MDU Resources Announces Webcast of Analyst Conference Call

Jun 30, 2016

MDU Resources Group, Inc. (NYSE:MDU) will webcast its second quarter 2016 earnings conference call Aug. 3 following the release of its results.

The webcast will begin at 10 a.m. EDT and can be accessed at www.mdu.com. Audio and webcast replays will be available. Audio will be available through Aug. 17 at 855-859-2056, or 404-537‑3406 for international callers, conference ID 38294454.

About MDU Resources

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, pipeline and midstream operations, and construction materials and services. For more information about MDU Resources, see the company's website at www.mdu.com or contact the Investor Relations Department at investor@mduresources.com.

Financial Contact: Janelle Steiner, Assistant Treasurer, 701-530-1031