PVD: Personnel change

Petrovietnam Drilling and Well Services Joint Stock Company (HOSE: PVD) a personnel change as follows:

• Mr. Trinh Thanh Binh was appointed as Deputy BOD as from May 01, 2011.

• Approving the resignation Mr. Ho Vu Hai from the positions of Deputy CEO and Director of Petrovietnam Drilling and Well Services Joint Stock Company as May 01, 2011

hose

>   VID: Personnel change (18/05/2011)

>   VPL: Personnel change (18/05/2011)

>   KVS: Personnel change (18/05/2011)

>   VC5: Management Change (17/05/2011)

>   ECC: Changes in the Board of Directors (17/05/2011)

>   VSEC: Change of BOD Chairman (12/05/2011)

>   LSS: Personnel change (12/05/2011)

>   SRC: Resolution of the Board of Directors (10/05/2011)

>   HSI: Appointment of Deputy Director General (09/05/2011)

>   OPC: Personnel Assignment (09/05/2011)