PostRock Energy Corporation, along with its affiliates, filed a motion for joint administration of their Chapter 11 bankruptcy cases in the US Bankruptcy Court on April 1, 2016. As per the motion, the debtor seeks the joint administration of the cases of its affiliates, PostRock Energy Services Corporation, PostRock MidContinent Production LLC, PostRock Eastern Production, LLC and PostRock Holdco, LLC, with its own case for administrative and procedural purposes. PostRock Energy Corporation has been proposed as lead debtor.