Kosmos Energy Prices Initial Public Offering of Common Shares

DALLAS - Wednesday, May 11th 2011 [ME NewsWire]

(BUSINESS WIRE)-- Kosmos Energy Ltd. (NYSE: KOS) announces today that the company has priced its initial public offering of 33 million common shares at $18.00 per share. The common shares will begin trading on the New York Stock Exchange on May 11, 2011, under the ticker symbol “KOS.” The underwriters have the option to purchase from Kosmos Energy up to an additional 4.95 million common shares, on the same terms and conditions, to cover over-allotments, if any.

Citi, Barclays Capital and Credit Suisse are acting as joint bookrunning managers of the offering. The offering of these securities is being made only by means of a prospectus, copies of which may be obtained from Citi, Prospectus Department, Brooklyn Army Terminal, 140 58th Street, 8th Floor, Brooklyn, New York 11220, telephone (800) 831-9146, email batprospectusdept@citi.com; from Barclays Capital, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, (888) 603-5847, barclaysprospectus@broadridge.com; or from Credit Suisse Securities, Attention: Prospectus Department, One Madison Avenue, New York, New York 10010, telephone (800) 221-1037.

A registration statement relating to these securities has been declared effective by the U.S. Securities and Exchange Commission. This press release does not constitute an offer to sell or a solicitation of an offer to buy the securities described above, nor shall there be any sale of securities in any state or jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About Kosmos Energy

Kosmos Energy is an international oil exploration and production company with a focus in Africa.

Forward-Looking Statements

This press release includes “forward-looking statements” within the meaning of the safe harbor provisions of the United States Private Securities Litigation Reform Act of 1995 — that is, statements related to future, not past, events. Forward-looking statements are based on current expectations and include any statement that does not directly relate to a current or historical fact. In this context, forward-looking statements often address our expected future business and financial performance, and often contain words such as “anticipate,” “believe,” “intend,” “expect,” “plan,” “will” or other similar words. These forward-looking statements involve certain risks and uncertainties that ultimately may not prove to be accurate. Actual results and future events could differ materially from those anticipated in such statements. For further discussion of risks and uncertainties, individuals should refer to Kosmos Energy’s SEC filings. Kosmos Energy undertakes no obligation and does not intend to update these forward-looking statements to reflect events or circumstances occurring after this press release. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release. All forward-looking statements are qualified in their entirety by this cautionary statement.

Contacts

Kosmos Energy Ltd.

Investor Relations:

W. Greg Dunlevy, Chief Financial Officer, +1-214-445-9680



C. Bell & Associates, Inc.

Media Relations:

Crystal “Chris” Bell, +1-214-324-2095