MDU Resources Announces Webcast Of Analyst Conference Call

MDU Resources Group, Inc. (NYSE:MDU) will webcast its year-end 2012 earnings and 2013 guidance conference call Feb. 5 following the release of its results.

The webcast will begin at 11 a.m. EST and can be accessed at 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 85150168.

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 .

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