Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1) Date of shareholders/board resolution : 27-Apr-2026 The Audit Committee is consisted of No : 1 Audit Committee's Position : CHAIRMAN OF THE AUDIT COMMITTEE Full Name : Mr.TIM TAK TIMOTHY WONG Remaining term in office (year) : 3 Year No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.BODIN APISAKSIRIKUL Remaining term in office (year) : 2 Year No : 3 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.VIRAVIT CHARTVIVATPORNCHAI Remaining term in office (year) : 2 Year No : 4 Audit Committee's Position : SECRETARY OF THE AUDIT COMMITTEE Full Name : MR.Nawat Tunhikorn 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 : The Audit Committee has the scope, duties, and responsibilities as assigned by the Company's Board of Directors, as well as the obligation to report to the Board of Directors as follows: 1. Review to ensure that the company's financial reporting is accurate and adequately disclosed by coordinating with external auditors and management responsible for preparing financial reports on a quarterly and annual basis. 2. Review to ensure that the company has an appropriate and effective internal control and internal audit system, and assess the independence of the internal audit department. 3. Consider the selection, nomination, and dismissal of individuals with independence to serve as the company's internal auditors, including reviewing their compensation and ensuring the internal audit department reports directly to the Audit Committee. 4. Approve the internal audit plan and review the audit reports, including following up on any issues found in the reports. Approve the annual budget and personnel plan for the internal audit department. 5. Review and approve the internal audit department's charter and evaluate its performance reports. 6. Review to ensure that the company has an effective risk management process, operational controls, governance processes, and information security 7. measures in line with international standards, and track the risk management results, including assessing the risk management performance from the risk management committee. 7. Review the company's compliance with the Securities and Exchange Act, the rules and regulations of the Stock Exchange, or other laws related to the company's business. 8. Consider the selection, nomination, and dismissal of independent individuals to serve as the company's external auditors, including reviewing their compensation and the scope of their engagement. This should comply with the guidelines for the selection of auditors established by the Securities and Exchange Commission, to be presented to the Board of Directors for shareholder approval. Also, meet with the external auditors without management at least once a year. 9. Monitor the management's timely preparation of financial statements to ensure the auditors and the Audit Committee have adequate time for review and to raise issues, ensuring that the financial statements are accurate, transparent, and disclosed to investors within the required time frame. 10. Review the consistency of the company's financial report with other related information, such as the Management Discussion & Analysis (MD&A), annual reports, and press releases. 11. Have the authority to hire independent consultants if deemed necessary at the company's expense. 12. Consider and provide opinions on material transactions involving the acquisition or disposal of assets, related party transactions, or transactions that may involve conflicts of interest, ensuring they comply with the law and stock exchange regulations. This should be done with fairness and reasonableness, prioritizing the best interest of the company and shareholders. After approval, the Audit Committee should follow up and report the progress to shareholders regularly and appropriately. 13. Consider details related to fund-raising, such as investment feasibility, the appropriateness of value, and fundraising channels. Ensure the company has mechanisms to monitor and manage the use of raised funds according to disclosed objectives and report on their use to shareholders regularly and in compliance with required reporting timelines. 14. During its operations, if the Audit Committee identifies or suspects any activity that may materially affect the financial status or performance of the company, the Audit Committee must report it to the Board of Directors to enable timely corrective action. - Conflicts of interest - Fraud or significant deficiencies in internal controls - Violations of securities and exchange laws, stock exchange regulations, or laws related to the company's business. If the Board of Directors or management cannot resolve the issue promptly, the Audit Committee may report the matter to the Securities and Exchange Commission or the Stock Exchange of Thailand. 15. If the company's external auditor identifies suspicious activity involving a director, manager, or any responsible person violating the law, and reports this to the Audit Committee, the Audit Committee must promptly investigate and report its findings to the Securities and Exchange Commission and the external auditor as soon as possible, within 30 days from receiving the report, and update the SEC and external auditors regularly. 16. Promote the company's whistleblower channels and encourage policies and methods for handling complaints, ensuring protection for whistleblowers. 17. Prepare an Audit Committee report to be disclosed in the company's annual report, signed by the Audit Committee Chairman. The report should include at least: - Opinion on the accuracy, completeness, and reliability of the financial reports - Opinion on the adequacy of the company's internal control system - Opinion on compliance with the Securities and Exchange Act, the Stock Exchange regulations, and other applicable laws - Opinion on the suitability of the external auditors - Opinion on transactions involving conflicts of interest - Number of Audit Committee meetings and the attendance of each committee member - Overall opinions or comments received during the performance of duties per the Audit Committee Charter - Other matters the Audit Committee believes are important for shareholders and investors to know under its scope of duties 18. Review the Audit Committee's Charter and perform a self-assessment at least once a year. 19. Perform other duties as assigned by the Board of Directors as deemed appropriate. In carrying out the scope of duties and responsibilities, the Audit Committee has the authority to invite management, executives, or employees of the company to report, provide opinions, attend meetings, or submit relevant documents as deemed necessary. The Audit Committee also has the authority to modify its duties and responsibilities as necessary or appropriate. ______________________________________________________________________ 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 _________________ ( MissBENYAPA CHALERMWAT ) DIRECTOR Authorized to sign on behalf of the company Signature _________________ ( Mr.NAWAT TUNHIKORN ) 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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