Exhibit
Number
Description of Document
of Gabon and Total Gabon, S.A. (incorporated by reference to Exhibit 10.5 to the Company’s
Registration Statement on Form S-1/A filed October 29, 2009 (File No. 333-161734))
10.8
Assignment Agreement, dated November 29, 2007, between CIE Gabon Diaba Ltd. and Total
Gabon, S.A. (incorporated by reference to Exhibit 10.6 to the Company’s Registration
Statement on Form S-1/A filed October 29, 2009 (File No. 333-161734))
10.9
Simultaneous Exchange Agreement, dated April 6, 2009, between the Partnership and TOTAL
E&P USA, INC. (incorporated by reference to Exhibit 10.7 to the Company’s Registration
Statement on Form S-1/A filed October 9, 2009 (File No. 333-161734))
10.10
Gulf of Mexico ProgramManagement and AMI Agreement, dated April 6, 2009, between the
Partnership and TOTAL E&P USA, INC. (incorporated by reference to Exhibit 10.8 to the
Company’s Registration Statement on Form S-1/A filed October 9, 2009 (File No. 333-161734))
10.11
Offshore Daywork Drilling Contract, dated May 3, 2008, between the Partnership and Ensco
Offshore Company (incorporated by reference to Exhibit 10.9 to the Company’s Registration
Statement on Form S-1/A filed October 29, 2009 (File No. 333-161734))
10.12
International Daywork Drilling Contract—Offshore, dated November 8, 2010 between CIE
Angola Block 21 Ltd. and Z North Sea Ltd. (incorporated by reference to Exhibit 10.1 to the
Company’s Quarterly Report on Form 10-Q filed November 12, 2010 (File No. 001-34579)).
10.13
Offshore Drilling Contract between CIE Angola Block 21 Ltd. and Universal Energy
Resources, Inc., dated July 30, 2012 (incorporated by reference to Exhibit 10.1 to the
Company’s Quarterly Report on Form 10-Q filed October 30, 2012 (File No. 001-34579))
10.14
Offshore Drilling Contract between Cobalt International Energy, L.P. and Rowan Reliance
Limited, dated August 5, 2013 (incorporated by reference to Exhibit 10.1 to the Company’s
Quarterly Report on Form 10-Q filed October 29, 2013 (File No. 001-34579))
Agreements with Stockholders and Directors
10.15
Amended and Restated Stockholders Agreement, dated February 21, 2013, among the Company
and the stockholders that are signatory thereto (incorporated by reference to Exhibit 10.36 to the
Company’s Annual Report on Form 10-K filed February 26, 2013 (File No. 001-34579))
10.16
Registration Rights Agreement, dated December 15, 2009, among the Company and the parties
that are signatory thereto (incorporated by reference to Exhibit 10.31 to the Company’s Annual
Report on Form 10-K filed February 21, 2012 (File No. 001-34579))
10.17
Form of Director Indemnification Agreements (incorporated by reference to Exhibit 10.19 to the
Company’s Registration Statement on Form S-1/A filed November 27, 2009 (File No. 333-161734))
Management Contracts/Compensatory Plans or Arrangements
10.18†
Amended and Restated Long Term Incentive Plan of the Company (incorporated by reference to
Exhibit 10.15 to the Company’s Annual Report on Form 10-K filed February 26, 2013 (File
No. 001-34579))
10.19†
Form of Restricted Stock Award Agreements relating to the Class B interests (incorporated by
reference to Exhibit 10.10 to the Company’s Registration Statement on Form S-1/A filed
October 29, 2009 (File No. 333-161734))
10.20†
Form of Restricted Stock Award Agreements relating to the Class C interests (incorporated by
reference to Exhibit 10.11 to the Company’s Registration Statement on Form S-1/A filed
October 29, 2009 (File No. 333-161734))
10.21†
Form of Restricted Stock Award Agreements relating to the Class D interests (incorporated by
reference to Exhibit 10.12 to the Company’s Registration Statement on Form S-1/A filed
October 29, 2009 (File No. 333-161734))
10.22†
Form of Non-Qualified Stock Option Award Agreement (incorporated by reference to
Exhibit 10.26 to the Company’s Annual Report on Form 10-K filed March 1, 2011 (File
No. 001-34579)).
10.23†
Form of Restricted Stock Unit Award Agreement (incorporated by reference to Exhibit 10.27 to
