STP: Results of transactions of principal shareholders

1. Name of principal shareholder: Song Da 12 JSC

2. Name of stock held: STP

3. Securities type: Common stock

4. Number of shares held by principal shareholders: 277.820 shares (7,94% of the charter capital)

5. Number of shares disposed: 45.800 shares.

6. Nature of transaction: Quotation

7. Purpose of transaction: Restructure portfolio

8. Total holding following transaction: 232.020 shares (6,63% of the charter capital).

9. Time of transaction: by 10/09/2008

HaSTC

>   HASTC Notice: Admission in principle of listing of Vinacomin Cao Son Coal JSC (15/09/2008)

>   SD2: Plan of private placement (15/09/2008)

>   HYCO 4 : Information of Auction Registration (15/09/2008)

>   Stock market suffers under large sell offs (15/09/2008)

>   Market could fall further before rebounding: analyst (15/09/2008)

>   VDSC: Sets up order-receiving agency (15/09/2008)

>   SHC: Trading result (Hoang Van Khuong) (15/09/2008)

>   MHC: Implementation of resolution of the shareholders’ meeting (15/09/2008)

>   RHC: Trading of funds (15/09/2008)

>   TTP: Business result in August 2008 (15/09/2008)