PET: Information disclosure violation

The following is the violation of information disclosure requirement of an affiliated person:

Mr. Nguyen Quoc Khanh, younger brother of Mr. Nguyen Cao Ky – a member off the Supervisory Board of Petrovietnam General Services Corporation bought 650 PET shares on October 21, 2011 without announcement.

HOSE

>   TMS: Transaction of affiliated institution (17/11/2011)

>   SBS: Shareholder ownership changes (17/11/2011)

>   TMS: Transaction of inside shareholder (17/11/2011)

>   THG: Mr. Hoa registered to buy 800,000 shares (17/11/2011)

>   UIC: Ms. Dung bought 20,000 shares (17/11/2011)

>   TMS: Trading Result of Major Shareholder (17/11/2011)

>   MPC: Transaction of affiliated institution (16/11/2011)

>   SBS: Trading result of major shareholder (17/11/2011)

>   MPC: Trading result of affiliated institution (17/11/2011)

>   MCG: Trading result of affiliated institution (17/11/2011)