Notice of cancellation of transaction by Nguyen Hoang Tri as follows:

1. Trader: Mr. Nguyen Hoang Tri

-       Position in the listed company: a person related to an independent member of the Board of Directors

2. Affiliated person: Ms. Hoang Thi Hoai Linh

-       Position in the listed firm: Independent Member of the Board of Directors  

-       Relation between the trader and the affiliated person: Son

-       Owning volume: 580,034 shares

3. Stock code: CDC
4. Number of owning shares before trading: 0 shares
5. Number of shares registered for purchase: 1,000,000 shares

Mr. Nguyen Hoang Tri would like to cancel the purchase registration of 1,000,000 CDC shares due to the miscalculation.