SZE: Notice of record date for dividend payment in cash

1. Issuer: SONADEZI ENVIRONMENT JOINT STOCK COMPANY
2. Stock code: SZE
3. Par value: VND10,000/share
4. Record date: 24/09/2025
5. Ex-date: 23/09/2025
6. Reason:
     * Dividend payment in cash 2024:
          - Exercise rate: 8%/share (shareholders receive VND800 for every share they own)
          - Exercise date: 16/10/2025
          - Place of payment:
               + For deposited shares: Securities companies where shares of shareholders have been deposited.
               + For undeposited shares:  Accounting & Finance Department - SONADEZI ENVIRONMENT JOINT STOCK COMPANY (No 12, Huynh Van Nghe Street, Tran Bien Ward, Dong Nai Ward) on working days from 16/10/2025. Identification Card/Passport is required.