Notification of Appointment of a new Director and Form to Report on Names of Members and Scope of Work of the Audit Committee

Change of director/Executive New election The date of board's resolution/submit : 18-Dec-2025 news Director Name : Mrs. APIRADEE KUNAROJANASOMBUT Position in company (1) : DIRECTOR Effective Date (1) : 18-Dec-2025 Position in company (2) : INDEPENDENT DIRECTOR Effective Date (2) : 18-Dec-2025 Position in company (3) : AUDIT COMMITTEE Effective Date (3) : 18-Dec-2025 ______________________________________________________________________ Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1) The scope of duties and responsibilities of The Audit Committee The Audit Committee is consisted of No : 1 Audit Committee's Position : CHAIRMAN OF THE AUDIT COMMITTEE Full Name : Mr.SIRISAK MANITKUNAKARN Remaining term in office (year) : 1 Year 6 Month 3 Day No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.SOMNUK CHAIDEJSURIYA Remaining term in office (year) : 2 Year 2 Month 23 Day No : 3 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mrs.APIRADEE KUNAROJANASOMBUT Remaining term in office (year) : 2 Year 2 Month 23 Day No : 4 Audit Committee's Position : SECRETARY OF THE AUDIT COMMITTEE Full Name : Mr.ARNON MIKAWAN Remaining term in office (year) : 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. Oversee the financial reporting system, including quarterly and annual reporting and disclosure, to ensure accuracy, completeness, transparency, and compliance with financial reporting standards as required by law. 2. Oversee compliance with the Securities and Exchange Act and laws related to the Company's business, as well as the Company's announcements and regulations. 3. Review the appropriateness of accounting policies and the reasonableness of accounting estimates as proposed by the auditor. 4. Oversee the appropriate internal control system, risk management, and internal audit system. The Chief Executive Officer and Managing Director may delegate duties as appropriate. 5. Collaborate with the Chief Executive Officer and Managing Director to oversee the Company and its subsidiaries to ensure that they have appropriate risk management and control systems in accordance with the guidelines assigned by the Board of Directors. 6. Oversee preventative work systems that benefit the organization to increase efficiency and effectiveness in operations. 7. Oversee the Company's effective anti-corruption processes in line with the guidelines of various regulatory agencies. This includes developing and promoting awareness raising, risk assessment, preventative work systems, auditing, and reviewing the Thai Institute of Directors anti-corruption measures. Furthermore, a complaints committee will be established to conduct preliminary investigations in cases where complaints are submitted. Complaints may be submitted to the Audit Committee. The working group may be instructed to periodically report the results and/or progress of the investigation to the Audit Committee as appropriate. 8. Review the compliance control system and process to ensure its appropriateness, efficiency, and effectiveness. 9. Consider the independence of the internal audit unit, including approving the organizational structure, appointment, transfer, merit evaluation, and punishment of the internal audit unit's supervisor. It may also appoint a fact-finding committee to investigate the internal audit unit's supervisor if the supervisor is the subject of a complaint about misconduct under the law or the Company's regulations, including good corporate governance and business ethics. 10. Consider, select, nominate, appoint, remove, or replace an independent person to serve as the Company's auditor, and propose the audit fee to the Board of Directors for consideration and approval before submitting it to the shareholders' meeting for approval. 11. Attend quarterly meetings with the auditor, and attend meetings without management at least once a year to obtain observations on key audit matters. 12. Review related-party transactions or transactions that may lead to conflicts of interest to ensure compliance with the law. Regulations of The Stock Exchange of Thailand and The Securities and Exchange Commission. 13. Review the results of fraud investigations and establish internal preventative measures, including reviewing the Company's internal procedures for whistleblowing and complaints. 14. Prepare the Audit Committee Charter in accordance with the scope of responsibilities for the Company's operations, the environment, society, good governance, and legal requirements, subject to The Board of Directors approval. The Audit Committee Charter shall be reviewed and updated at least annually. 15. Approve the Internal Audit Unit Charter in accordance with the scope of responsibilities for the Company's operations, the environment, society, good governance, and legal requirements, and review and update the Internal Audit Unit Charter at least once every two years. 16. The Chairman of the Audit Committee and all members of the Audit Committee shall attend the annual general meeting of shareholders to clarify matters related to the Audit Committee. 17. Prepare the Audit Committee's report and disclose it in the Company's annual report. This report shall be signed by the Chairman of the Audit Committee. 18. Perform any other duties as assigned by the Board of Directors and the shareholders' meeting, which fall within the scope, duties, and responsibilities of the Audit Committee. ______________________________________________________________________ The company hereby certifies that the information above is correct and complete. Signature _________________ ( Mrs.PRAPASRI SUCHANTABUTR ) DIRECTOR Authorized person to disclose information Signature _________________ ( Mr.KONGKLAI SUCHANTABUTR ) DIRECTOR Authorized person to disclose information ______________________________________________________________________ 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.