Notification Letter to Non-Registered Shareholders - Notice of Publication of 2026 Interim Report, New Arrangement on Dissemination of Corporate Communications and Reply Form

(Incorporated in Hong Kong with limited liability under the Companies Ordinance) （根據公司條例於香港註冊成立之有限公司） The holding company of Dah Sing Bank, Limited 大新銀行有限公司之控股公司 (Stock Code 股份代號: 2356) 22 September 2026 Dear Non-Registered Shareholder(Note 1), - Notice of Publication of 2026 Interim Report and New Arrangement on Dissemination of Corporate Communications The English and Chinese versions of the 202