Dividend payment / Omitted dividend payment Subject : Cash dividend payment Date of Board resolution : 18-Aug-2026 Type of dividend payment : Cash dividend payment Record date for the right to receive : 01-Sep-2026 dividends Ex-dividend date : 31-Aug-2026 Payment for : Common shareholders Cash dividend payment (baht per share) : 0.50 Par value (baht) : 1.00 Payment date : 17-Sep-2026 Paid from : Operating period from 01-Jan-2026 to 30-Jun-2026 Remark : The Board of Directors' Meeting No. 4/2026 of Lanna Resources Public Company Limited, dated August 18, 2026, resolved as follows: The Board of Directors' Meeting of Lanna Resources Public Company Limited, at the meeting no. 4/2026 (1) Approved the appropriation of earnings for the operating results for the period from January 1, 2026, to June 30, 2026, for interim dividend payment at Baht 0.50 per share for a total of 524,999,679 shares, totaling Baht 262,499,839.50. Shareholders receiving this dividend will not be entitled to a tax credit, as the dividend is paid from earnings exempt from corporate income tax. Accordingly, shareholders are required to pay income tax on such dividend in accordance with the Revenue Code. (2) The Record Date shall be set for September 1, 2026, to determine the list of shareholders entitled to receive the dividend, which shall be paid on September 17, 2026. ______________________________________________________________________ The company hereby certifies that the information above is correct and complete. Signature _________________ ( MR.saharat Vatanatumrak ) Company Secretary 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.

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