b'ExhibitNumber Description of Document10.51 Waiver Letter of funds affiliated with The Blackstone Group L.P., dated November 28,2018 regarding the Shareholders Agreement (filed as Exhibit 1.1 to the Companys CurrentReport on Form 8-K filed November 30, 2018 (File No. 001-35167), and incorporatedherein by reference).10.52 Waiver Letter of funds affiliated with Warburg Pincus LLC, dated November 28, 2018regarding the Shareholders Agreement (filed as Exhibit 1.2 to the Companys CurrentReport on Form 8-K filed November 30, 2018 (File No. 001-35167), and incorporatedherein by reference).10.53 Amended and Restated Registration Rights Agreement, dated as of October 7, 2009,among Kosmos Energy Holdings and the other parties signatory thereto (filed asExhibit 10.32 to the Companys Annual Report on Form 10-K for the year endedDecember 31, 2012, and incorporated herein by reference).10.54 Joinder Agreement to the Registration Rights Agreement, dated as of May 10, 2011,among Kosmos Energy Ltd. and the other parties signatory thereto (filed as Exhibit 10.33to the Companys Annual Report on Form 10-K for the year ended December 31, 2012,and incorporated herein by reference).10.55 Amendment No. 1 to the Registration Rights Agreement, dated as of February 8, 2013,among Kosmos Energy Ltd. and the other parties signatory thereto (filed as Exhibit 10.34to the Companys Annual Report on Form 10-K for the year ended December 31, 2012,and incorporated herein by reference).Management Contracts/Compensatory Plans or Arrangements10.56 Long Term Incentive Plan (filed as Exhibit 99.1 to the Companys Registration Statementon Form S-8 filed May 16, 2011 (File No. 333-174234), and incorporated herein byreference).10.57 Long Term Incentive Plan (amended and restated as of January 23, 2015) (filed asExhibit 99 to the Companys Registration Statement on Form S-8 filed October 2, 2015(File No. 333-207259), and incorporated herein by reference).10.58 Long Term Incentive Plan (amended and restated as of January 23, 2017) (filed asExhibit 10.64 to the Companys Annual Report on Form 10-K for the year endedDecember 31, 2016, and incorporated herein by reference).10.59 Annual Incentive Plan (filed as Exhibit 10.22 to the Companys Registration Statement onForm S-1/A filed March 30, 2011 (File No. 333-171700), and incorporated herein byreference).10.60 Form of Restricted Stock Award Agreement (Service-Vesting) (filed as Exhibit 10.50 to theCompanys Annual Report on Form 10-K for the year ended December 31, 2014, andincorporated herein by reference).10.61 Form of Restricted Stock Award Agreement (Performance-Vesting) (filed as Exhibit 10.51to the Companys Annual Report on Form 10-K for the year ended December 31, 2014,and incorporated herein by reference).10.62 Form of RSU Award Agreement (Service-Vesting) (filed as Exhibit 10.52 to the CompanysAnnual Report on Form 10-K for the year ended December 31, 2014, and incorporatedherein by reference).173'