Form to Report on Names of Members and Scope of Work of the Audit Committee (F 24-1)

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 scope of duties and responsibilities of The Audit Committee Determination/Change in the scope of duties and responsibilities of the Audit Committee with the following details : The Board of Directors of the Company has resolved to approve the changes to the scope of duties and responsibilities of the Audit Committee, with key details as follows: the Chairman of the Audit Committee must be an independent director; the Audit Committee's report disclosed in the Company's annual report shall be signed by the Chairman of the Audit Committee; the composition and qualifications of the Audit Committee shall be in accordance with the prescribed criteria; and the Audit Committee shall have comprehensive authority to access information. In this regard, the composition, qualifications, and scope of work of the Audit Committee shall be in accordance with the criteria of the Securities and Exchange Commission (SEC). The Determination/Change of which shall : 11-Nov-2026 take an effect as of The Audit Committee is consisted of No : 1 Audit Committee's Position : CHAIRMAN OF AUDIT COMMITTEE Full Name : Mr.AKARAT NA RANONG Remaining term in office (year) : 1 Year 5 Month No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.KOMSAN JUMROONPONG Remaining term in office (year) : 6 Month No : 3 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.KRANPHOL ASAWASUWAN Remaining term in office (year) : 6 Month 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 : 4.1 Financial Reporting To review that the Company prepares and discloses its financial reports accurately, reliably, completely, and adequately, in accordance with financial reporting standards, applicable laws, and relevant regulations. To review material accounting and financial matters, including accounting estimates, accounting policies, the exercise of management judgment, and any transactions or events that may have a material impact on the financial reports. 4.2 Internal Control and Risk Management To review that the Company maintains an internal control system that is appropriate, adequate, and effective. To review the adequacy and effectiveness of the risk management process to ensure its consistency with the nature, size, and complexity of the business. To review the risk management framework and policy, including the Company's acceptable risk appetite, as appropriate. To monitor significant risks that may materially affect the Company, including strategic, operational, financial, legal and compliance, information technology, and cybersecurity risks, as appropriate. To review the results of the assessment and management of significant risks, including the implementation of the risk management plan. To monitor material internal control deficiencies and management's remedial actions relating to internal control and risk management. 4.3 Legal Compliance and Ethics To review that the Company complies with the law governing securities and exchange, the regulations of the Stock Exchange of Thailand, and other laws or regulations relevant to the Company's business operations. To review the compliance oversight system and processes, including matters involving significant legal or regulatory risk. To review anti-fraud and anti-corruption policies and measures, including measures to prevent, detect, and respond to fraud. To review the Code of Conduct and the system for monitoring adherence to and enforcement of the Code of Conduct. To review the whistleblowing or complaint-reporting system to ensure appropriate channels and adequate protection of the confidentiality of whistleblowers, and to review the process for investigating and following up on significant complaints. Upon discovering or suspecting any act or transaction that may have a material impact on the Company, to report to the Board of Directors and to proceed in accordance with the laws, notifications, and regulations of the relevant regulatory authorities. In the event of being notified by the auditor of any suspicious circumstance under Section 89/25 of the Securities and Exchange Act B.E. 2535 (and its amendments), the Audit and Risk Committee shall carry out an investigation without delay and report the preliminary findings to the Office of the SEC and the auditor within the period prescribed by law. 4.4 External Auditor To consider the selection and propose the appointment or dismissal of the external auditor, as well as to propose the auditor's remuneration to the Board of Directors, for further action in accordance with the procedures prescribed by applicable laws and regulations. To review the independence of the external auditor, including the appropriateness of non-audit services, so as not to impair the auditor's independence. To review the scope, approach, and plan of the audit, including significant audit risk matters. To discuss with the external auditor the review or audit results, issues identified, audit limitations, material accounting adjustments, and other relevant significant matters. To meet with the external auditor, without the presence of management, at least once a year to discuss significant matters, problems, obstacles, or concerns relating to the performance of the audit. To evaluate the external auditor's performance and take it into account in the selection of the auditor, as appropriate. 4.5 Internal Audit To review and consider the independence, appropriateness, and effectiveness of the internal audit function. To approve the appointment, transfer, dismissal, and performance evaluation of the head of the internal audit function, as appropriate. To consider and approve the annual internal audit plan, as well as the resources necessary for the performance of its duties. To review the performance of the internal audit function to ensure its conformity with relevant professional standards. To review internal audit reports, material deficiencies identified, and management's remedial actions, and to monitor the progress of such remediation. To meet with the head of the internal audit function, without the presence of management, at least once a year to discuss significant matters or concerns relating to internal audit. To consider the results of quality assessments and improvements of the internal audit function, including external assessments, as appropriate. 4.6 Connected Transactions and Conflicts of Interest To review connected transactions and transactions that may involve a conflict of interest to ensure compliance with the law, the notifications of the Capital Market Supervisory Board and the Office of the SEC, and the regulations of the Stock Exchange of Thailand. To consider the reasonableness, necessity, terms and conditions of the transaction, pricing, and the best interests of the Company and shareholders as a whole. To review the accurate, complete, and adequate disclosure of information concerning connected transactions and transactions involving a conflict of interest. In cases where a transaction is complex or requires the opinion of a specialist, the Audit and Risk Committee may propose that the Company engage an expert or independent advisor to provide an opinion in support of its consideration. 4.7 Acquisition or Disposal of Assets In the event that the Company enters into a material acquisition or disposal of assets, the Audit and Risk Committee shall review and provide opinions to the Board of Directors on significant matters, including the reasonableness of the transaction, the appropriateness of the pricing and terms, the risks, the impact on the financial position and operating results, the sources of funds, and the appropriateness of information disclosure, all in accordance with applicable laws and regulations. 4.8 Monitoring of the Use of Proceeds from Fundraising In the event that the Company undertakes a fundraising, the Audit and Risk Committee shall review that the Company has mechanisms to monitor the use of the proceeds obtained from such fundraising in accordance with the disclosed objectives, including reviewing the disclosure of information and the reporting of progress in accordance with relevant regulations. 4.9 Other Duties To perform any other duties as assigned by the Board of Directors, provided that such duties are not in conflict with the law, the regulations of the regulatory authorities, and the principle of maintaining the independence of the Audit and Risk 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.RATHWIROON CHANCHUNGTHAWORN ) DIRECTOR Authorized to sign on behalf of the company Signature _________________ ( MissAPHIRAT THAWATCHUTIKORN ) 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. If you would like to see the full details of this information, please click view "full details" in attached file.