MDU Resources Announces Webcast of Analyst Seminar

MDU Resources Group, Inc. (NYSE:MDU) will webcast its annual investor analyst seminar March 17 from New York City.

For the analyst seminar, MDU Resources’ President and Chief Executive Officer Terry D. Hildestad 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 March 17 with access available at www.mdu.com.

MDU Resources Group, Inc., a Fortune 500 company and 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: utility resources, energy and construction materials. MDU Resources includes electric and natural gas utilities, construction services, natural gas and oil production, natural gas pipelines and energy services, and construction materials and contracting. 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.