Notification of the Resignation and Appointment of Independent Director, Chairman of the Audit Committee, and Sub-Committee Members and Form to report on Names of Members and Scope of Work of the Audit Committee (F24-1)

Change of director/Executive Expired by rotation The date of board's resolution/submit : 27-Oct-2026 news Director Name : Miss SIRADA JARUTAKANONT Position in company (1) : INDEPENDENT DIRECTOR Effective Date (1) : 14-May-2013 Expire Date (1) : 31-Oct-2026 Position in company (2) : CHAIRMAN OF AUDIT COMMITTEE Effective Date (2) : 14-May-2013 Expire Date (2) : 31-Oct-2026 Position in company (3) : Chairman of the Nomination and Remuneration Committee Expire Date (3) : 31-Oct-2026 Terminate Reason : Expired by rotation (term not expired) : Resigned from position /the company due to This resignation is due to personal commitments, which may affect my ability to perform my duties at full efficiency. ______________________________________________________________________ Change of director/Executive New election Director Name : MR. Somsak Prikboonchan Position in company (1) : Independent Director Effective Date (1) : 01-Nov-2026 Position in company (2) : Chairman of the Audit Committee Effective Date (2) : 01-Nov-2026 Position in company (3) : Director of the Nomination and Remuneration Committee Effective Date (3) : 01-Nov-2026 ______________________________________________________________________ Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1) Date of shareholders/board resolution : 27-Oct-2026 The Determination/Change of which shall : 01-Nov-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.Somsak Prikboonchan Remaining term in office (year) : 1 Year 5 Month No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.TEERASAK SAWANGNET Remaining term in office (year) : 2 Year 5 Month No : 3 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.KOVIT KRISTHANIN Remaining term in office (year) : 1 Year 5 Month No : 4 Audit Committee's Position : SECRETARY OF THE AUDIT COMMITTEE Full Name : Ms.Boonnee Kusolsopit The order of audit committee number(s) that has/have adequate expertise and experience to review creditability of the financial reports. : 1-2 Scope of duties and responsibilities of the audit committee to the board of director : 1. Hold the Audit Committee Meeting for at least 3 months at a time. 2. Review the Companys financial reporting process to ensure that it is accurate and adequate. 3. Review the Companys internal control system and internal audit system to ensure that they are appropriate and efficient. 4. Determine an internal audit units independence, to express opinions regarding the operation plan and operation results, budgeting and manpower of the Internal Audit Department as well as to approve the appointment, transfer and dismissal of the chief of an internal audit unit. 5. Ensure that the Company has duly complied with the laws on securities and exchange, the SETs regulations, and the laws relating to the Companys business. 6. Review and discuss with the Management about the significant risks including the measures the Management has taken to monitor and control such risks. 7. Consider, select and nominate an independence person to be the Companys auditor as well as to attend the meeting with the auditor without the Management at least once a year. 8. Review the related transactions, or the transactions that may lead to conflicts of interests, to ensure that they are in compliance with the laws and the SETs regulations, and are reasonable for the highest benefit of the Company. 9. Prepare and disclose the Audit Committees report in the Form 56-1 One Report (Annual Report) which must be signed by the Chairman of the Audit Committee and consist of at least the following information a) an opinion on the accuracy, completeness and creditability of the Companys financial report b) an opinion on the adequacy of the Companys internal control system c) an opinion on the compliance with the law and securities and exchange, the SETs regulations, and the laws relating to the Companys business; d) an opinion on the suitability of an auditor e) an opinion on the transactions that may lead to conflicts of interests f) the number of meetings of the Audit Committee and the attendance of each Audit Committee Member g) overall opinions or observations received by the Audit Committee from its performance of duties in accordance with the charter and h) other transactions which shareholders and general investors should be aware of under the scope of duties and responsibilities assigned by the Board of Directors. 10. Report to the Board of Directors if found or suspected that there are any transactions or actions that affect the Companys business operations. 11. Obtain appropriate consultations from the independent specialist relating to its scope of duties and responsibilities with the Company expenses. 12. Assess the performance of the Board of Directors, Sub-Committee and Managing Director at least once a year for further development. 13. Perform any other tasks as assigned by the Board of Directors upon the Audit Committees consent. ______________________________________________________________________ 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.CHAIYASIT SAMRITTIVANICHA ) 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.