SGD: Notice of transaction of Directors, PDMR (Ngo Thi Thu Huyen)

- Name of issuer: Educational Book JSC in Ho Chi Minh City
- Stock code: SGD
- Name of person discharging managerial responsibility /Director: Ngo Thi Thanh Huyen
- Position in the listed company: Chief of Supervisory Board
- Number of shares held by the shareholder before transaction: 142,750 shares (3.53%)
- Nature of transaction: order matching & negotiation
- Number of shares to be disposed: 142,700 shares
- Reason for transaction: Personal
- Expected Start date of transaction: 25/08/2025
- Expected End date of transaction: 23/09/2025