1) Individual/institutional investor:                                  

       -      Name of organization: HQ Investment Group

       -      Nationality: Vietnamese

       -      Head office address: 81/11 Street 12, Group 3, An Khanh ward, Thu Duc city

2)    Related person (owning the same shares/fund certificates): none

3)    Name of shares/fund certificates/securities codes owned: TCO

4)    Number of trading accounting having shares mentioned in section 3: N/A    

5)    Number, ratio of shares/fund certificates held before trading: 1,867,140 shares (11.16% of outstanding volume)

6)    Number of shares/fund certificates purchased/sold/given/donated/inherited/transferred (which results in a change to the ownership ratio): 1,867,140 shares

7)    Number, ratio of shares/fund certificates held after trading: 0 shares (0% of outstanding volume)

8)    Number, ratio of shares/fund certificates currently held by related persons: 0 shares

9)    Number, ratio of shares/fund certificates held by the same related person after trading: 0 shares

10)         Reasons for change of ownership: selling shares

11)         Date of change of ownership: August 04, 2021

12)         Other important changes (if available): none.