BISMARCK, N.D., Jan. 8, 2018 /PRNewswire/ — MDU Resources Group, Inc. (NYSE: MDU) will webcast its year-end 2017 earnings and 2018 guidance conference call Feb. 7 following the release of its results.

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The webcast will begin at 2 p.m. EST and can be accessed at Audio and webcast replays will be available. Audio will be available through Feb. 21 at (855) 859-2056, or (404) 537‑3406 for international callers, conference ID 3158659.

About MDU Resources

MDU Resources Group, Inc., a member of the S&P MidCap 400 index and the S&P High-Yield Dividend Aristocrats index, is Building a Strong America® by providing essential products and services through its regulated energy delivery and construction materials and services businesses. For more information about MDU Resources, see the company’s website at or contact the Investor Relations Department at

Financial Contact: Jason Vollmer, vice president, chief financial officer & treasurer, 701-530-1755
Media Contact: Laura Lueder, manager of communications and public relations, 701-530-1095


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SOURCE MDU Resources Group, Inc.