S99: Notice of transactions of principal shareholders

1. Name of principal shareholder: Song Da No 9 JSC

2. Name of stock held: S99

3. Securities type: Common stock

4. Number of shares held by principal shareholders: 778,600 shares (26.2% of the charter capital)

5. Number of shares to be disposed: 183,800 shares

6. Total holding following transaction: 594,800 shares (20% of the charter capital)

7. Date of transaction: From 2/10/2008 to 4/11/2008

HaSTC

>   HASTC Notice: Admission in principle of listing of VNECO.SSM Steel Structure Manufacture JSC (01/10/2008)

>   HASTC Notice: COKYVINA Services and Construction Joint Stock Company applies for listing (01/10/2008)

>   TMC: Business result in August 2008 (01/10/2008)

>   PAC: Trading of affiliated person (Ms Chi) (01/10/2008)

>   PAC: Trading result (Pham Kieu Diem) (01/10/2008)

>   HDC: Trading Result of Major Shareholder (01/10/2008)

>   SFI: Trading result (Pham Si Nhuong) (01/10/2008)

>   VFMVF1: Trading Result of Major Shareholder (01/10/2008)

>   FBT: Trading of affiliated person (01/10/2008)

>   TDH: Approval for additional listing (01/10/2008)