LRR Energy, L.P (LRR Energy) is a limited partnership formed by affiliates of Lime Rock Resources to operate, acquire, exploit and develop producing oil and natural gas properties in North America. The Company’s properties are located in the Permian Basin region in West Texas and southeast New Mexico, the Mid-Continent region in Oklahoma and East Texas and the Gulf Coast region in Texas. As of March 31, 2011, the Company’s total estimated proved reserves were approximately 30.3 million barrels of oil equivalent (MMBoe), of which approximately 84% were proved developed reserves. During the year ended December 31, 2010, approximately 55% of its pro forma revenues were from oil and natural gas liquids (NGLs) and approximately 37% of its total estimated proved reserves were oil and NGLs. As of March 31, 2011, the Company operated 93% of its proved reserves.