SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. KOSMOS ENERGY LTD. Date: February 26, 2018 By: /s/ THOMAS P. CHAMBERS Thomas P. Chambers Senior Vice President and Chief Financial Officer Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated. Signature Title Date Chairman of the Board of Directors /s/ ANDREW G. INGLIS and Chief Executive Officer (Principal February 26, 2018 Andrew G. Inglis Executive Officer) /s/ BRIAN F. MAXTED Director and Chief Exploration Officer February 26, 2018 Brian F. Maxted Senior Vice President and Chief /s/ THOMAS P. CHAMBERS Financial Officer (Principal Financial February 26, 2018 Thomas P. Chambers Officer) Senior Vice President and Chief /s/ PAUL M. NOBEL Accounting Officer (Principal February 26, 2018 Paul M. Nobel Accounting Officer) /s/ YVES-LOUIS DARRICARRĀ“ ERE Director February 26, 2018 Yves-Louis DarricarrĀ“ ere /s/ SIR RICHARD B. DEARLOVE Director February 26, 2018 Sir Richard B. Dearlove /s/ DAVID I. FOLEY Director February 26, 2018 David I. Foley 175