Rex Energy Closes Midstream Asset Sale

Rex Energy Corp. of State College, PA, together with its partners in Keystone Midstream Services, LLC, has closed on the sale of Keystone to a subsidiary of MarkWest Energy Partners L.P. The sale includes two cryogenic gas processing plants, the Sarsen Plant and newly commissioned Bluestone Plant, with a combined 90 MMcf/d of capacity, a gas gathering system and associated field compression in Butler County, PA.