ABB: Notice of record date for a ballot

1. Issuer: An Binh Commercial Joint Stock Bank
2. Stock code: ABB
3. Par value: VND10,000/share
4. Record date: 23/12/2025
5. Ex-date: 22/12/2025
6. Reason:
     * For a ballot:
          - Exercise rate: 01 share - 01 voting rights
          - Expected exercise date: From December 25, 2025 to January 5, 2026
          - Content of the ballot: Seeking shareholder opinions on the formula for calculating the number of shares to be distributed to each participant in the employee stock option program (ESOP) issued by ABBANK.
 (Details are in the notice sent to shareholders and the opinion-gathering documents published on ABBANK's website at www.abbank.vn).