Letter No. : ARIP122/2026 Subject : Schedule and Agenda for the 2026 Annual General Meeting of Shareholders and dividend payment derived from operating results for the year ended December 31, 2025 To : President, The Stock Exchange of Thailand ______________________________________________________________________ Schedule of Shareholders' meeting Subject : Schedule of Annual General Meeting of Shareholders Date of Board resolution : 24-Feb-2026 Shareholder's meeting date : 09-Apr-2026 Beginning time of meeting (hh:mm) : 14 : 00 Record date for the right to attend the : 10-Mar-2026 meeting Ex-meeting date : 09-Mar-2026 Significant agenda item : - Cash dividend payment - Changing / renewal of the term of the director(s) Type of meeting : Physical meeting Venue of the meeting : 1023 MS Siam Tower 31 Fl. Rama III Road, Chong Nonsi, Yannawa, Bangkok 10120 Agenda Item : 1 Agenda Detail : To acknowledge the 56-1 One report and report on the Company's operating results 2025 Type : To acknowledge Board's Resolution : The Board deems it appropriate to propose to the AGM to acknowledge the 56-1 One report and report on the Company's operating results 2025. Agenda Item : 2 Agenda Detail : To consider and approve the Audited Statement of financial position and Statement of comprehensive income for the year ended 31 December 2025 Type : To Consider and approve Board's Resolution : The Board deems it appropriate to propose to the AGM to consider and approve the Company's Statement of financial position and Statement of comprehensive income for the year ended 31 December 2025, which have been audited by the authorized auditors. Agenda Item : 3 Agenda Detail : To consider and approve the profit apportionment and dividend payment derived from operating results for the year ended 31 December 2025 Type : To Consider and approve Board's Resolution (Update) : The Board deems it appropriate to propose the AGM to consider and approve the dividend payment for the Company's operating results Y2025 at the rate of 0.02 Baht/share totaling 9.32 MB, representing 83.42 percent compared to the Company's net profit. Agenda Item : 4 Agenda Detail (Update) : To consider and approve the appointment of new directors replacing those retired by rotation Type (Update) : To consider and approve the appointment of directors Board's Resolution (Update) : The Board deems it appropriate to propose the AGM to consider and approve the appointment of Mr. Boonlerd Narathai and Assoc. Prof. Rana Pongruengphant, Ph. D., who's been retiring as directors by rotation to return to their offices as directors for another term. In this agenda, Assoc. Prof. Rana Pongruengphant, Ph. D. as the independent director (ID), who been in the position exceeding 9 consecutive years. The Committee determined that she as an ID, who can give her opinions independently. Agenda Item : 5 Agenda Detail (Update) : To consider and approve determination of the Directors' remuneration Type (Update) : To Consider and approve Board's Resolution (Update) : The Board deems it appropriate to propose the AGM to consider and approve the remuneration of the Board and sub-committees Y2026 was equal to previous year. Agenda Item : 6 Agenda Detail : To consider and approve the appointment of auditor and determination of auditor's remuneration for Y2026 Type : To Consider and approve Board's Resolution (Update) : The Board deems it appropriate to propose the AGM to consider and approve the appointment of EY Office Limited as the auditor for Y2026 with an audit fee at the total amount of 1,275,000 Baht per year excluding other expenses which actually paid was equal to previous year. Agenda Item : 7 Agenda Detail : To consider other agenda Type : To Consider and approve Board's Resolution (Update) : - ______________________________________________________________________ Dividend payment / Omitted dividend payment Subject : Cash dividend payment Date of Board resolution : 24-Feb-2026 Type of dividend payment : Cash dividend payment Record date for the right to receive : 10-Mar-2026 dividends Ex-dividend date : 09-Mar-2026 Payment for : Common shareholders Cash dividend payment (baht per share) : 0.02 Par value (baht) : 0.25 Payment date : 24-Apr-2026 Paid from : Operating period from 01-Jan-2025 to 31-Dec-2025 Remark : The right to receive dividend, as the case maybe, is uncertain as it has not yet been approved by shareholders. ______________________________________________________________________ Change of director/Executive Re-election Director Name (Update) : Mr. Boonlerd Narathai Position in company (1) : DIRECTOR Effective Date (1) : 05-Aug-2019 Position in company (2) : CHIEF EXECUTIVE OFFICER Effective Date (2) : 05-Aug-2019 ______________________________________________________________________ Change of director/Executive Re-election Director Name (Update) : Assoc. Prof. Rana Pongruengphant, Ph. D. Position in company (1) : INDEPENDENT DIRECTOR Effective Date (1) : 21-Feb-2019 ______________________________________________________________________ Auditors Appointment No : 1 Auditor Name : Miss KIRDSIRI KANJANAPRAKASIT CPA License No. : 6014 Accounting and Audit firm : EY OFFICE LIMITED Audit End Date : 31-Dec-2026 No : 2 Auditor Name : Miss ORAWAN TECHAWATANASIRIKUL CPA License No. : 4807 Accounting and Audit firm : EY OFFICE LIMITED Audit End Date : 31-Dec-2026 No : 3 Auditor Name : Miss ROSAPORN DECHARKOM CPA License No. : 5659 Accounting and Audit firm : EY OFFICE LIMITED Audit End Date : 31-Dec-2026 ______________________________________________________________________ The company hereby certifies that the information above is correct and complete. Signature _________________ ( MissREUCHAPORN SAHAWATHANAPONG ) 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.