United States securities and exchange commission logo May 20, 2022 Neal D. Shah Senior Vice President and Chief Financial Officer Kosmos Energy Ltd. 8176 Park Lane, Suite 500 Dallas, Texas 75231 Re: Kosmos Energy Ltd. Form 10-K for the Fiscal Year ended December 31, 2021 Filed February 28, 2022 File No. 001-35167 Dear Mr. Shah: We have reviewed your May 10, 2022 response to our comment letter and have the following comments. In some of our comments, we may ask you to provide us with information so we may better understand your disclosure. Please respond to these comments by providing the requested information or advise us as soon as possible when you will respond. If you do not believe our comments apply to your facts and circumstances, please tell us why in your response. After reviewing your response to these comments, we may have additional comments. Unless we note otherwise, our references to prior comments are to comments in our April 28, 2022 letter. Form 10-K for the Fiscal Year ended December 31, 2021 Business Operations by Geographic Area, page 13 1. We have read your response to prior comment 1 and note that you propose to disclose volumes of production and average sales prices and costs by geographic area/field on an aggregated basis, for oil/condensate, natural gas liquids and natural gas combined. We also note from your response to prior comment 2 that you propose to discontinue reporting natural gas liquids production and the corresponding average sales prices in your Results of Operations disclosure on page 69. Neal D. Shah FirstName LastNameNeal D. Shah Kosmos Energy Ltd. Comapany May NameKosmos Energy Ltd. 20, 2022 May 20, Page 2 2022 Page 2 FirstName LastName While we do not object to your aggregation of reserve information based on the relative significance of the reserves we believe that separate disclosure of production volumes, average sales prices and costs by final product sold is nevertheless required by Items 1204(a) and (b)(1) of Regulation S-K. We reissue prior comment 1. Our Reserves Summary of Oil and Gas Reserves, page 21 2. We understand from your response to prior comment 2 that you prefer not disclosing natural gas liquids reserve information separately because you regard these quantities to be immaterial as a proportion of total proved reserves for the years ended December 31, 2021, 2020, and 2019. Please expand your disclosures on pages 21 and 125 to include your justification for aggregating natural gas liquids and crude oil/condensate reserves. 3. We have read your response to prior comment 6 and note your proposed disclosure revisions appear to be limited to changes in your total proved reserves. Please further revise your intended disclosures to also address changes in your proved undeveloped reserves to comply with Item 1203(b) of Regulation S-K, as previously advised. Gross and Net Undeveloped and Developed Acreage, page 25 4. We understand from your response to prior comment 8 that you will revise your disclosure under this heading to include details about the expiration dates and acreage for material concentrations of your undeveloped properties by geographic area. Please provide us with an illustration of your proposed disclosure revisions. Supplemental Oil and Gas Data (Unaudited) Net Proved Developed and Undeveloped Reserves, page 125 5. We have read your response to prior comment 6 and note that change volumes in the table titled "Net Proved Developed and Undeveloped Reserves" on page 125 are shown by individual product type by geographical area, using units of MMBbls and Bcf, while your explanations of these changes reference units of BOE by geographical area. As a result, the changes identified in your discussion cannot be compared directly to the line items in the reserves reconciliation. Please further modify your intended explanations to utilize or additionally include units corresponding to those reflected in the tabulation. Tell us what consideration you have given to enhancing your disclosure by providing additional detail by geographic area as BOE amounts. Neal D. Shah Kosmos Energy Ltd. May 20, 2022 Page 3 You may contact Sandra Wall, Petroleum Engineer, at (202) 551-4727 or John Hodgin, Petroleum Engineer, at (202) 551-3699 if you have any questions regarding the comments. FirstName LastNameNeal D. Shah Sincerely, Comapany NameKosmos Energy Ltd. Division of Corporation Finance May 20, 2022 Page 3 Office of Energy & Transportation FirstName LastName