ACV: Notice of record date for a ballot

1. Issuer: Airports Corporation of Vietnam - JSC
2. Stock code: ACV
3. Par value: VND10,000/share
4. Record date: 05/12/2025
5. Ex-date: 04/12/2025
6. Reason:
     * For a ballot:
          - Exercise rate: 01 share - 01 voting rights
          - Expected exercise date: In December 2025
          - Content of the ballot: Issues under the authority of the General Meeting of Shareholders in the form of voting to obtain shareholders' opinions in writing according to the provisions of law and the Charter of Vietnam Airports Corporation - JSC