Shearman & Sterling represented Citigroup Global Markets Inc., Barclays Capital Inc. and Credit Suisse Securities (USA) LLC as joint book-running managers and BNP Paribas Securities Corp., SG Americas Securities, LLC, Credit Agricole Securities (USA) Inc., HSBC Securities (USA) Inc., Natixis Bleichroeder LLC, Jefferies & Company, Inc., RBC Capital Markets, LLC and Howard Weil Incorporated as co-managers in connection with Kosmos Energy Ltd.’s $594,000,000 initial public offering of 33,000,000 common shares. The shares are listed on the New York Stock Exchange under the symbol “KOS.”

Kosmos Energy Ltd. is an independent oil and gas exploration and production company focused on underexplored regions in Africa, with a current asset portfolio of world-class discoveries and exploration prospects in Ghana, Cameroon and Morocco.

The Shearman & Sterling team included partners David Beveridge (New York-Capital Markets), Stuart Fleischmann (New York-Capital Markets), Philip Urofsky (New York-Litigation), Doreen Lilienfeld (New York-Executive Compensation & Employee Benefits), Doug McFadyen (New York-Tax) and Russell Sacks (New York-Financial Institutions Advisory & Financial Regulatory); counsel Jeff Salinger (New York-Real Estate/Environmental); and associates Jesse Cuevas (New York-Capital Markets), Seth Kerschner (New York-Real Estate/Environmental), Doug Jones (New York-Tax), John Hahn (New York-Capital Markets), Anthony Mascarenhas (New York-Capital Markets), Veronica Wissel (New York-Executive Compensation & Employee Benefits) and Michael Blankenship (New York-Financial Institutions Advisory & Financial Regulatory).