VIX: New principal shareholder (Ms. Sau)

Ms. Hoang Thi Sau has become principal shareholder of Vincom Securities Joint Stock Company (HNX: VIX) with information as follows:

1. Name of trading institution: Vincom Securities Joint Stock Company

2. Name of stock held: VIX

3. Number of shares held by trading institution before transaction: 1,200,000 shares

4. Number of shares acquired: 1,750,000 shares

5. Total holding following transaction and total percentage following transaction: 2,950,000 shares (9.83% of Charter capital)

6. Date of transaction: 04/03/2011.

hnx

>   HEV: Result of transaction of principal shareholder (Viet Nam Education Publishing House) (16/03/2011)

>   EID: Result of transaction of principal shareholder (Viet Nam Education Publishing House) (16/03/2011)

>   EFI: Result of transaction of principal shareholder (Viet Nam Education Publishing House) (16/03/2011)

>   ECI: Result of transaction of principal shareholder (Viet Nam Education Publishing House) (16/03/2011)

>   EBS: Result of transaction of principal shareholder (Viet Nam Education Publishing House) (16/03/2011)

>   TBX: Ms. Ngan sold 1,000 shares (16/03/2011)

>   VIX: Ms. Ngan registered to sell 5,400,000 shares (16/03/2011)

>   VIX: Mr. Trung registered to buy 3,000,000 shares (16/03/2011)

>   BTH: VEC registered to buy 40,000 shares (16/03/2011)

>   TIG: Notice of record date for annual general meeting of shareholders (16/03/2011)