VIX: Mr. Thuc bought 5,660,000 shares

Mr. Bui Xuan Thuc 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: 0 share

4. Number of shares acquired: 5,660,000 shares

5. Total holding following transaction and total percentage following transaction: 5,660,000 shares (18.86% of Charter capital)

6. Date of transaction: 30/03/2011.

hnx

>   VIX: Ms. Vui bought 7,144,960 shares (04/04/2011)

>   PCG: General Manager registered to buy 40,000 shares (04/04/2011)

>   NPS: Chief Accountant registered to buy 20,000 shares (04/04/2011)

>   ALV: Ms. Thuy sold 3,000 shares (04/04/2011)

>   VIX: Mr. Thuy bought 7,140,000 shares (04/04/2011)

>   VIX: Thien An Trading Investment and Development JSC sold 542,700 shares (04/04/2011)

>   VIX: Vincom JSC sold 22,500,000 shares (04/04/2011)

>   VIX: Ms. Vu bought 5,400,000 shares (04/04/2011)

>   V12: Mr. Tu registered to sell 5,000 shares (31/03/2011)

>   TSM: Board resolution (31/03/2011)