Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1) Date of shareholders/board resolution : 06-Aug-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 : -No change- The Determination/Change of which shall : 18-Jul-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.SOMPOTE VALYASEVI Remaining term in office (year) : 5 Year No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.SOMCHAI WONGRASSAMEE Remaining term in office (year) : 5 Year No : 3 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.CHANAKAN SRIRATANABAN Remaining term in office (year) : 5 Year No : 4 Audit Committee's Position : SECRETARY OF THE AUDIT COMMITTEE Full Name : MissOnanong Kaewphithaksakun Number of copies of the certificate and : 3 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. : 2 Scope of duties and responsibilities of the audit committee to the board of director : The audit committee of the company has the scope of duties and responsibilities to the Board of Director on the following matters: 1. Ensure that the company provides accurate, complete, reliable financial reporting and sufficient disclosure of information. 2. Ensure that the company has adequate, appropriate, and effective internal control systems, risk management systems, and internal audit systems in place. 3. Ensure compliance with good corporate governance policies and business ethics in an appropriate and effective manner. 4. The Audit Committee shall review the Companys performance to be compliance with the applicable laws pertinent to the Securities and the Stock Exchange of Thailand, the rules and regulations of the Stock Exchange of Thailand and other laws related to the Companys businesses 5. Responsible for ensuring that the company has adequate internal controls and for reviewing operations to ensure compliance with anti-fraud and anti-corruption policies. 6. The Audit Committee shall screen and nominate auditors who are independent to be the Companys auditors and approve the annual fees of the auditors 7. Review related transactions to ensure compliance with the law and the regulations of the Stock Exchange of Thailand, ensuring they are reasonable and beneficial to the company. 8. Oversee the operations of the internal audit department by reviewing and approving the charter, ensuring independence, as well as defining the scope and audit plan of the internal audit office. 9. Review and approve the Budget and Manpower Planning of the internal audit office. 10. Review and approve the appointment, transfer, and performance evaluation of the head of the internal audit office. 11. Review and assess the audit results and recommendations from both the external auditor and the internal audit department, and follow up to ensure that management takes adequate, effective, and timely action on these recommendations. 12. The Audit Committee may invite executives or employees of the company who are relevant to report, present information at meetings, or submit documents as deemed necessary and appropriate. 13. Review and revise the Audit Committee's charter as necessary to ensure it remains up-to-date and appropriate for the organization's environment and present it to the Board of Directors for consideration and approval. 14. Prepare the Audit Committees report, which includes the committees information and opinions on various matters and disclose it in the companys annual report. The report must be signed by the Chairman of the Audit Committee. 15. Perform any other tasks assigned by the Board of Directors with the approval of the Audit Committee. The management is responsible for reporting or presenting relevant information and documents to the Audit Committee to support the committees work in fulfilling its assigned duties. 16. The Audit Committee shall search for independent opinions from any professional consultants as deemed necessary for the Companys expenses. ______________________________________________________________________ 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.ATIPORN LIMCHAROEN ) DIRECTOR Authorized to sign on behalf of the company Signature _________________ ( Mr.PHAITHOON PRAMOUNCHAIKUN ) 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.

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