Vanguard Natural Resources, LLC is a publicly traded limited liability company focused on the acquisition, production and development of oil and natural gas properties. Vanguard’s assets consist primarily of producing and non-producing oil and natural gas reserves located in the Green River Basin in Wyoming, the Permian Basin in West Texas and New Mexico, the Gulf Coast Basin in Texas, Louisiana, Mississippi and Alabama, the Anadarko Basin in Oklahoma and North Texas, the Piceance Basin in Colorado, the Big Horn Basin in Wyoming and Montana, the Arkoma Basin in Arkansas and Oklahoma, the Williston Basin in North Dakota and Montana, the Wind River Basin in Wyoming and the Powder River Basin in Wyoming.