DTA: Change in the ownership ratio of a major shareholder

Change in the ownership ratio of a major shareholder of De Tam Joint Stock Company as follows:

*     Stock symbol: DTA

1.   Trader: Mr. Tran Duc Loi- Chairman of the Board of Directors

-         Current owning volume: 3,000,000 shares (30%)

-         Owning volume before trading: 3,000,000 shares (30%)

-         Volume registered to sell: 1,000,000 shares

-         Owning volume after trading: 2,000,000 shares (20%)

2.   Ms. Pham Thi kim Xuan reports the change in the ownership ratio:

-         Trader: Ms. Pham Thi kim Xuan - Member of the Board of Directors, CEO

-         Current owning volume: 3,000,000 shares (30%)

-         Owning volume before trading: 350,000 shares (3.5%)

-         Volume registered to buy: 1,000,000 shares

-         Owning volume after trading: 1,350,000 shares (13.5%)

HOSE

>   PRUBF1: Trading result of affiliated institution (21/06/2012)

>   PVA: Notice of transactions of Directors, PDMR (Mr. Trieu) (21/06/2012)

>   MAX: Nguyen Thi Hoang Anh no longer principal shareholder (21/06/2012)

>   PVS: Result of transaction of connected institution (Vietnam Petroleum Finance JSC) (21/06/2012)

>   GLT: Notice of transaction of Directors, PDMR (Truong Thai Quang) (21/06/2012)

>   HOM: Result of transactions of Directors, PDMR (Mr. Son) (21/06/2012)

>   HDO: Notice of transaction of Directors, PDMR (Tran Thanh Xuan) (21/06/2012)

>   THG: Change in the ownership ratio of a major shareholder (21/06/2012)

>   GIL: 120620 Trading result of affiliated institution (21/06/2012)

>   GIL: Transaction of affiliated institution (21/06/2012)