Published: January 05, 2012
MDU Resources Announces Webcast of Analyst Conference Call
BISMARCK, N.D. - (BUSINESS WIRE) - MDU Resources Group, Inc. (NYSE:MDU) will webcast its year-end 2011
earnings and 2012 guidance conference call Feb. 2 following the release
of its results.
The webcast will begin at 11 a.m. EST and can be accessed at www.mdu.com.
A webcast replay and audio replay will be available. The dial-in number
for audio replay is (855) 859-2056, or (404) 537-3406 for international
callers, conference ID 40840208.
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, including
regulated businesses, an exploration and production company and
construction companies. MDU Resources includes regulated electric and
natural gas utilities and regulated natural gas pipelines and energy
services, natural gas and oil production, construction materials and
contracting, and construction services. 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, Inc.
Phyllis A. Rittenbach, 701-530-1057
Director,
Investor Relations
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