Notification of Cancellation of the Record Date for Determining the Right of Shareholders to Attend the Extraordinary General Meeting of Shareholders and Postponement of the Extraordinary General Meeting of Shareholders No. 1/2026

With reference to the resolutions of the Board of Directors' Meeting No. 10/2025 of Advanced Connection Corporation Public Company Limited (the "Company") held on October 7, 2025, at which the Board resolved to convene the Extraordinary General Meeting of Shareholders No. 1/2026 on December 22, 2025, and the resolutions of the Board of Directors' Meeting No. 16/2025 held on November 25, 2025, at which the Board resolved to change the date of the Extraordinary General Meeting of Shareholders No. 1/2026 to January 16, 2026 at 10:00 a.m., and resolved the date of November 21, 2025 as the record date for determining the shareholders entitled to attend the Extraordinary General Meeting of Shareholders (Record Date), in order to consider the agenda items relating to: (i) the issuance of warrants to purchase newly issued ordinary shares of the Company No. 3 (ACC-W3); (ii) the increase of the Company's registered capital; (iii) the reduction of the Company's registered capital; (iv) the amendment to the Company's Memorandum of Association; (v) the allocation of newly issued ordinary shares to accommodate the issuance and offering to persons in a private placement; (vi) connected transactions; and (vii) the request for a waiver from making a mandatory tender offer for all securities of the Company (Whitewash). The Board further authorized the Managing Director and/or persons authorized by the Board of Directors to determine any other details relating to the said Extraordinary General Meeting of Shareholders No. 1/2026 as deemed appropriate, for the maximum benefit of the Company and in compliance with applicable laws, rules, and regulations of the Office of the Securities and Exchange Commission, the Stock Exchange of Thailand, and/or other relevant authorities. Subsequently, as the Company deems it necessary to gather additional information in relation to the aforementioned transactions in order to present such information to the Extraordinary General Meeting of Shareholders No. 1/2026 with due care and for the best interests of the shareholders, the Board of Directors' Meeting No. 18/2025 held on December 26, 2025 resolved to cancel the original record date for determining the shareholders entitled to attend the Extraordinary General Meeting of Shareholders No. 1/2026, which was November 21, 2025, and to cancel the record date for determining the shareholders entitled to subscribe for the warrants, which was January 5, 2026. In addition, the Board resolved to postpone the Extraordinary General Meeting of Shareholders No. 1/2026 until further notice. The Company will disclose any further progress through the Stock Exchange of Thailand in due course. ______________________________________________________________________ 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.