Linn Energy, LLC (LINN Energy) is an independent oil and natural gas company. The Company�s properties are located in the United States, primarily in the Mid-Continent, the Permian Basin, Michigan, California and the Williston Basin. Mid-Continent Deep includes the Texas Panhandle Deep Granite Wash formation and deep formations in Oklahoma and Kansas. Mid-Continent Shallow includes the Texas Panhandle Brown Dolomite formation and shallow formations in Oklahoma, Louisiana and Illinois. Permian Basin includes areas in West Texas and Southeast New Mexico. Michigan includes the Antrim Shale formation in the northern part of the state. California includes the Brea Olinda Field of the Los Angeles Basin. Williston Basin includes the Bakken formation in North Dakota. On December 15, 2011, the Company acquired certain oil and natural gas properties located primarily in the Granite Wash of Texas and Oklahoma from Plains Exploration & Production Company (Plains).