Announcement of the resignation of Audit Committee, the Appointment of Audit Committee 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 : 13-Aug-2026 news Director Name : Mr. KRITTAKORN SAHAKIJPICHARN Position in company (1) : INDEPENDENT DIRECTOR Effective Date (1) : 23-Aug-2022 Expire Date (1) : 31-Aug-2026 Position in company (2) : CHAIRMAN OF AUDIT COMMITTEE Effective Date (2) : 23-Aug-2022 Expire Date (2) : 31-Aug-2026 Position in company (3) : Nomination & Remuneration Committee Expire Date (3) : 31-Aug-2026 Terminate Reason : Expired by rotation (term not expired) : Resigned from position /the company due to Due to engaged in personal commitments. ______________________________________________________________________ Change of director/Executive Expired by rotation Director Name : Mrs. WARANGKANA POTSIRISILPA Position in company (1) : AUDIT COMMITTEE Effective Date (1) : 25-Apr-2023 Expire Date (1) : 31-Aug-2026 Terminate Reason : Expired by rotation (term not expired) : Resigned from position /the company due to Appointed as the Chairman of the Audit Committee. ______________________________________________________________________ Change of director/Executive New election Director Name : Mrs. WARANGKANA POTSIRISILPA Position in company (1) : Chairman of the Audit Committee Effective Date (1) : 01-Sep-2026 ______________________________________________________________________ Change of director/Executive New election Director Name : MR. SUNTHORN CHANTRAPRAPABEJ Position in company (1) : Independent Director Effective Date (1) : 01-Sep-2026 Position in company (2) : Audit Committee Effective Date (2) : 01-Sep-2026 Position in company (3) : Nomination and Remuneration Committee Effective Date (3) : 01-Sep-2026 More detail : Appointed as a replacement for the director who resigned, to serve for the remainder of the predecessor's term of office. ______________________________________________________________________ Form to Report on Names of Members and Scope of Work of the Audit Committee (F24-1) Date of shareholders/board resolution : 13-Aug-2026 The Determination/Change of which shall : 01-Sep-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 : Mrs.WARANGKANA POTSIRISILPA Remaining term in office (year) : 2 Year 9 Month No : 2 Audit Committee's Position : AUDIT COMMITTEE Full Name : Mr.TAWEE SRICHAINAK Remaining term in office (year) : 8 Month No : 3 Audit Committee's Position : Audit Committee Full Name : MR.SUNTHORN CHANTRAPRAPABEJ Remaining term in office (year) : 8 Month No : 4 Audit Committee's Position : SECRETARY OF THE AUDIT COMMITTEE Full Name : MS.PINYAPAT WONGWARACHAI 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 , 2 Scope of duties and responsibilities of the audit committee to the board of director : 1) Review the quarterly and annual financial reporting of the Company and its subsidiaries to ensure that such reports are accurate, complete, adequate, reliable, and timely, and comply with applicable accounting standards and financial reporting standards prescribed by law. The Audit Committee shall coordinate and meet with the external auditor and the management responsible for the preparation of the financial statements and disclosure of information, and shall submit such financial statements to the Board of Directors and/or the shareholders' meeting (as applicable) for approval. In carrying out these duties, the Audit Committee shall oversee management's responsibility for the preparation of the Company's financial statements, while the external auditor shall be responsible for auditing such financial statements. The Audit Committee and the Board of Directors acknowledge that management, the internal auditor, and the external auditor possess greater resources, time, information, and expertise in accounting, auditing, internal control, and financial reporting processes than the Audit Committee. Accordingly, the Audit Committee's oversight of financial reporting does not constitute a separate assurance regarding the financial statements or financial information presented by the Company to shareholders or other stakeholders. 2) Review the adequacy and effectiveness of the internal control system and internal audit system of the Company and its subsidiaries. 3) Review and approve the internal audit plan in consultation with the internal auditor, particularly with respect to internal control systems and financial management processes. Consider and provide recommendations on the budget and staffing of the internal audit function for management approval. Review the audit plans and scope of work of the internal auditor, the Company's external auditor, and any internal audit consultants (if any), to ensure coordination and avoid duplication. Review internal audit reports and monitor the implementation of corrective actions arising from audit findings. 4) Review the Company's and its subsidiaries' compliance with the Public Limited Companies Act, the Securities and Exchange Act, the regulations of the Stock Exchange of Thailand, and all laws relevant to the Company's business. Review compliance by subsidiaries with the Subsidiary and Associated Company Governance Policy and the Corporate Governance Policy. 5) Consider, select, and nominate an independent person for appointment as the Company's external auditor, and determine the auditor's remuneration by taking into account credibility, adequacy of resources, audit workload of the audit firm, experience of the assigned audit personnel, and past performance. Consider the removal of the external auditor where appropriate. The Audit Committee shall submit its recommendations to the Board of Directors for approval. The Audit Committee shall also coordinate with the external auditor regarding audit objectives, scope, approach, audit plan, issues identified during the audit, and significant matters identified by the auditor. The Audit Committee shall meet privately with the external auditor, without management present, at least once a year. 6) Review the audit scope and methodology proposed by the external auditor, consider the reasons for any subsequent changes to the audit plan, recommend additional audit procedures or reviews where deemed necessary and material, review the auditor's management letter, and monitor management's implementation of the auditor's recommendations. 7) Review connected transactions, transactions that may give rise to conflicts of interest, and acquisitions or disposals of assets by the Company and its subsidiaries to ensure compliance with the Securities and Exchange Act and the regulations of the Stock Exchange of Thailand, and ensure complete and accurate disclosure of such transactions. Review the governance of subsidiaries and associated companies and corporate governance policies to ensure that such transactions are reasonable and in the best interests of the Company. 8) Prepare the Audit Committee Report for inclusion in the Company's Annual Report. The report shall be signed by the Chairperson of the Audit Committee and contain at least the information required by the Securities and Exchange Commission (SEC), including: (1) An opinion on the accuracy, completeness, and reliability of the Company's financial statements; (2) An opinion on the adequacy of the Company's internal control system; (3) An opinion on the Company's compliance with the Securities and Exchange Act, the regulations of the Stock Exchange of Thailand, and laws relating to the Company's business; (4) An opinion on the suitability of the Company's external auditor; (5) An opinion on transactions that may involve conflicts of interest; (6) The number of Audit Committee meetings and attendance records of each Audit Committee member; (7) The overall opinions or observations of the Audit Committee in performing its duties under this Charter; and (8) Any other information that shareholders and investors should be informed of within the scope of duties and responsibilities assigned by the Board of Directors. 9) Review the Company's risk management process to ensure that it is appropriate and effective, and assess the adequacy and appropriateness of its implementation as part of the Company's strategic management to support sustainable growth. 10) Support the Risk Management Working Committee and the Board of Directors in overseeing the Company's overall risk management framework to ensure that risk management is aligned with the Company's operations and comprehensively addresses risks affecting stakeholders and other relevant parties. 11) Meet with management and the internal audit function to review the adequacy of the Company's risk management and internal control systems. 12) In performing its duties, if the Audit Committee discovers or suspects any of the following matters that may materially affect the Company's financial position or operating results, it shall report such matters to the Board of Directors for corrective action within the period considered appropriate by the Audit Committee: (1) Transactions involving possible conflicts of interest; (2) Suspected fraud, irregularities, or significant deficiencies in the internal control system; or (3) Suspected violations of the SEC regulations, the Stock Exchange of Thailand's rules, the Public Limited Companies Act, the Securities and Exchange Act, or other laws and regulations applicable to the Company or its business. 13) Where the external auditor identifies circumstances giving reasonable grounds to suspect that a director, executive, or person responsible for the Company's operations has committed an offence prescribed by law and reports such facts to the Audit Committee, the Audit Committee shall submit a preliminary report to the SEC within thirty (30) days from the date of notification. Such suspicious circumstances and the procedures for establishing the relevant facts shall comply with the SEC's regulations and other applicable laws. 14) Review the Company's ongoing development of good corporate governance practices, provide guidance and recommendations for continuous improvement, promote the inclusion of corporate governance as a regular agenda item at Board of Directors' meetings and the Annual General Meeting of Shareholders, and ensure that the Chairperson of the Audit Committee receives copies of reports of interests pursuant to Section 89/14 of the Securities and Exchange Act from the Company Secretary within seven (7) business days after the Company receives such reports. 15) Review the independence of the internal audit function, including the adequacy of its budget and staffing, approve the appointment, transfer, or dismissal of the Head of Internal Audit or any person responsible for the Company's internal audit function, and evaluate the annual performance of the Head of Internal Audit. 16) Review the appropriateness of this Charter annually to ensure that its provisions remain consistent with the Company's objectives, business strategies, and applicable laws. Any material amendments to the Charter shall be subject to the approval of the Board of Directors. 17) Review the adequacy and effectiveness of coordination between the external auditor and the internal auditor. 18) Review the Company's internal processes relating to whistleblowing, complaint handling, and compliance with the anti-corruption policy, applicable regulations, laws, and international standards to ensure that such processes remain robust, appropriate, up-to-date, and effective, as determined by the Audit Committee. 19) Perform any other duties assigned by the Board of Directors and accepted by the Audit 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.JIRASAK MANATRAKUL ) 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. 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