PARIS, January 26 /PRNewswire-FirstCall/ -- Compagnie Generale de Geophysique (ISIN: FR0000120164; NYSE: GGY) today announces Group backlog of $970 million as of January 1, 2006, up 28 % compared to November 1, 2005 and up 110 % compared to January 1, 2005. Backlog for the CGG Services division as of January 1, 2006 was $758 million, up 112 % year on year. This strong increase comes mainly from the Offshore business unit and reflects the good market conditions prevailing in this sector. Sercel's external backlog as of January 1, 2006 was $212 million, up 93% year on year. Backlog for both Sercel and Services extends into 2007, thereby providing good visibility. The information included herein contains certain forward-looking statements within the meaning of Section 27A of the securities act of 1933 and section 21E of the Securities Exchange Act of 1934. These forward-looking statements reflect numerous assumptions and involve a number of risks and uncertainties as disclosed by the Company from time to time in its filings with the Securities and Exchange Commission. Actual results may vary materially. The Compagnie Generale de Geophysique group is a global participant in the oilfield services industry, providing a wide range of seismic data acquisition, processing and geosciences services and software to clients in the oil and gas exploration and production business. It is also a global manufacturer of geophysical equipment. Contact : Christophe BARNINI +(33)-1-64-47-38-10 / +(33)-1-64-47-38-11 Email: +-1-64-47-38-11, Email: invrel@cgg.com (GGY) DATASOURCE: Compagnie Generale de Geophysique (CGG) CONTACT: Contact: Christophe BARNINI, +(33)-1-64-47-38-10

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