PSN: Notice of record date for Annual General Meeting of Shareholders 2025

1. Issuer: PTSC Thanh Hoa Technical Services Company
2. Stock code: PSN
3. Par value: VND10,000/share
4. Record date: 21/03/2025
5. Ex-date: 20/03/2025
6. Reason:
     * Annual General Meeting of Shareholders 2025
          - Exercise rate: 01 share - 01 voting rights
          - Place: Head office of PTSC Thanh Hoa Technical Services Company, No. 268 Tran Nhat Duat, Truc Lam ward, Nghi Son town, Thanh Hoa province
          - Agenda: According to the provisions of law and the Company's Charter; The Company will have notices and documents sent to shareholders.
           - Time: Expected on April 21, 2025