1. Name of individual performing the transaction:

Mr. Dang Tat Thanh – Internal shareholder – Position: Directors

2. Trading stock code: S55

3. Number of shares held before making the transaction: 159,000 shares, equivalent to 1.59%

4. Number of shares registered to buy: 206,300 shares, equivalent to 2.06%

5. Number of shares purchased: 206,300 shares, equivalent to 2.06%

6. Number of shares held after the transaction: 365,300 shares (corresponding to 3,65%)

7. Trading method: Order matching and agreement

8. Transaction time: March 18th, 2025