MTH: Notice of record date for dividend payment in cash

1. Issuer: Ha Dong Environment Public Service Joint Stock Company
2. Stock code: MTH
3. Par value: VND10,000/share
4. Record date: 25/05/2026
5. Ex-date: 22/05/2026
6. Reason:
     * Dividend payment in cash:
          - Payment method: Dividend payment in cash 2025
          - Exercise rate: 8% per share (VND800 per share)
          - Exercise date: 01/06/2026
          - Place of payment:
               + For deposited shares: securities companies where shares of shareholders have been deposited.
               + For undeposited shares: Ha Dong Environment Public Service Joint Stock Company on working days from 01/06/2026. Citizen Identification Card or Identification Card (original copy) is required.