MANDATORY NOTIFICATION OF TRADE


Gottfred Langseth, Executive Vice President & CFO of Petroleum Geo-Services ASA, has on October 28, 2008 bought 18,000 shares in Petroleum Geo-Services ASA at a price of NOK 26.69 per share.
 
Following the transaction, Gottfred Langseth owns 26,031 shares and 90,000 stock options in Petroleum Geo-Services ASA.