Devon Energy Announces Strategic Acquisition in the Williston Basin and Expands Share-Repurchase Authorization by 67 Percent to $5 Billion

Vinson & Elkins advised Grayson Mill Holdings II, LLC and Grayson Mill Holdings III, LLC (together, “GM”), both private companies backed by EnCap Investments L.P. (“EnCap”), in GM’s sale to WPX Energy Williston, LLC, an affiliate of Devon Energy Corporation (“Devon”), of certain entities affiliated with GM holding oil and gas properties, rights and related assets located in the Williston and Powder River Basins for an unadjusted purchase price of $5.0 billion, subject to customary purchase price adjustments.