On May 22, 2017, Kosmos Energy Ltd., in connection with a registered underwritten public offering of its common shares, entered into an underwriting agreement with funds affiliated with The Blackstone Group L.P. and Warburg Pincus LLC, respectively, named therein and Barclays Capital Inc. named therein, pursuant to which the Selling Shareholders agreed to sell to the Underwriter an aggregate of 40,000,000 common shares. Upon the closing of the Offering, Mr. Prakash A. Melwani will resign from his position on the Company’s board of directors, effective May 26, 2017, pursuant to the terms of the Company’s shareholders agreement previously entered into between the Company and the Selling Shareholders.