SGD: Change in shareholding of principal shareholder ( Ngo Anh Thu)

- Name of issuer: Educational Book JSC in Ho Chi Minh City
- Stock code: SGD
- Securities type: common stock
- Name of principal shareholder: Ngo Anh Thu
- Name of related person: Ngo Trong Quang
- Number of shares held by the principal shareholder before transaction: 679,000 shares (16.79%)
- Number of shares disposed: 174,700 shares
- Total holding following transaction and total percentage following transaction: 504,300 shares (12.47%)
- Number, ownership proportion of shares/ fund certificates currently held by the related person:193,800 shares (4.79%)
- Number, ownership proportion of shares/ fund certificates held by individual/ organization investor together with related persons/institution after the transactions:698,100 shares (17.27%)
- Purpose of transaction: Personal
- Date of transaction: 26/08/2025