CGG Launches First Lien Senior Secured Notes Offering PARIS, France - April 6, 2018 As the terms of the existing first lien senior secured notes due 2023 issued as part of the restructuring plan provide a window to refinance them at par, CGG S.A., the parent company of the CGG group, announces today that CGG Holding (U.S.) Inc., CGG's wholly-owned indirect subsidiary, has commenced an offering of first lien senior secured notes due 2023 in an aggregate principal amount of approximately $650...