V21: Notice of record date for AGM 2025

1. Issuer: Vinaconex 21 JSC
2. Stock code: V21
3. Par value: VND10,000/share
4. Record date: 17/03/2025
5. Ex-date: 14/03/2025
6. Reason:
     * Annual General Meeting 2025
          - Exercise rate: 01 share - 01 voting rights
          - Date: 8.30am, 24/04/2025
          - Place: 3rd Floor, Vinaconex 21 Tower, Ba La Street, Phu La Ward, Ha Dong District, Hanoi
          - Agenda: Issues under the authority of the General Meeting and Company's Charter