Sean McGrath has been Chief Financial Officer of Atlas Resource Partners, L.P. since February 2012. He is currently also the Chief Financial Officer of Atlas Energy, L.P. Previously, Mr. McGrath was Chief Accounting Officer of Atlas Energy, Inc., Atlas Energy Resources, LLC and Atlas Pipeline Partners, L.P.

Prior to joining the Atlas companies, Mr. McGrath was Controller of Sunoco Logistics Partners L.P., a publicly-traded partnership that transports, terminals and stores refined products and crude oil. Mr. McGrath is a Certified Public Accountant.