Company Piedmont Natural Gas Company, Inc.

Piedmont Natural Gas Company, Inc. is an energy services company. The Company's principal business is the distribution of natural gas to residential, commercial, industrial and power generation customers in portions of North Carolina, South Carolina and Tennessee, including customers served by municipalities, which are its wholesale customers. The Company operates through three segments: regulated utility, regulated non-utility activities and unregulated non-utility activities. The regulated utility segment includes operating a natural gas distribution system. The regulated non-utility activities segment consists of its equity method investments in regulated energy-related joint ventures that are held by its subsidiaries. The unregulated non-utility activities segment consists primarily of its equity method investment in an unregulated energy-related joint venture that is held by its subsidiary.