PVD: Violation of information disclosure of an affiliated person and inside shareholder

Violation of information disclosure requirement of an inside trading in Petrovietnam Drilling and Well Services Joint Stock Company (HOSE: PVD) as follows:

• Stock symbol: PVD

• Mr. Hoang Ngoc Thanh (Husband of Ms. Kieu Thi Hoai Minh – a Member of the BOD)was late in reporting the trading result of PVD stock after registering to trade onNovember 24, 2010

• Ms. Kieu Thi Hoai Minh – a Member of the BODwas late in reporting the trading result of PVD stock after registering to trade onNovember 24, 2010.

hose

>   TCM: Decision on additional listing (10/03/2011)

>   DRH: DRH to buy back stock (10/03/2011)

>   ITC: The record date for the 2011 annual shareholders’ meeting (10/03/2011)

>   HVG: HVG to buy back stock (10/03/2011)

>   MHC: Violation of information disclosure of major shareholder (10/03/2011)

>   HSG: Resolution on share buyback (10/03/2011)

>   SSI: Trading result of treasury stock (10/03/2011)

>   HMC: Ms. Vo Thi Kim Lien registered to sell 900 shares (10/03/2011)

>   Kirin Holdings: Now Indirectly Hold 57% Stake In Vietnam's Interfood (10/03/2011)

>   VCG: Chief Accountant registered to buy 100,000 shares (10/03/2011)