CSI: Notice of transaction of Directors, PDMR (Li You Mu)

- Name of issuer: Vietnam Construction Securities Joint Stock Company
- Stock code: CSI
- Name of person discharging managerial responsibility /Director: Li You Mu
- Position in the listed company: Member of the Board
- Number of shares held by the shareholder before transaction: 4,320,000 shares (25.71%)
- Nature of transaction: negotiation
- Number of shares to be disposed: 4,320,000 shares
- Reason for transaction: personal reason
- Expected Start date of transaction: 17/09/2025
- Expected End date of transaction: 15/10/2025