Kosmos Energy Provides Suriname Activity Update

DALLAS–(BUSINESS WIRE)–Kosmos
Energy (NYSE: KOS)(LSE: KOS) today gives an update on current
activity in Suriname.

The Anapai-1 well drilling in Block-45 offshore Suriname encountered
shallow bore hole stability issues before reaching the target interval.
Kosmos and its partner will re-spud the well, Anapai-1A, targeting the
same objectives. The well design has been reconfigured to address the
issues previously encountered. Anapai-1A is expected to spud imminently,
and will take approximately 50 to 60 days to drill with results expected
early in the third quarter. KosmosÔÇÖ share of the costs incurred to date
on drilling the Anapai well is approximately $20 million.

In Block 42 the partnership is finalizing the first of up to three
independent tests of prospects in the block. This includes the Pontoenoe
prospect, which is similar to and along trend from the discoveries in
Guyana. Kosmos anticipates drilling starting in the third quarter of
this year.

Kosmos holds rights in the Block 45 and Block 42 contract areas under
production sharing contracts with the Government of SurinameÔÇÖs
Staatsolie Maatschappij Suriname N.V. (ÔÇ£StaatsolieÔÇØ). Kosmos (50
percent) is the exploration operator of Block 45 and is joined by its
partner Chevron (50 percent). Kosmos (33.33 percent) is the exploration
operator of Block 42 and is joined by its partners Chevron (33.33
percent) and Hess Corporation (NYSE:HES) (33.33 percent).

About Kosmos Energy

Kosmos is a well-capitalized, pure play deepwater oil and gas company
with growing production, a pipeline of development opportunities and a
balanced exploration portfolio along the Atlantic Margins. Our assets
include growing production offshore Ghana and Equatorial Guinea, a
competitively positioned Tortue gas project in Mauritania and Senegal
and a sustainable exploration program balanced between proven basins
(Equatorial Guinea), emerging basins (Mauritania, Senegal and Suriname)
and frontier basins (Cote d'Ivoire and Sao Tome and Principe). As an
ethical and transparent company, Kosmos is committed to doing things the
right way. The CompanyÔÇÖs Business Principles articulate our commitment
to transparency, ethics, human rights, safety and the environment. Read
more about this commitment in the Kosmos 2016 Corporate Responsibility
Report. For additional information, visit www.kosmosenergy.com.

Forward-Looking Statements

This press release contains forward-looking statements within the
meaning of Section 27A of the Securities Act of 1933 and Section 21E 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. KosmosÔÇÖ 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 ÔÇ£anticipate,ÔÇØ ÔÇ£believe,ÔÇØ ÔÇ£intend,ÔÇØ ÔÇ£expect,ÔÇØ ÔÇ£plan,ÔÇØ ÔÇ£willÔÇØ 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 KosmosÔÇÖ Securities
and Exchange Commission (ÔÇ£SECÔÇØ) 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.

Contacts

Kosmos Energy Ltd.
Investor Relations
Jamie Buckland,
+44 (0) 203 954 2831
[email protected]
or
Rhys
Williams, +1-214-445-9693
[email protected]
or
Media
Relations
Thomas Golembeski, +1-214-445-9674
[email protected]