DSH: Result of transactions of share purchase rights of Directors, PDMR (Mr. Tran Minh Dung)

- Name of issuer: Dong Son Infrastructure Investment Joint Stock Company
- Stock code: DSH
- Name of person discharging managerial responsibility/Director: Mr. Tran Minh Dung
- Position in the listed company: Deputy General Manager
- Number of shares held by the shareholder before transaction: 50,000 shares
- Number of share purchase rights held by the shareholder: 50,000 rights
- Nature of transaction: acquisition of share purchase rights
- Number of rights acquired: 50,000 rights
- Number of shares to be acquired corresponding to the holding of share purchase rights after transaction: 175,000 shares
- Start date of transaction: 17/11/2025
- End date of transaction: 17/11/2025