DS3: Result of transaction of principal shareholder (Hoang Ha Phuong)

- Name of issuer: Riverway Management Joint Stock No.3
- Stock code: DS3
- Securities type: common stock
- Name of principal shareholder: Hoang Ha Phuong
- Number of shares held by the principal shareholder before transaction: 1,536,100 shares (14.4%)
- Number of shares acquired: 904,600 shares
- Total holding following transaction and total percentage following transaction: 2,440,700 shares (22.87%)
- Purpose of transaction: Increasing of holding shares
- Date of transaction: 13/02/2023