VC1: Notice of record date for EGM 2025

1. Issuer: Construction JSC No 1
2. Stock code: VC1
3. Par value: VND10,000/share
4. Record date: 30/06/2025
5. Ex-date: 27/06/2025
6. Reason:
     * Extraordinary General Meeting 2025
          - Exercise rate: 01 share - 01 voting rights
          - Date: Expected on 31/07/2025
          - Place: Head office in Vinaconex 1 Hi-end Office and Residential Area, No. 289A Khuat Duy Tien Street, Trung Hoa Ward, Cau Giay District, Hanoi
          - Agenda:
+ Proposal on adjusted investment plan of the Vinaconex 1 Mixed-use building at D9 Plot, Khuat Duy Tien Street, North Thanh Xuan Ward, Thanh Xuan District, Hanoi;
+ Proposal on cooperation with Vinaconex Corporation on the project of Vinaconex 1 Mixed-use building at D9 Plot, Khuat Duy Tien Street, North Thanh Xuan Ward, Thanh Xuan District, Hanoi;
+ Other issues under the authority of the General Meeting (if any).