Chaparral is an independent oil and natural gas production and exploitation company headquartered in Oklahoma City, Oklahoma. Since its inception in 1988, Chaparral has increased reserves and production primarily by acquiring and enhancing properties in its core areas of the Mid-Continent and the Permian Basin. Beginning in 2000, Chaparral expanded its geographic focus to include additional areas of Gulf Coast, Ark-La-Tex, North Texas, and the Rocky Mountains. For more information on Chaparral please visit www.chaparralenergy.com.

On October 12, 2009, Chaparral announced that it planned to merge with United Refining Energy Corp., a publicly held special purpose acquisition company (NYSE Amex: Units: URX.U, Common Stock: URX, Warrants: URX.WT). The proposed transaction is expected to close no later than December 11, 2009.