PETRO-TECHNICAL SERVICES AGREEMENT, DATED AS OF FEBRUARY 17, 2011 BETWEEN ATLAS ENERGY, INC. AND ATLAS PIPELINE HOLDINGS, L.P. SPECIFIC TERMS IN THIS EXHIBIT HAVE BEEN REDACTED, AS MARKED BY THREE ASTERISKS (***), BECAUSE CONFIDENTIAL TREATMENT FOR...Petro-Technical Services Agreement • April 29th, 2011 • Atlas Resources Series 28-2010 L.P. • Pennsylvania
