SGD: Change in shareholding of principal shareholder (Nhat Phuong Trading and Construction Company Limited)

- Name of issuer: Educational Book JSC in Ho Chi Minh City
- Stock code: SGD
- Securities type: common stock
- Name of principal shareholder: Nhat Phuong Trading and Construction Company Limited
- Name of related person: Ngo Trong Quang
- Number of shares held by the principal shareholder before transaction: 133,600 shares (3.3%)
- Number of shares disposed: 133,600 shares
- Total holding following transaction and total percentage following transaction: 0 shares (0%)
- Number, ownership proportion of shares 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 institution after the transactions:193,800 shares (4.79%)
- Purpose of transaction: Personal
- Date of transaction: 26/08/2025