CKA: Notice of record date for a ballot

1. Issuer: An Giang Mechanical Joint Stock Company
2. Stock code: CKA
3. Par value: VND10,000/share
4. Record date: 10/10/2025
5. Ex-date: 09/10/2025
6. Reason:
     * For a ballot:
          - Exercise rate: 01 share - 01 voting rights
          - Place: The company will announce later
          - Time: The company will announce later
          - Agenda: Obtain written opinions from shareholders on the dismissal and election of additional members of the Board of Supervisors for the 2022-2027 term