TOS: Notice of transaction of Directors, PDMR (Tran Tuan Dzung)

- Name of issuer: Tan Cang Offshore Services Joint Stock Company
- Stock code: TOS
- Name of person discharging managerial responsibility /Director: Tran Tuan Dzung
- Position in the listed company: Chief Financial Officer
- Number of shares held by the shareholder before transaction: 9,400 shares (0.03%)
- Nature of transaction: Order matching & negotiation
- Number of shares to be disposed: 9,400 shares
- Reason for transaction: Portfolio structure
- Expected Start date of transaction: 29/08/2025
- Expected End date of transaction: 26/09/2025