Kosmos Energy Ltd. announced that after serving on the Board of Directors for almost nine years, Brian F. Maxted has decided to resign as a director of the Company, effective November 25, 2019 (the “Effective Date”). Mr. Maxted was a founding partner of the Company and served as the Company’s Chief Executive Officer from January, 2011 until March, 2014 and its Chief Exploration Officer until his retirement from the Company effective February 15, 2019. His deep technical expertise and entrepreneurial skills helped build a strong capability that will serve the Company well into the future. In connection with his resignation, Mr. Maxted’s Advisory Agreement with the Company was terminated effective as of the Effective Date. Mr. Maxted’s retirement is not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies or practices.