MANAGEMENT AGREEMENT DATED DECEMBER 18, 2006 AMONG ATLAS ENERGY RESOURCES, LLC, ATLAS ENERGY OPERATING COMPANY, LLC, AND ATLAS ENERGY MANAGEMENT, INC.
Exhibit
10(t)
MANAGEMENT
AGREEMENT DATED DECEMBER 18, 2006 AMONG
ATLAS
ENERGY RESOURCES, LLC, ATLAS ENERGY OPERATING
COMPANY,
LLC, AND ATLAS ENERGY MANAGEMENT, INC.