MDU Resources Announces Webcast of Analyst Seminar

  MDU Resources Announces Webcast of Analyst Seminar

Business Wire

BISMARCK, N.D. -- March 4, 2013

MDU Resources Group, Inc. (NYSE:MDU) will webcast its annual investor analyst
seminar March 14 from New York City.

For the analyst seminar, MDU Resources’ President and Chief Executive Officer
DavidL.Goodin and Vice President and Chief Financial Officer Doran N.
Schwartz will be joined by the operating companies’ senior management to
provide an update on operational strategy and financials.

The webcast will begin at 8:30 a.m. EDT and conclude at approximately 12:00
p.m. EDT March14 with access available at

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 utilities and
pipelines, exploration and production, and construction materials and services
companies. For more information about MDU Resources, see the company's Web
site at or contact the Investor Relations Department at


MDU Resources Group, Inc.
Phyllis A. Rittenbach, 701-530-1057
Director, Investor Relations
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