DSH: Notice of transaction of share purchase rights of connected person (Ms. Tran Thi Thuy Duong)

- Name of issuer: Dong Son Infrastructure Investment Joint Stock Company
- Stock code: DSH
- Securities type: Common stock
- Name of person connected with a person discharging managerial responsibility (PDMR)/Director: Ms. Tran Thi Thuy Duong
- Name of PDMR/Director in the listed company: Mr. Tran Minh Dung
- Position in the listed company: Deputy General Manager
- Relation between connected person and PDMR/Director: Sister
- Number of shares held by connected person before transaction: 50,000 shares
- Number of share purchase rights held by connected person: 50,000 rights
- Nature of transaction: sale/acquisition of share purchase rights
- Number of rights to be disposed: 50,000 rights
- Expected holding of share purchase rights after transaction: 0 rights
- Number of shares to be acquired corresponding to the holding of share purchase rights after transaction: 50,000 shares
- Expected Start date of transaction: 10/11/2025
- Expected End date of transaction: 17/11/2025