S12: Notice of record date for Annual General Meeting of Shareholders 2026

1. Issuer: Song Da No 12 Joint Stock Company
2. Stock code: S12
3. Par value: VND10,000/share
4. Record date: 05/05/2026
5. Ex-date: 04/05/2026
6. Reason:
     * Annual General Meeting of Shareholders 2026
          - Exercise rate: 01 share - 01 voting rights
          - Exercise date: (Expected) 18/06/2026
          - Place: Headquarters of Song Da No 12 Joint Stock Company, V5A-01 Van Phu Urban Area, Kien Hung Ward, Hanoi City
          - Agenda: Issues within the purview of the Annual General Meeting of Shareholders 2026