Dave Goodin Named President of Montana-Dakota Utilities and Great Plains Natural...

Dave Goodin Named President of Montana-Dakota Utilities and Great Plains Natural Gas

BISMARCK, N.D.--(Business Wire)--David L. Goodin has been named president of Montana-Dakota
Utilities Co. and Great Plains Natural Gas Co., effective March 1, MDU
Resources Group president and chief executive officer Terry D.
Hildestad announced today. Goodin also will continue as president of
Cascade Natural Gas Co.

In his new positions, Goodin succeeds Bruce T. Imsdahl, who has
announced that he plans to retire on June 5. Imsdahl will remain chief
executive officer of all three utilities until then.

"Dave has done an outstanding job of integrating Cascade as part
of the MDU Resources utility business," Hildestad said. "He has broad
utility experience and a great team to work with. Dave will do an
outstanding job of leading our utilities, which together serve about
500,000 natural gas customers and 120,000 electric customers in five
Upper Midwest states, Washington and Oregon."

Goodin joined Montana-Dakota Utilities in 1983 as an electrical
engineer and advanced through a number of positions. He was promoted
to vice president of operations in 2000, and in January 2007 was named
executive vice president of operations and acquisitions. In July 2007
he was named president of Cascade after MDU Resources acquired the
company.

He is a member of the executive committee of the North Central
Electric Association, and has a long history of civic involvement,
including Chambers of Commerce, the MSU-Billings College of Business
Advisory Board and the YMCA.

Goodin has an undergraduate degree in electrical and electronics
engineering from North Dakota State University and a master's degree
in business administration from the University of North Dakota. He
completed the Harvard Advanced Management Program in 2006. He also is
a registered professional engineer. Goodin and his wife, Pat, have
three daughters.

MDU Resources Group, Inc., a member of the S&P MidCap 400 index,
provides value-added natural resource products and related services
that are essential to energy and transportation infrastructure,
operating in three core lines of business: energy, construction
materials and utility resources. MDU Resources includes natural gas
and oil production, natural gas pipelines and energy services,
construction materials and mining, construction services, and electric
and natural gas utilities. For more information about MDU Resources,
see the company's Web site at www.mdu.com or contact the Investor
Relations Department at investor@mduresources.com.

MDU Resources Group
Media inquiries:
Richard Matteson, director of communications and public
affairs, 701-530-1700
or
Mark Hanson, senior public relations representative,
701-530-1093
or
Investor relations inquiries:
Phyllis A. Rittenbach, director of investor relations,
701-530-1057

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