PRESS RELEASE Malabo – October 17th, 2011   ARRIVAL OF ASENG FPSO ON LOCATION, BLOCK I, OFFSHORE BIOKO ISLAND, EQUATORIAL GUINEA The Ministry of Mines, Industry and Energy is pleased to announce that the Floating Production Storage and Offloading (FPSO) vessel for the Aseng Field, the 'FPSO Aseng', arrived on location in Block I, Offshore Bioko Island, Equatorial Guinea on October 16th, 2011, one month ahead of schedule. The Aseng Field is operated by Noble Energy on behalf of partners Atlas Petroleum International Limited, Osborne Resources Limited (a subsidiary of PA Resources) and Glencore Exploration (EG) Limited. The Aseng FPSO will be operated and maintained by GEPsing Ltd., a Joint Venture between SBM and the National Oil Company of Equatorial Guinea GEPetrol. The Aseng FPSO will have an oil production capacity of 80,000 barrels of oil per day, a gas handling capacity of 174 million cubic feet per day, a produced water handling and disposal capacity of 100,000 barrels of water per day and a water injection capacity of 150,000 barrels of water per day. The Aseng FPSO will have a total cargo storage capacity of 1.5 million barrels. The commencement of initial production is now anticipated by the end of 2011.