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911 GROUP JOINT STOCK COMPANY THE SOCIALIST REPUBLIC OF VIETNAM Independence - Freedom - Happiness No : 2808 / 2026 / CBTT - 911 PERIODIC INFORMATION DISCLOSURE To : - Vietnam Exchange ; Hanoi , August 28 , 2026 - Hochiminh Stock Exchange . 1. Name of organization : 911 Group Joint Stock Company - Stock code : NO1 - Address of the Head Office : Phu Duc 1 Hamlet , Phu Dong Commune , Hanoi City , Vietnam . - Tel : 0944.911.911 - E - mail : info@911group.com.vn - Website : https://911group.com.vn 2. Contents of disclosure : Fax : None The Reviewed Semi - Annual Consolidated and Separate Financial Statements for 2026 and the accompanying explanations of 911 Group Joint Stock Company . ( Details are provided in the attached file . ) 3. This information was published on the company's website on August 28 , 2026 as in the link : https://911group.com.vn/cong-bo-thong-tin We hereby certify that the information provided is true and correct and we bear the full responsibility to the law . Recipients : - As above ; Archived : Clerical Office , Office of the Board of Directors . Attached documents : The Reviewed Semi - Annual Consolidated and Separate Financial Statements for 2026 and the accompanying explanations of 911 Group Joint Stock Company 1 AUTHORIZED PERSON TO DISCLOSE M.S. INFORMATION CÔNG TY CỔ PHẦN TAP DOAN 011 THANH PHO HANOL HOANG SON DẠNG