SDT: Result of transaction of principal shareholder

SDT announces the result of transaction of principal shareholder as follows:

- Name of issuer: Song Da No.10 JSC

- Stock code: SDT

- Name of principal shareholder: Viet Fund Management

- Securities type: Common stock

- Number of shares held by the principal shareholder before transaction: 723,800 shares (6.21% of Charter Capital)

- Number of shares disposed: 8,200 shares

- Number of shares acquired: 9,400 shares

- Total holding and total percentage holding following transaction: 725,000 shares (6.22% of Charter Capital)

- Date of transaction: From 24/5/2010 to 24/7/2010.

hnx

>   SDT: Notice of transaction of principal shareholder (28/07/2010)

>   L35: Notice of transaction of Directors, PDMR (Mr. Minh) (28/07/2010)

>   IDV: Result of transaction of connected person (Ms. Huong) (28/07/2010)

>   IDV: Result of transactions of Directors, PDMR (Mr. Thi) (28/07/2010)

>   IDV: Result of transactions of Directors, PDMR (Mr. Ha) (28/07/2010)

>   HUT: Explanation for the change of 799.31% in operating result in QII- 2010 (28/07/2010)

>   SHN: Result of transactions of Directors, PDMR (28/07/2010)

>   SHN: Notice of transactions of share purchase rights of Directors, PDMR (28/07/2010)

>   TKC: Notice of transaction of share purchase rights of connected person (28/07/2010)

>   SHN: Notice of transactions of share purchase rights of Directors, PDMR (28/07/2010)