HEC: Change in shareholding of principal shareholder (Nguyen Ngoc Duy)

- Name of issuer: Hydraulic Engineering Consultant Corporation II
- Stock code: HEC
- Securities type: common stock
- Name of principal shareholder: Nguyen Ngoc Duy
- Number of shares held by the principal shareholder before transaction: 699,500 shares (11.66%)
- Number of shares disposed: 380,860 shares
- Total holding following transaction and total percentage following transaction: 318,640 shares (5.31%)
- Date of transaction: 05/10/2023
- Purpose of transaction: Decrease the shareholding