Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1) Date of shareholders/board resolution : 21-Apr-2026 The Audit Committee is consisted of No : 1 Audit Committee's Position : CHAIRMAN OF THE AUDIT COMMITTEE Full Name : Mr.SUPHANT PORNSOONGSONG Remaining term in office (year) : 2 Year No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : MissCHULARAT SUTEETHORN Remaining term in office (year) : 3 Year No : 3 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.AMPHORN PORNVARAGORN Remaining term in office (year) : 3 Year The order of audit committee number(s) that has/have adequate expertise and experience to review creditability of the financial reports. : 2 และ 3 Scope of duties and responsibilities of the audit committee to the board of director : 1. To review to ensure that the company's financial reports are accurately reported in accordance with the applicable financial reporting standards to ensure that those reports are accurate, adequately disclosed, and timely. The Audit Committee may recommend that additional audits or reviews be conducted on issues or problems by additional auditors during the auditors' performance of auditing the company and its subsidiaries. 2. To review to ensure that the company has appropriate and effective internal control and internal audit systems and approve the company's annual audit plan to ensure that the company and its subsidiaries have appropriate internal control systems and are updated as necessary. 3. To consider the appointment, transfer, termination of appointment of the head of the internal audit department or any other unit responsible for internal audit, as well as consider the independence of the internal audit. 4. To supervise the operations of the internal audit department to ensure compliance with the approve annual audit plan, review, and approve the department's charter at least once a year to ensure that the objectives, duties, and responsibilities are in line with the principles of operation framework and international standards of professional practice of internal audit. 5. To evaluate the quality of internal audit work regularly each year and review the results of internal audit reports to provide comments before submitting the internal audit report to the Board of Directors. 6. To consider and approve the annual budget, staff levels, and necessary resources for the operations of the internal audit department. 7. To attend meetings with the head of the internal audit department to discuss important issues at least once a year without management participation. 8. To review to ensure that the company complies with securities laws and regulations, rules, and announcements of the Stock Exchange of Thailand, and related laws applicable to the company and/or its business. 9. To consider, select, and propose the appointment of independent persons to serve as the company's accountants and propose the remuneration of the accountants before proposing to the board of directors and the shareholders' meeting for approval, as well as attend meetings with the accountants without management participation at least once a year. 10. To review and provide opinions on related transactions or transactions that may have conflict of interests in accordance with relevant laws, announcements, and regulations to ensure that such transactions are reasonable and of maximum benefit to the company. 11. To prepare a report of the Audit Committee for submission to the board of directors, disclosed in the company's annual report. This report must be sign by the chairman of the Audit Committee and must include at least the follow information: a) An opinion on the accuracy, completeness, and reliability of the company's financial reports. b) An opinion on the adequacy of the company's internal control system. c) An opinion on compliance with securities laws, regulations, and announcements of the Stock Exchange of Thailand, and other related laws applicable to the company and/or its business. d) An opinion on the appropriateness of the auditors. e) An Opinion on any transactions that may present conflicts of interest. f) The number of Audit Committee meetings and the attendance of such meetings by each committee member. g) Overall opinion or observations received by the Audit Committee from fulfill the duties as per the charter. h) Any other matters deemed necessary for the shareholders of the company and general investors to be informed within the scope of authority, duties, and responsibilities delegated by the Board of Directors. 12. To review individuals involved under the authority of the Audit Committee and with the authority to hire or engage specialized experts to assist in the audit, with the company bearing the expenses. 13. If there are suspicions or find that the follow actions may significantly impact on the financial status and operations of the company, the Audit Committee shall report to the board of directors for internal improvement within the time deemed appropriate by the Audit Committee: a) Related transactions that may have conflicts of interest. b) Frauds or significant or irregular deficiencies in the internal control system. c) Violations of securities laws, regulations, and announcements of the Stock Exchange of Thailand, or other related laws applicable to the company and/or its business. If the board of directors or management does not take action to make improvements within the above timeframe, any Audit Committee member may report the matter to the Securities and Exchange Commission of Thailand or the Stock Exchange of Thailand. 14. To handle complaints and notifications regard misconduct, corruption, or non-compliance with laws, regulations, and ethical principles in the company's business operations, and oversee the audit of facts and consider penalties independently and appropriately, follow relevant policies determined by the Board of Directors. 15. To review, audit and provide opinions on corporate governance policies and social responsibility, as well as anti-corruption efforts. 16. To review details related to the use of capital raised and ensure that the company has mechanisms to oversee and track the use of capital raised correctly and appropriately, in line with the disclosed objectives. 17. To examine and continuously monitor significant risk management, include the overall management of information technology risks, within the organization, as overseen by the company's risk management committee. 18. Have the authority to summon and instruct the management team, department heads, or employees of the company to provide opinions, participate in meetings, or submit documents as deemed necessary, include seek independent opinions from other professional consultants, when necessary, by the expense of the company. 19. To review and propose adjustments to the scope of authority, duties, and responsibilities of the Audit Committee to align with the current situation, for consideration by the Board of Directors. 20. To evaluate the performance of the Audit Committee annually, both as a group and individually, and report the annual performance to the Board of Directors, include prepare a report on the Audit Committee's activities. 21. To perform any other duties as assigned by the Board of Directors, with the approval of the Audit 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.THOTSPOL KUNAPERMSIRI ) VICE CHAIRMAN OF THE BOARD OF DIRECTORS Authorized to sign on behalf of the company Signature _________________ ( Mr.CHAN LAILAK ) 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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