GlobalSantaFe Corporation is a leading provider of offshore oil and gas drilling and drilling management services. The company owns and operates a mobile fleet of marine drilling rigs that operate in major drilling regions around the world, including premium and heavy-duty, harsh environment jackups, semisubmersibles, and dynamically positioned ultra-deepwater drillships. http://www.globalsantafe.com

Petroleum Geophysical Services ("PGS") provides us with seismic acquisition and independent data interpretation services. PGS provides a broad range of seismic and reservoir services, including data acquisition, processing, interpretation, and field evaluation. PGS also owns and operates four floating production, storage and off-loading units (FPSO). PGS operates on a worldwide basis with headquarters in Oslo, Norway. http://www.pgs.com

Spectrum Geophysical Processing Company ("Spectrum") provides us with professional data processing services. Spectrum is a member of a UK registered group of companies providing siesmic data processing, nonexclusive surveys and electronic data management services to a wide range of international clients. Spectrum has its headquarters in Woking, England, with operational centers in Houston and Cairo. http://www.spectrum-eit.co.uk

TDI-Brooks International ("TDI") provides us with geochemical core analysis of our concession. TDI is the recognized leader in offshore surface geochemical exploration and heat flow measurement. http://www.tdi-bi.com