DIH: Notice of record date for dividend payment in cash

1. Issuer: Development Investment Construction Hoi An JSC
2. Stock code: DIH
3. Par value: VND10,000/share
4. Record date: 26/09/2025
5. Ex-date: 25/09/2025
6. Reason:
     * Dividend payment in cash 2024:
          - Exercise rate: 15%/share (01 share can receive VND1,500)
          - Exercise date: 22/10/2025
          - Place of payment:
               + For deposited shares: securities companies where shares of shareholders have been deposited.
               + For undeposited shares: Development Investment Construction Hoi An JSC on working days from 22/10/2025. Securities certificate and Identification Card (original copy) are required. In case of authorization, a proxy with certified seal of the local authority is further requested in addition to the mentioned above.