Definition of Novus Operating Agreement

Novus Operating Agreement means that certain Operating Agreement dated as of July 1, 2009 by and among Tenaska Resources, LLC (as successor operator to Novus Operating, LLC), UGI Marcellus and the other non-operators party thereto, as amended pursuant to that certain Amendment Agreement having effectiveness as of June 1, 2012 or October 1, 2012, as applicable.