Mandatory Notification of Trade

May 28, 2009, Oslo, Norway: Petroleum Geo-Services ASA has today in connection with the announced private placement sold 3,625,223 treasury shares at a price of NOK 36,50 per share.
 
Following the transaction, Petroleum Geo-Services ASA owns 181,766 treasury shares.
 

FOR DETAILS, CONTACT:

Tore Langballe, SVP Corporate Communications Phone:   +47 67 51 43 75 Mobile: +47 90 77 78 41   Bård Stenberg, Investor Relations Manager Phone: +47 67 51 43 16 Mobile: +47 99 24 52 35