PRESS RELEASE 16 November 2009 Offshore Hydrocarbon Mapping plc ("OHM") OHM Enters Strategic Partnership with BGP and secures Marine CSEM Survey in offshore Equatorial Guinea OHM is pleased to announce that it has entered into a strategic partnership with the Bureau of Geophysical Prospecting in China (BGP) to provide marine CSEM survey design, acquisition and processing services to BGP. BGP has awarded the first survey to OHM within the framework of this new agreement for the acquisition of marine CSEM data offshore Equatorial Guinea, with a contract value of approximately USD2.5 million. The CSEM survey is anticipated to start in late November, 2009 Richard Cooper, CEO of OHM commented: "We are delighted that BGP, one of the world's largest geophysical contractors, has chosen OHM as their supplier of choice for our WISE integrated CSEM products and services. We look forward to working with BGP on this first joint survey and developing a strong and long-lasting partnership to the benefit of all." Contact: Offshore Hydrocarbon Mapping plc www.ohmrsi.com Richard Cooper - Chief Executive Officer 0870 429 6581 Bob Auckland - Finance Director 0870 429 6581 KBC Peel Hunt (Broker and NOMAD) 020 7418 8900 Julian Blunt David Anderson Aquila Financial Ltd (PR) Peter Reilly 0118 979 4100 This information is provided by RNS The company news service from the London Stock Exchange END
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