POB: Notice of record date for a ballot

1. Issuer: Thai Binh PetroVietnam Oil Joint Stock Company
2. Stock code: POB
3. Par value: VND10,000/share
4. Record date: 22/09/2025
5. Ex-date: 19/09/2025
6. Reason:
     * For a ballot:
          - Exercise rate: 01 share - 01 voting rights
          - Content of the ballot:
+ Obtain written opinions from shareholders to approve the Resolution of the General Meeting of Shareholders on the addition of business lines.
+ Other issues (if any).
          - Expected exercise date: 10/08/2025