PVD: Change in the ownership ratio of a major shareholder

Petrovietnam Drilling and Well Services JSC (HOSE: PVD), reports the change in the ownership ratio:

• Stock symbol: PVD

• Trader: Deutsche Bank AG London

• Owning volume before trading: 10,500,632 shares (5%)

• Sold volume: 15,700 shares

• Owning volume after trading: 10,484,932 shares (4.999%)

• Trading method: Order matching

• Trading period: August 08, 2011.

HOSE

>   PXS: Trading result and transaction of major shareholder (11/08/2011)

>   TNT: Mr. Long registered to buy 800,000 shares (12/08/2011)

>   STB: Mr. Jui bought 30,672,482 shares (11/08/2011)

>   DTL: Result of share buyback (11/08/2011)

>   GMD: Deutsche Bank AG London transaction result (11/08/2011)

>   KHA: Ms. Anh bought 4,000 shares (12/08/2011)

>   RAL: Mr. Thang transaction result and notice (12/08/2011)

>   VFC: Violation of information disclosure of an inside person (12/08/2011)

>   VNI: Result of share buyback (12/08/2011)

>   BBS: Mr. Dat registered to buy 20,000 shares (12/08/2011)