CGG to Offer Senior Notes in the Intl Capital Market

Compagnie Generale de Geophysique (CGG), (Euronext 12016, NYSE GGY) expects to pursue an offering of senior notes in aggregate principal amount of approximately $150 million in the international capital markets. The net proceeds will be used, along with available cash, to redeem and pay accrued interest on all of the $150 million outstanding aggregate principal amount of CGG's existing 10 5/8% Senior Notes due 2007. The offering will be made in accordance with Rule 144A and Regulation S under the US Securities Act of 1933. The additional Senior Notes will not be registered under the Securities Act and may not be offered and sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act. There will be no offering to the public in France.