News | August 13, 2008

Kosmos Energy And Tullow Select Rock Solid Images For Jubilee Field Development Studies

HOUSTON--(BUSINESS WIRE)--Rock Solid Images, a member of the OHM Group, announces today that the company has been chosen to provide rock physics-driven, reservoir property inversion services to Kosmos Energy and Tullow's appraisal and development drilling campaign for the Jubilee Field, offshore the Republic of Ghana.

Kosmos Energy Senior Vice-President and partner, Kenny Goh and Tullow Exploration Manager, Robin Sutherland said: "We have collaborated with the Rock Solid Images team on numerous of our exploration initiatives in West Africa, including Ghana's Jubilee Field. We have been impressed with their commitment to technical excellence and customer satisfaction and are pleased to select them for this important role."

Rock Solid Images Senior Vice-President, Gareth Taylor said: "It has been an immensely satisfying experience to have collaborated with Kosmos Energy and Tullow's world-class exploration teams since 2003. We are especially delighted that our rock physics and seismic inversion services have contributed, in part, to the discovery of one of West Africa's largest oil fields, the Jubilee Field, offshore Ghana and that we have been chosen to assist with the delineation and development of the field."

About the OHM Group:

Offshore Hydrocarbon Mapping plc listed on London's Alternative Investment Market (OHM) in March 2004 and provides Controlled Source Electromagnetic imaging services to the offshore exploration industry.

Rock Solid Images, headquartered in Houston, Texas, is an industry leader in the integration of fundamental rock physics with well data and surface seismic in order to interpret geophysical signatures in terms of reservoir properties such as lithology, porosity and saturation.

About Kosmos Energy:

Kosmos Energy is a privately held international oil exploration and production company with a focus on West Africa. Kosmos established a new, major oil province with the discovery of the Jubilee Field offshore Ghana, one of the decade's largest oil finds in the region. The company's asset portfolio also includes sizable acreage positions in other countries, including Morocco, Cameroon, Nigeria and Benin. Kosmos is led by a seasoned managerial and technical team that has extensive global experience, especially in West Africa, and a proven record of finding and developing significant oil reserves. With the financial backing of well-known and respected private equity investors Warburg Pincus and Blackstone Capital Partners, Kosmos possesses significant financial and operational capabilities to generate and participate in multiple high-impact upstream projects. For additional information, visit www.kosmosenergy.com.

About Tullow Oil:

Tullow Oil plc is one of the largest independent oil and gas exploration companies in Europe. The Group has over 100 licences in 23 countries, with operations in Africa, Europe, South Asia and South America. Tullow is headquartered in London and employs over 350 people world-wide. Current production is over 70,000 barrels of oil equivalent per day (boepd). In 2007 the Group drilled over 100 exploration, appraisal and development wells, which included multi-well campaigns in Ghana and Uganda.

Other Partners in West Cape Three Points and Deepwater Tano are Anadarko, Sabre oil and Gas, EO Group and GNPC.

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