Notification the exercise of securities/ Notification the conversion of securities Subject : Notification the exercise of securities Date announced : 23-Sep-2026 Name of securities : UREKA-W3 Exercise date : 08-Oct-2026 The notification period for the exercise : From 01-Oct-2026 to 07-Oct-2026 of the securities Exercise price (baht per share) : 2 Exercise ratio (Warrants : common : 1 : 1 shares) Exercise Procedure : https://www.eurekadesign.co.th/eureka/pdf/th/thUREKA-W32.pdf Contact Persons and Place to Exercise : Miss Surada Chaichanatrakarn EUREKA DESIGN PUBLIC COMPANY LIMITED 19 Moo 11, Tambon Ladsawai, Amphoe Lamlukka Pathum Thani 12150 Authorized to sign on behalf of the : Mr.Piyapot Keawjamlong company Position : CFO ______________________________________________________________________ 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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