Cobalt International Energy, Inc. Watch

from S-3 76 pages Cobalt International Energy, Inc. Senior Indenture Dated as of , 20 Wilmington Trust, National Association, as Trustee

from 8-K 92 pages Cobalt International Energy, Inc. as the Company and Wells Fargo Bank, National Association, as Trustee Second Supplemental Indenture Dated as of May 13, 2014 to Senior Indenture Dated as of December 17, 2012 3.125% Convertible Senior Notes Due 2024

from 8-K 85 pages Cobalt International Energy, Inc. as the Company and Wells Fargo Bank, National Association, as Trustee First Supplemental Indenture Dated as of December 17, 2012 to Senior Indenture Dated as of December 17, 2012 2.625% Convertible Senior Notes Due 2019

from 8-K 67 pages Cobalt International Energy, Inc. as the Company and Wells Fargo Bank, National Association as Trustee Senior Indenture Dated as of December 17, 2012

from S-3ASR 66 pages Cobalt International Energy, Inc. as the Company and as Trustee Subordinated Indenture Dated as of , 20

from S-3ASR 60 pages Cobalt International Energy, Inc. as the Company and as Trustee Senior Indenture Dated as of , 20

from 10-K 282 pages Reorganization Agreement Dated as of December 8, 2009 Among Cobalt International Energy, L.P., Cobalt International Energy, Inc., Cobalt Mergersub, Inc. and the Other Parties Signatory Hereto

from S-1/A 1 page Organized Under the Laws of the State of Delaware This Certifies That Is the Owner of Fully Paid and Non-Assessable Shares of Common Stock, $0.01 Par Value, of Cobalt International Energy, Inc. Transferable on the Books of the Corporation by the Holder Hereof in Person or by Duly Authorized Attorney Upon the Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Until Countersigned and Registered by the Transfer Agent and Registrar. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Dated: Cobalt International Energy, Inc. Seal 2009 Delaware Corporate General Counsel and Executive Vice President Chairman of the Board of Directors and Chief Executive Officer Cusip to Come See Reverse for Certain Definitions S H a R E S CIE Countersigned and Registered: Continental Stock Transfer & Trust Company (Jersey City, Nj) Transfer Agent and Registrar By: Authorized Signature

from S-1/A 33 pages Reorganization Agreement Dated as of , 2009 Among Cobalt International Energy, L.P., Cobalt International Energy, Inc., [Cobalt Merger Subsidiary] and the Other Parties Signatory Hereto