XMC: Notice of record date for a ballot

1. Issuer: Vinaconex Xuan Mai Concrete & Construction JSC
2. Stock code: XMC
3. Par value: VND10,000/share
4. Record date: 15/12/2025
5. Ex-date: 12/12/2025
6. Reason:
     * For a ballot:
          - Exercise rate: 01 share - 01 voting rights
          - Content of the ballot: Approve a number of issues under the authority of the General Meeting of Shareholders in accordance with the Company's Charter. The detailed content of the written opinion collection will be announced by the Company later.
          - Expected exercise date: 19/12/2025 - 29/12/2025
          - Place: Headquarters of Vinaconex Xuan Mai Concrete & Construction JSC.