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Kosmos Energy's Banda-1 Exploration Well Discovers Oil Offshore
Republic of Ghana

06/06/11 05:06 GMT

DALLAS, Jun 06, 2011 (BUSINESS WIRE) --

Kosmos Energy (NYSE: KOS) announces today that the company's Banda-1 exploration well has discovered oil offshore the Republic of Ghana on the West Cape Three Points Block. The results of drilling, wireline logs and reservoir fluid samples show the Banda-1 well penetrated net oil-bearing pay of 3 meters (10 feet). Oil samples recovered from the Cenomanian-age reservoir indicate oil of approximately 40 degrees API gravity.

The Banda-1 discovery opens a new play fairway not previously encountered on the West Cape Three Points Block or adjacent Deepwater Tano Block. The Paradise-1 exploration well, recently drilled by Hess Corporation (NYSE: HES), successfully penetrated a hydrocarbon-bearing, equivalent-age reservoir. The Paradise-1 well is located 32 kilometers (km) (20 miles) southwest of the Banda-1 well location. The Banda-1 well also was designed to test the Upper Campanian interval, which was water bearing. Additional technical evaluation will be required to analyze the impact and extent of this new play discovery, which is deeper than existing Campanian and Turonian discoveries on Kosmos' Ghana blocks.

The "Atwood Hunter" semi-submersible rig drilled the Banda-1 well in a water depth of 921 meters (3,021 feet) to a total depth of 4,580 meters (15,022 feet) in the eastern portion of the West Cape Three Points Block. The well is located 28 km (17 miles) east of Kosmos' Mahogany-1 exploration well that discovered the Jubilee oil field in 2007.

West Cape Three Points Block Ownership Interest

Kosmos Energy is the operator of the West Cape Three Points Block in which the company holds a 30.875% interest. An affiliate of Anadarko Petroleum Corporation has a 30.875% interest; an affiliate of Tullow Oil plc has a 22.896% interest; E.O. Group Limited has a 3.5% interest; Sabre Oil & Gas Holdings Limited has a 1.854% interest; and Ghana National Petroleum Corporation has a 10% carried interest.

About Kosmos Energy

Kosmos Energy Ltd. (NYSE: KOS) is an international oil exploration and production company with a focus in Africa.

Forward-Looking Statements

Except for the historical information contained herein, the matters set forth in this news release are "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended.The company intends that all such statements be subject to the "safe-harbor" provisions of those Acts.Many important risks, factors and conditions may cause the company's actual results to differ materially from those discussed in any such forward-looking statement.These risks include, but are not limited to, estimates or forecasts of reserves, estimates or forecasts of production, future commodity prices, exchange rates, interest rates, geological and political risks, drilling risks, product demand, transportation restrictions, the ability of the company to obtain additional capital, and other risks and uncertainties described in the company's filings with the Securities and Exchange Commission.The historical results achieved by the company are not necessarily indicative of its future prospects.The company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

SOURCE: Kosmos Energy

Kosmos Energy
W. Greg Dunlevy, +1-214-445-9600
C. Bell & Associates, Inc.
Crystal "Chris" Bell, +1-214-324-2095
CounterPoint Strategies
Jim McCarthy, +1-202-257-2767