Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1) Date of shareholders/board resolution : 29-Apr-2026 The Audit Committee is consisted of No : 1 Audit Committee's Position : CHAIRMAN OF AUDIT COMMITTEE Full Name : Mr.SOMBOON WONGRASSAMEE Remaining term in office (year) : 2 Year No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.KIRKCHAI CHAIYATHAM Remaining term in office (year) : 3 Year No : 3 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.APICHATI SIVAYATHORN Remaining term in office (year) : 1 Year No : 4 Audit Committee's Position : SECRETARY OF THE AUDIT COMMITTEE Full Name : MRS.Daranee Dhubkaen 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 : 1.To review and ensure that the company's financial reporting is accurate and adequate. 2.To review and ensure that the company has an appropriate and effective internal control system and internal audit system, and to consider the independence of the internal audit unit. The committee shall also approve the appointment, transfer, or dismissal of the head of internal audit or any other unit responsible for internal audits. 3.To review and ensure that the company complies with the Securities and Exchange Act, the regulations of the Stock Exchange, and other laws relevant to the company's business. 4.To consider, select, and propose the appointment of an independent external auditor for the company, including determining the auditor's remuneration. The committee shall also meet with the auditor without the presence of management at least once a year. 5.To consider the disclosure of information in cases of related party transactions or transactions that may involve conflicts of interest, ensuring accuracy, completeness, and compliance with relevant laws and Stock Exchange regulations. This is to ensure that such transactions are reasonable and in the best interest of the company. 6.To hold separate meetings with management, internal auditors, or external auditors on a regular basis, at least once a year. 7.To perform any other duties as assigned by the Board of Directors and approved by the Audit Committee, such as reviewing financial and risk management policies, monitoring compliance with the Code of Business Conduct by executives, and reviewing significant reports submitted to the public as required by law, including Management Discussion and Analysis (MD&A) reports. 8.To provide opinions on the performance evaluation, appointment, removal, and remuneration of internal auditors. 9.To receive and investigate whistleblower reports on fraud or corruption involving internal personnel, examine the facts, and report findings to the Board of Directors. 10.To prepare and disclose the Audit Committee's report in the company's annual report. In performing its duties as outlined above, the Audit Committee is directly accountable to the Board of Directors. However, the Board of Directors remains ultimately responsible for the company's operations with respect to external parties. Additionally, the Audit Committee must regularly report its activities to the Board of Directors at least once every quarter. ______________________________________________________________________ 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 _________________ ( Cdr.SUWANNEE JIRAYANGYUEN ) DIRECTOR Authorized to sign on behalf of the company Signature _________________ ( Mr.TANACHAK SINRACHATANANT ) 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.