Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-35167 Kosmos Energy Ltd. (Exact name of registrant as specified in its charter) Delaware 98-0686001 (State or other j ...

Kosmos Energy Ltd. (NYSE:KOS) Q4 2022 Earnings Conference Call February 27, 2023 11:00 AM ET Company Participants Jamie Buckland - Vice President of Investor Relations Andy Inglis - Chairman and Chief Executive Officer Neal Shah - Chief Financial Officer Conference Call Participants Charles Meade - Johnson Rice Alex Smith - Investec Neil Mehta - Goldman Sachs Subash Chandra - The Benchmark James Hosie - Barclays Mark Wilson - Jefferies Matt Smith - Bank of America Operator Good day, everyone, welcome to Kos ...

4Q22 & FY22 Results 27 February 2023 NYSE/LSE: KOS 1 Disclaimer Forward-Looking Statements This presentation 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 presentation that address activities, events or developments that Kosmos Energy Ltd. ("Kosmos" or the "Company") expects, believes or anticipates will or may occur in the ...