SZE: Notice of record date for a ballot

1. Issuer: SONADEZI ENVIRONMENT JOINT STOCK COMPANY
2. Stock code: SZE
3. Par value: VND10,000/share
4. Record date: 29/08/2025
5. Ex-date: 28/08/2025
6. Reason:
     * For a ballot:
          - Exercise rate: 01 share - 01 voting rights        
          - Expected exercise date: Announced later
          - Place: Headquarter of Sonadezi Environment Joint Stock Company - No. 12, Huynh Van Nghe Street, Tran Bien Ward, Dong Nai Province
          - Content of the ballot:
+ Adjusting the production and business plan 2025;