CGG

Regulatory Filings • Jan 28, 2014

CGG and Spectrum Commence the Foz do Amazonas Multi-Client Survey offshore Brazil

Paris, France - January 28, 2014

CGG and Spectrum announced today that the acquisition of the high-end BroadSeisTM 3D multi-client survey program offshore Brazil in the Foz do Amazonas Basin has commenced early January as planned. As communicated earlier, the two companies are working as equal partners on this project which has received high prefunding from a number of major industry players.

The 11,330 km² survey is being acquired by the Oceanic Endeavour deploying Sercel's newgeneration Sentinel RD solid streamer. The high-end BroadSeis data set will be processed in CGG's Rio de Janeiro subsurface imaging center.

About CGG

CGG (www.cgg.com) is a fully integrated Geoscience company providing leading geological, geophysical and reservoir capabilities to its broad base of customers primarily from the global oil and gas industry. Through its three complementary business divisions of Equipment, Acquisition and Geology, Geophysics & Reservoir (GGR), CGG brings value across all aspects of natural resource exploration and exploitation. CGG employs over 9,800 people around the world, all with a Passion for Geoscience and working together to deliver the best solutions to its customers.

CGG is listed on the Euronext Paris SA (ISIN: 0000120164) and the New York Stock Exchange (in the form of American Depositary Shares. NYSE: CGG).

Contacts

Group Communications Christophe Barnini Tel: +33 1 64 47 38 11 E-Mail: invrelparis@cgg.com