Notification the exercise of securities/ Notification the conversion of securities Subject : Notification the exercise of securities Date announced : 04-Nov-2026 Name of securities : ACC-W2 Exercise date : 30-Nov-2026 The notification period for the exercise : From 23-Nov-2026 to 27-Nov-2026 of the securities Exercise price (baht per share) : 0.81776 Exercise ratio (Warrants : common : 1 : 1.22283 shares) Exercise Procedure : https://acc-plc.com/ir-info-download/ Contact Persons and Place to Exercise : UOB Kay Hian Securities (Thailand) Public Company Limited Operations Dept. Head office 130-132 Tower1 3rd Floor Wireless Rd. Lumpini Pathumwan Bangkok 10330 Tel. 0-2090-3444 ext. 3386, 3390, 3381, 3380 and 3382 E-mail : cd@uobkh.co.th Authorized to sign on behalf of the : Mr. Vichien Uesanguankul company Position : Director ______________________________________________________________________ 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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