HJS: Notice of record date for Dividend payment in cash

1. Issuer: Nam Mu Hydropower JSC
2. Stock code: HJS
3. Par value: VND10,000/share
4. Record date: 15/10/2025
5. Ex-date: 14/10/2025
6. Reason:
      * 2nd Dividend payment in cash 2024:
          - Exercise rate: 5%/share (shareholders receive VND500 for every 01 share they own)
          - Exercise date: 24/10/2025
          - Place of payment:
               + For deposited shares: securities companies where shares of shareholders have been deposited.
               + For undeposited shares: Nam Mu Hydropower JSC on working days from 24/10/2025 (Tan Thang village, Tan Quang commune, Tuyen Quang province). Securities certificate and Identification Card (original copy) are required.