MDU Resources Increases Dividend 25th Consecutive Year

BISMARCK, ND -- (Marketwired) -- 11/12/15 -- The MDU Resources Group (NYSE: MDU) board of directors today increased the company's quarterly common stock dividend to 18.75 cents per share, for an annualized dividend of 75 cents per share. The previous quarterly dividend was 18.25 cents per share.

This is the 25th consecutive year that MDU Resources has increased its common stock dividend. Of the more than 2,500 other U.S.-listed, dividend-paying companies, fewer than 100 have increased their stock dividend as many consecutive years as MDU Resources.

"We are very proud of continuing to increase dividends as part of our commitment to provide value to our shareholders. We have been paying dividends, uninterrupted, for 78 years," said Harry J. Pearce, chairman of the board.

The board of directors also declared dividends on preferred stock:

• $1.12-1/2 per share on 4.50 percent Series Preferred.
• $1.17-1/2 per share on 4.70 percent Series Preferred.
• $1.27-1/2 per share on 5.10 percent Series Preferred.

The dividends are payable Jan. 1, 2016, to stockholders of record Dec. 10, 2015.

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, construction materials and services, and exploration and production. For more information about MDU Resources, see the company's website at www.mdu.com or contact the Investor Relations Department at [email protected].

   ContactsFinancial:Phyllis A. RittenbachDirector - Investor relations701-530-1057Media:Rick MattesonDirector of communications and public affairs701-530-1700Laura LuederCorporate public relations manager701-530-1095

Source: MDU Resources Group, Inc.

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