2. Stock code: SDH
3. Securities type: common stock
4. Name of person discharging managerial responsibility /Director: Mr. Vu Ngoc Long
5. Position in the listed company: Deputy General Manager
6. Number of shares held by the shareholder before transaction: 9,000 shares (0.04%)
7. Number of shares to registered for sale: 9,000 shares
8. Number of shares disposed: 6,000 shares
9. Total holding following transaction: 3,000 shares (0.02%)
10. Reason for uncompleted transaction: not announced
11. Start date of transaction: 16/04/2012
12. End date of transaction: 15/06/2012.