BISMARCK - MDU Resources Group, Inc. (NYSE: MDU) today announced that members of its senior management team will participate in and provide a formal presentation May 19 during the virtually hosted American Gas Association Financial Forum.

The presentation materials that MDU Resources will use during this conference will be accessible May 19 on MDU Resources' website at www.mdu.com under the 'Investors' section.

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.

Contact:

Jason Vollmer

Tel: 701-530-1755

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