Mandatory Offer

CGGVeritas Announces the Launch of its Mandatory Offer for all Remaining Wavefield Shares for an Offer Price of NOK 15. 17 per Share The Offer will be Open from December 30, 2008 until January 27, 2009 Paris, December 30, 2008 - CGGVeritas (ISIN: 0000120164 – NYSE: CGV) announced today that it launched a mandatory offer (the “Offer”) for the 38,903,024 shares of Wavefield Inseis (“Wavefield”) (OSE: WAVE) (representing 30.

AFEP-MEDEF Recommendations

Compagnie Générale de Géophysique - Veritas Public Company with a registered capital of € 60,247,083 Registered Office : Tour Maine Montparnasse, 33 avenue du Maine – 75 015 Paris Trade Register Paris No. 969 202 241 RCS Paris AFEP-MEDEF RECOMMENDATIONS During its meeting held on December 19, 2008, the Board of Directors reviewed the AFEP-MEDEF recommendations dated October 6, 2008 concerning compensation for executive officers of French-listed companies.

CGG Partners With 'The Earth and Us' Exhibition

Paris, 16 December 2008 2008 is the International Year of Planet Earth (IYPE), a joint initiative of the United Nations Educational Scientific and Cultural Organization (UNESCO) and the International Union of Geological Sciences (IUGS). This initiative combines the energies of all parties involved around the importance of geoscience and its contribution to a better society as well as to sustainable development.

Sercel Acquires Quest Geo

Paris, December 15, 2008 CGGVeritas (ISIN: 0000120164 – NYSE: CGV) announced today that its subsidiary Sercel has entered into a private transaction to purchase all existing shares in Quest Geo Solutions Limited (“Quest”), a UK-based software company, for a cash consideration. The acquisition continues to broaden Sercel’s product offering and comes as a logical extension to the existing partnership between the two companies, whereby Sercel distributes Quest navigation software such as Triggerfish and Geometis.

CGG Announces the Success of its Voluntary Exchange Offer for Wavefield and Declares it Unconditional

69. 7% of Wavefield Shares have been Tendered CGGVeritas Will Launch a Mandatory Offer for all Remaining Shares of Wavefield not Tendered to the Voluntary Exchange Offer Paris, December 15, 2008 CGGVeritas (ISIN: 0000120164 – NYSE: CGV) announced today the success of its voluntary exchange tender offer (the “Offer”) made for all the shares of Wavefield Inseis ASA (“Wavefield”) (OSE: WAVE) that closed on December 12, 2008 and declared the Offer unconditional.

CGG Announces the Clearance of its Voluntary Exchange Tender Offer for Wavefield Inseis by the Norwegian Competition Authority

Paris, December 5, 2008 CGGVeritas (ISIN: 0000120164 – NYSE: CGV) announced today the clearance by the Norwegian Competition Authority relating to its voluntary exchange tender offer for Wavefield Inseis (OSE: WAVE). On November 10, 2008, CGGVeritas announced its voluntary exchange tender offer for 100% of the shares of Wavefield Inseis.