1. Name of individual performing the transaction:

– Mr. Dang Quang Dat – Internal shareholder  – Position: Member of the Board of Directors

2. Trading stock code: S55

3. Number of shares held before trading: 1,534,306.0 shares (equivalent to 15.34%)

4. Number of shares sold: 1,534,306.0 shares (equivalent to 15.34%)

5. Number of shares held after performing the transaction: 00 shares (corresponding to 00%)

6. Transaction date: From May 08th, 2023 to May 10th, 2023