2. Stock code: DID

3. Name of person discharging managerial responsibility /Director: Bui Thi Anh Vinh

4. Position: Director

5. Securities type: Common stock

6. Number of shares held by the shareholder before transaction: 60,000 shares

7. Nature of transaction: Gift of shares/ transfer/ acquisition through negotiation or continuous order matching/ selling through negotiation or continuous order matching

8. Number of shares registered for sale: 30,000 shares

9. Number of shares disposed: 5,000 shares

10. Number of shares registered for acquisition: 40,000 shares

11. Number of shares acquired: 0 shares

12. Total holding following transaction and total percentage holding following transaction: 55,000 shares

13. (Last) Date of transaction: 04/05/2012 to 31/05/2012