CGG

Report Publication Announcement • Oct 14, 2013

CGG Announces Its Third Quarter 2013 Results and Conference Call on Thursday November 7th, 2013

Paris, France – October 14, 2013

CGG will announce its third quarter 2013 results before the opening of the Paris and New York stock exchanges on Thursday, November 7 th , 2013.

Third Quarter 2013 Results Agenda

• A press release will be available on our website www.cgg.com at 8:00 am on this date.
• An English language conference call is scheduled at 10:00 am (Paris time) 9:00 am (London time)

To take part in the English language conference, simply dial 5 to 10 minutes prior to the scheduled start time the following numbers:

US Toll Free	1-877-317-6789
International call-in	1-412-317-6789
Replay	1-877-344-7529 & 1-412-317-0088
Conference number (replay)	10024660

Copies of the presentation will be posted on the Company website and can be downloaded prior to the conference.

The conference call will be broadcast live on CGG website www.cgg.com and a replay will be available 1 hour after the end of the conference through November 22, 2013.

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).

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