DSD: Notice of record date for Extraordinary General Meeting of Shareholders 2025, bonus share issue to outstanding shareholders

1. Issuer: DHC Suoi Doi Corporation
2. Stock code: DSD
3. Par value: VND10,000/share
4. Record date: 18/09/2025
5. Ex-date: 17/09/2025
6. Reason:
     * Bonus share issue to outstanding shareholders:
          - Exercise rate: 100:23,9915 (Người sở hữu 100 cổ phiếu được nhận 23,9915 cổ phiếu mới)
          - Rounding method, handling of shares representing less than one unit: 
The number of shares each Shareholder receives when issuing shares to increase share capital from equity will be rounded to the nearest unit according to the rounding down principle. The odd number of shares (decimal parts) (if any) will be canceled and not issued.
For example, shareholder Nguyen Van A owns 182 shares; shareholder A will receive additional issued shares calculated as follows: (182: 100) * 23.9915 = 43.66453 shares. Shareholder Nguyen Van A will receive 43 new shares (odd shares of 0.66453 will be canceled)
          - Exercise place:
               + For undeposited shares: DHC Suoi Doi Corporation on working days. Citizen Identification Card and Identification Card (original copy) is required.
               + For deposited shares: securities companies where shares of shareholders have been deposited.
     * Extraordinary General Meeting of Shareholders 2025:
          - Exercise rate: 01 share - 01 voting rights
          - Agenda:
+ Approval of the content of adjusting the investment policy for the joint project to expand the Nui Than Tai Hot Spring Park.
+ Approval of the investment in the social housing project at land lot A2-4 Ngu Hanh Son street and the road to Tien Son bridge.
+ Approval of the contents under the authority of the Shareholders' Meeting.
          - Place: Nui Than Tai Hot Spring Park Meeting Room
          - Expected time: 01 day – expected on 10/16/2025.