THU: Notice of record date for dividend payment in cash

1. Issuer: Thanh Hoa Urban Environment and Works Joint Stock Company
2. Stock code: THU
3. Par value: VND10,000/share
4. Record date: 16/09/2025
5. Ex-date: 15/09/2025
6. Reason:
     * Dividend payment in cash 2024:
          - Exercise rate: 6.16%/share (shareholders receive VND616 for every share they own)
          - Exercise date: 29/09/2025
          - Place of payment:
               + For deposited shares: Securities companies where shares of shareholders have been deposited.
               + For undeposited shares: Thanh Hoa Urban Environment and Works Joint Stock Company on working days from 29/09/2025. Securities certificate and Identification Card (original copy) are required.