Notification of the Appointment of an Independent Director and Audit Committee Member and Submission of Form F24-1: Report on Names and Scope 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 : 16-Oct-2026 The Determination/Change of which shall : 16-Oct-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 : Mr.RERNGCHAI INKAPAKORN Remaining term in office (year) : 2 Year No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.KANCHIT KAWACHAT Remaining term in office (year) : 3 Year No : 3 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.TACHAPHOL KANJANAKUL Remaining term in office (year) : 3 Year No : 4 Audit Committee's Position : Audit Committee Full Name : Mr.KRIS CHANTANOTOKE Remaining term in office (year) : 1 Year 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. : 1-4 Scope of duties and responsibilities of the audit committee to the board of director : The Audit Committee has scope, duties and responsibilities to the Board of Directors as follows. The Company has assigned the duties and responsibilities of the Audit and Risk Management Committee as follows: 1.To review the Company's and its subsidiaries' financial reports to ensure that they are accurate, sufficient, and in accordance with the financial reporting standards. 2.To review the Company and its subsidiaries to ensure that they have an appropriate and effective internal control system and internal audit system; to review the independence of the internal audit function; as well as to give approval on the appointment, transfer, and dismissal of the head of the internal audit function or any other external unit responsible for the internal audit. 3.To review the management and compliance with the Risk Management policy as prescribed. 4.To review the Company's compliance with the Securities and Exchange Act, the regulations of the Stock Exchange of Thailand, and the laws related to the business of the Company and its subsidiaries. 5.To consider, select, and propose the appointment of an independent person to act as the Company's auditor, and to propose the remuneration of such auditor; as well as to attend a meeting with the auditor without the presence of the management at least once a year. 6.To consider and provide opinions on connected transactions or transactions that may have a conflict of interest, ensuring that such transactions are in compliance with the law and the regulations of the Stock Exchange of Thailand, and that they are reasonable and of the highest benefit to the Company. 7.To prepare the Audit and Risk Management Committee's report, to be disclosed in the Company's Annual Report. Such report shall be signed by the Chairman of the Audit and Risk Management Committee and shall contain at least the following information: o Opinion on the accuracy, completeness, and reliability of the Company's financial reports; o Opinion on the adequacy of the Company's internal control system; o Opinion on compliance with the Securities and Exchange Act; o The regulations of the Stock Exchange of Thailand or any laws related to the business of the Company; o Opinion on the suitability of the auditor; o Opinion on transactions that may have a conflict of interest; o The number of Audit and Risk Management Committee meetings and the attendance record of each member; o Opinions or overall observations received by the Audit and Risk Management Committee from the performance of duties in accordance with the Charter; o Other matters which, within the scope of duties and responsibilities assigned by the Board of Directors, shareholders and general investors should be informed of. 8.The Audit and Risk Management Committee shall have the authority to seek independent opinions from any other professional advisors when deemed necessary, at the Company's expense. 9.To ensure that the Company has channels for receiving whistleblowing reports and complaints regarding inappropriate financial reporting or other matters, ensuring that whistleblowers are assured of an independent review process and appropriate follow-up actions. 10.To conduct a preliminary fact-finding investigation upon being notified by the auditor of any suspicious circumstances regarding fraud or violation of laws relating to the duties of directors and executives under Section 89/25 of the Securities and Exchange Act, and to report the results of such investigation to the Securities and Exchange Commission (SEC) and the auditor immediately upon receiving notification from the auditor. 11.To perform any other duties as assigned by the Board of Directors with the consent of the Audit and Risk Management 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.PIYA PONG-ACHA ) DIRECTOR Authorized to sign on behalf of the company Signature _________________ ( Mr.SUTTHIRAK TRAICHIRA-APORN ) 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.