SDH: Notice of share repurchase for treasury stock

Song Da Infrastructure Construction Joint Stock Company (HNX: SDH) to repurchase shares for treasury stock as follows:

1. Name of issuer: Song Da Infrastructure Construction Joint Stock Company

2. Head Office: Ground, SICO building, Phu My village, My Dinh Ward, Tu Liem District, Hanoi

3. Charter capital: VND 209,500,000,000

4. Stock code: SDH

5. Securities type: Common stock

6. Number of current treasury shares: 445,000 shares

7. Number of shares to be repurchase: 1,600,000 shares

8. Purpose: For Treasury Stock, adjusting capital structure and improving financial index of the Company

9. Resource for repurchase: Profit after tax

10. Tender price: Market price

11. Expected date for repurchase: From 28/04/2011 to 27/07/2011

12. Trading method: Acquisition through continuous order matching

13. Authorized securities company: Thang Long Securities Joint Stock Company.

hnx

>   KSD: Director registered to buy and sell 1,000,000 shares (27/04/2011)

>   KSD: Chair of the Board registered to buy and sell 1,600,000 shares (27/04/2011)

>   KKC: Director bought 50,000 shares (27/04/2011)

>   KKC: Director registered to buy 50,000 shares (27/04/2011)

>   VCG: Market Vectors ETF Trust – Market Vectors – Vietnam ETF bought 59,900 shares (27/04/2011)

>   VC6: Chair of the Board registered to buy 65,000 shares (27/04/2011)

>   VTV: Chief Accountant bought 56,900 shares (27/04/2011)

>   VCG: Market Vectors ETF Trust - Market Vectors - Vietnam ERF registered to buy and sell 17,500,000 shares (27/04/2011)

>   BTH: Mr. Ngan bought 2,900 shares (27/04/2011)

>   BTH: Mr. Ngan registered to buy 10,000 shares (27/04/2011)