• 05/04/2015 - MDU Resources Group, Inc. (NYSE:MDU) today reported first quarter consolidated adjusted earnings of $22.8 million, or 12 cents per share, compared to $35.6 million, or 19 cents per share for the first quarter of 2014. On a GAAP basis the company reported a loss of $306.1 million, or $1.57 per share, compared to first quarter 2014 earnings of $56.5 million, or 30 cents per share. GAAP results reflect a $315.3 million after-tax noncash write-down of oil and natural gas properties pertaining to a quarterly ceiling test.
  • 05/04/2015 - MDU Resources Group, Inc. (NYSE:MDU) and Calumet Specialty Products Partners, L.P. (NASDAQ:CLMT) today announced that the Dickinson, North Dakota-based Dakota Prairie refinery, the first greenfield fuels refinery built in the U.S. in nearly 40 years, has commenced operations. The facility has begun producing diesel fuel and is expected to begin sales of diesel as the plant ramps up during May.