1. Name of individual performing the transaction: Vu Son Thuy

– Internal shareholders  – Position: Member of the Board of Directors

2. Trading stock code: S55

3. Number of shares held before trading: 357,982 shares (equivalent to 3.58%)

4. Number of shares registered for sale: 357,982 shares, equivalent to 3.58%

5. Number of shares sold:  357,982 shares, equivalent to  3.58%

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

7. Transaction method: Negotiable

8. Transaction time: November 23th, 2021.