepare the Audit Committee's Report for disclosure in the Company's Annual Registration Statement/Annual Report (Form 56-1 One Report), or any other reporting form prescribed by the Stock Exchange of Thailand or the Securities and Exchange Commission to replace it. Such report shall be signed by the Chairman of the Audit Committee and shall contain at least the following information: Opinions on the accuracy, completeness and reliability of the Company's financial reports. Opinions on the adequacy of the Company's internal control system. Opinions on the Company's compliance with the Securities and Exchange Act, the requirements of the Stock Exchange of Thailand, and other laws relevant to the Company's business. Opinions on the appropriateness of the external auditor. Opinions on transactions that may involve conflicts of interest. The number of Audit Committee meetings held and the attendance of each Audit Committee member. Overall opinions or observations arising from the Audit Committee's performance of its duties in accordance with this Charter. Opinions on the results of the Audit Committee's performance evaluation, both on a collective and individual basis. Any other matters that the Audit Committee considers should be brought to the attention of shareholders and the general public within the scope of its duties and responsibilities assigned by the Board of Directors. 10 Other Duties Perform any other duties as assigned by the Board of Directors with the consent of the Audit Committee. In performing such duties, the Audit Committee shall be directly accountable to the Board of Directors, while the Board of Directors shall remain responsible for the Company's operations to external parties. In the event of any changes to the duties of the Audit Committee, the Company shall notify the Stock Exchange of Thailand of the resolution approving such changes, together with the revised list of Audit Committee members and the revised scope of duties and responsibilities, in the form prescribed by the Stock Exchange of Thailand, and submit such information to the Stock Exchange of Thailand within the period prescribed by the Stock Exchange of Thailand from the date of such changes. ______________________________________________________________________ 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.SUPAWAT KHUNWORAVINIJ ) 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. In case you have any inquiries or clarification regarding this announcement, please directly contact listed company or issuer who made this announcement. 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