Oil and Gas Exploration and Production AD Stock London S.E.

Oil and Gas Exploration and Production AD (Prouchvane i dobiv na neft i gaz AD or Oil And Gas Exploration And Production Plc) is a Bulgaria-based company that is engaged in the research, exploration and realization of crude oil and natural gas; the research and exploitation of fields of thermal, mineral and underground water for domestic and industrial needs; the research and exploitation of fields of geothermal energy; the drilling of prospecting, exploratory and operational drill-holes for oil, gas, underground waters and geothermal energy. It has five subsidiaries, active in the oil and gas refining and marketing and the geological research and explorations industries. As of December 31, 2011, the Company’s major shareholder was Chimimport Group EAD Sofia with a stake of 49.84%.