Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 Page 123 Page 124 Page 125 Page 126 Page 127 Page 128 Page 129 Page 130 Page 131 Page 132 Page 133 Page 134 Page 135 Page 136 Page 137 Page 138 Page 139 Page 140 Page 141 Page 142 Page 143 Page 144 Page 145 Page 146 Page 147 Page 148 Page 149 Page 150 Page 151 Page 152 Page 153 Page 154 Page 155 Page 156 Page 157 Page 158 Page 159 Page 160 Page 161 Page 162 Page 163 Page 164 Page 165 Page 166 Page 167 Page 168 Page 169 Page 170 Page 171 Page 172 Page 173 Page 174 Page 175 Page 176 Page 177 Page 178 Page 179 Page 180 Page 181 Page 182FORWARD-LOOKING STATEMENTS This Annual Report contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. All statements, other than statements of historical facts, included in this document that address activities, events or developments that Kosmos expects, believes or anticipates will or may occur in the future are forward-looking statements. Kosmos’ estimates and forward-looking statements are mainly based on its current expectations and estimates of future events and trends, which affect or may affect its businesses and operations. Although Kosmos believes that these estimates and forward- looking statements are based upon reasonable assumptions, they are subject to several risks and uncertainties and are made in light of information currently available to Kosmos. When used in this document, the words “anticipate,” “believe,” “intend,” “expect,” “plan,” “will” or other similar words are intended to identify forward-looking statements. Such statements are subject to a number of assumptions, risks and uncertainties, many of which are beyond the control of Kosmos, which may cause actual results to differ materially from those implied or expressed by the forward-looking statements. Further information on such assumptions, risks and uncertainties is available in Kosmos’ Securities and Exchange Commission (“SEC”) filings. Kosmos undertakes no obligation and does not intend to update or correct these forward-looking statements to reflect events or circumstances occurring after the date of this document, except as required by applicable law. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this document. All forward-looking statements are qualified in their entirety by this cautionary statement. . BOARD OF DIRECTORS Andrew G. Inglis Chairman of the Board of Directors Chief Executive Officer Brian F. Maxted Chief Exploration Officer Sir Richard B. Dearlove Retired Head of the British Secret Intelligence Service (MI6) David I. Foley Senior Managing Director, Blackstone Group L.P. Chief Executive Officer, Blackstone Energy Partners David B. Krieger Managing Director, Warburg Pincus LLC Joseph P. Landy Co-President, Warburg Pincus & Company Prakash A. Melwani Senior Managing Director, Blackstone Group L.P. Adebayo O. Ogunlesi Chairman and Managing Partner, Global Infrastructure Partners Yves-Louis Darricarrère Retired Chief Executive Officer, Total Upstream Senior Advisor, Lazard Chris Tong Director, Targa Resources Corp. Christopher A. Wright Retired Executive Chairman and Chief Executive Officer, Fairfield Energy Limited SENIOR LEADERSHIP Andrew G. Inglis Chairman of the Board of Directors Chief Executive Officer Brian F. Maxted Chief Exploration Officer Director Thomas P. Chambers Senior Vice President and Chief Financial Officer Michael Anderson Senior Vice President, External Affairs, Government Relations, and Security Christopher J. Ball Senior Vice President, Planning and Business Development Jason E. Doughty Senior Vice President and General Counsel Marvin M. Garrett Senior Vice President, Drilling Eric J. Haas Senior Vice President, Production and Development Paul M. Nobel Senior Vice President and Chief Accounting Officer CORPORATE OFFICE Clarendon House 2 Church Street Hamilton HM 11, Bermuda U.S. OFFICE Kosmos Energy Ltd. c/o Kosmos Energy LLC 8176 Park Lane Suite 500 Dallas, TX 75231 WEBSITE www.kosmosenergy.com STOCK EXCHANGE LISTING New York Stock Exchange Symbol: KOS ANNUAL MEETING May 10, 2017 8:00 a.m. Atlantic Daylight Time Rosewood Tucker’s Point 60 Tucker’s Point Drive Hamilton Parish HS 02, Bermuda FORM 10-K Copies of the corporation’s 10-K are available on our website at www.kosmosenergy.com AUDITORS Ernst & Young Dallas, TX SHAREHOLDER SERVICES Computershare 250 Royall Street Canton, MA 02021 1-800-962-4284 (Toll-Free) 1-781-575-3120 (International) INVESTOR RELATIONS Additional corporate information is available on our website at www.kosmosenergy.com CORPORATE INFORMATION