We hereby consent to the reference of our firm and to the use of our report effective December 31, 2013, dated January 20, 2014, in the Cobalt International Energy, Inc. Annual Report on Form 10-K for the year ended December 31, 2013, to be filed with the U. S. Securities and Exchange Commission on or about February 27, 2014.


		NETHERLAND, SEWELL & ASSOCIATES, INC.
		By:		/s/ C.H. (SCOTT) REES III C.H. (Scott) Rees III, P.E. Chairman and Chief Executive Officer

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