CGG Acquires More Than 90% of the Votes of Exploration Resources

Compagnie Generale de Geophysique has acquired 1,766,953 shares in Exploration Resources ASA, at a purchase price of NOK 340 per share.

As announced on August 29, 2005, CGG has previously acquired approximately 60 percent of the shares in the company, also at a price of NOK 340 per share. Following the purchase of today, CCG holds in aggregate 5,833,603 shares in Exploration Resources, corresponding to approximately 88.35 percent of the issued shares. Adjusted for treasury shares CGG holds approximately 90.02 percent of the votes in Exploration Resources.

Exploration Resources is listed on Oslo Børs under the ticker code "EXRE".