2. Stock code: TET
3. Name of person discharging managerial responsibility /Director: Nguyen Nhu Lam
4. Position: Chair of the Board
5. Securities type: Common stock
6. Number of shares held by the shareholder before transaction: 253,913 shares (4.45% of charter capital)
7. Nature of transaction: selling through negotiation or continuous order matching
8. Number of shares registered for sale: 100,000 shares
9. Number of shares disposed: 100,000 shares
10. Total holding following transaction and total percentage holding following transaction: 153,913 shares (2.7% of charter capital)
11. Date of transaction: 30/07/2012
