Sterling Energy Plc (Sterling) is an upstream oil and gas company. The Company is engaged in the exploration for and production of oil and gas in Africa. The Company operates in Africa segment. Sterling has exploration projects in Cameroon and Madagascar, and an interest in production in Mauritania. The Ntem concession area is a deep water block situated in the southern Douala / Rio Muni Basin and lies adjacent to the northern maritime border of the Rio Muni province of Equatorial Guinea. Water depths range from approximately 400 meters to 2,000 meters across the block. Sterling�s Ambilobe and Ampasindava blocks are located in the Majunga and Ambilobe deep water basins, respectively, offshore north-west Madagascar.