ISH: Notice of record date for Dividend payment in cash

1. Issuer: IDICO Srok Phu Mieng Hydropower Joint Stock Company
2. Stock code: ISH
3. Par value: VND10,000/share
4. Record date: 03/09/2025
5. Ex-date: 29/08/2025
6. Reason: 
     * Dividend payment in cash 2025: 
          - Exercise rate: 10%/share (Shareholders are entitled to receive VND1,000 for every 01 share they own)
          - Exercise date: 25/09/2025
          - Place of payment: 
               + For deposited shares: securities companies where shares of shareholders have been deposited.
               + For undeposited shares: DICO Srok Phu Mieng Hydropower Joint Stock Company on working days from 25/09/2025. Securities certificate and Identification Card (original copy) are required.