| NorthWestern Corporation, a FORTUNE 500 company, is a leading provider of
services and solutions to nearly 2.5 million customers across America in the
energy and communications sectors. NorthWestern's businesses include
NorthWestern Energy, a provider of electricity, natural gas and related
services in Montana, South Dakota and Nebraska; NorthWestern Communications,
with its core Expanets business, is the largest mid-market provider of
networked communications solutions and services in the United States; Blue
Dot, a leading provider of air conditioning, heating, plumbing and related
services; and CornerStone Propane Partners L.P. |