MFS: Notice of record date for Extraordinary General Meeting of Shareholders 2025

1. Issuer: MobiFone Service JSC
2. Stock code: MFS
3. Par value: VND10,000/share
4. Record date: 21/08/2025
5. Ex-date: 20/08/2025
6. Reason:
     * Extraordinary General Meeting of Shareholders 2025
          - Exercise rate: 01 share - 01 voting rights
          - Place: Meeting room of MobiFone Service JSC, 3rd floor, TTC building, 19 Duy Tan, Cau Giay ward, Hanoi city
          - Agenda: Seeking shareholders' opinions to approve the following issues:
+ To allow Mr. Dinh Trong Nghia to cease participating in the Company's Supervisory Board;
+ Electing additional members of the Company's Supervisory Board;
+ Other contents under the authority of the Company's General Meeting of Shareholders.
           - Time: September 18, 2025