CORRECTION: CGG : Monthly information relating to the number of voting rights and shares issued

This is a correction of the announcement dated 18:28 09.05.2017 CEST. Reason for the correction: modification of the number of voting rights

CGG

A French société anonyme
with a share capital of € 17,706,519
Registered office : Tour Maine Montparnasse
33 avenue du Maine 75015 Paris
Paris Trade and Companies Register 969 202 241

Monthly information relating to the number of voting rights and shares issued

Article 223-16 of the General Regulation of the French market authority

Date of the information	Number of shares issued	Number of theoretical voting rights
April 30, 2017	22,133,149	22,763,922

CGG voting rights April 30 2017

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Source: CGG via GlobeNewswire
HUG#2103616