Kosmos Energy Announces Closing of Secondary Public Offering of Common Shares

  Kosmos Energy Announces Closing of Secondary Public Offering of Common

Business Wire

DALLAS -- July 15, 2014

Kosmos Energy Ltd. (“Kosmos”) (NYSE: KOS) announced today the closing of the
previously announced registered underwritten public offering of 19.55 million
common shares (the “Offering”) from funds affiliated with The Blackstone Group
L.P. and Warburg Pincus LLC (the “Selling Shareholders”), which includes 2.55
million common shares sold pursuant to the fully-exercised over-allotment
option granted to the underwriter of the Offering. Kosmos will not receive any
of the proceeds from the sale of the common shares. Barclays Capital Inc.
acted as the underwriter of the Offering.

The Offering was made pursuant to an effective shelf registration statement,
including a prospectus, filed by Kosmos with the U.S. Securities and Exchange
Commission (“SEC”) on June 22, 2012. Before you invest, you should read the
prospectus in that registration statement and other documents Kosmos has filed
with the SEC for more complete information about Kosmos and the Offering. You
may get these documents for free by visiting the SEC website at www.sec.gov.
Alternatively, copies of the prospectus and a prospectus supplement, when
available, may be obtained from Barclays, c/o Broadridge Financial Solutions,
1155 Long Island Avenue, Edgewood, New York 11717, or by telephone at
888-603-5847, or by email at Barclaysprospectus@broadridge.com.

About Kosmos Energy

Kosmos Energy is a leading independent oil and gas exploration and production
company focused on frontier and emerging areas along the Atlantic Margin.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of
Section27A of the Securities Act of 1933 and Section21E of the Securities
Exchange Act of 1934. All statements, other than statements of historical
facts, included in this press release that address activities, events or
developments that Kosmos expects, believes or anticipates will or may occur in
the future are forward-looking statements.Kosmos’ estimates and
forward-looking statements are mainly based on its current expectations and
estimates of future events and trends, which affect or may affect its
businesses and operations. Although Kosmos believes that these estimates and
forward-looking statements are based upon reasonable assumptions, they are
subject to several risks and uncertainties and are made in light of
information currently available to Kosmos. When used in this press release,
the words “anticipate,” “believe,” “intend,” “expect,” “estimate,” “plan,”
“will” or other similar words are intended to identify forward-looking
statements. Such statements are subject to a number of assumptions, risks and
uncertainties, many of which are beyond the control of Kosmos, which may cause
actual results to differ materially from those implied or expressed by the
forward-looking statements. Further information on such assumptions, risks and
uncertainties is available in Kosmos’ Securities and Exchange Commission
(“SEC”) filings. Kosmos undertakes no obligation and does not intend to update
or correct these forward-looking statements to reflect events or circumstances
occurring after the date of this press release, except as required by
applicable law. 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.


Kosmos Energy Ltd.
Investor Relations
Jon Cappon, +1-214-445-9669
Media Relations
Thomas Golembeski, +1-214-445-9674
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