Right adjustment of DW / No right adjustment of DW Subject : Adjustment Symbol : ICHI01C2602A The Full name : DERIVATIVE CALL WARRANTS ON ICHITAN GROUP PUBLIC COMPANY LIMITED ISSUED BY BUALUANG SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN FEBRUARY 2026 # A Before Exercise Price (THB/share) : 16.00 After Exercise Price (THB/share) : 15.254 Before Adjustment Exercise Ratio (DW : : 3.81023 : 1 share) After Adjustment Exercise Ratio (DW : : 3.63266 : 1 share) After Adjustment Exercise Ratio : 0.27528 (Calculate) The reason for adjustment : To ensure that the benefits of the Derivative Warrant holders are not less than the existing status according to formula which is specified in the Term and Condition of Derivative Warrant issuers and Derivative Warrant holders. The reasons for adjustment of this event are as follows: - dividend payment Effective Date : 27-Aug-2025 Authorized Persons to Disclose : Mr.Chaiyaporn Nompitakcharoen Information Position : Managing Director of Sales & Trading Business ______________________________________________________________________ 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.