| Mon, Feb 1, 2010 | | | MDU Resources Posts 4Q Profit, Outlook Misses Estimates at Fox Business (Mon, Feb 1)
| | | MDU-Resources Group annual profit down for 2009 AP (Mon, Feb 1)
| | | MDU Resources Group, Inc. Q4 2009 Earnings Call Transcript at Seeking Alpha (Mon, Feb 1)
| | | MDU RESOURCES GROUP INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and E EDGAR Online (Mon, Feb 1)
| | | MDU Resources Reports 2009 Earnings and Initiates 2010 Earnings Guidance Business Wire (Mon, Feb 1)
| | | Q4 2009 MDU Resources Earnings Release - Time Not Supplied CCBN (Mon, Feb 1)
| | Tue, Jan 19, 2010 | | | MDU RESOURCES GROUP INC Files SEC form 8-K, Change in Directors or Principal Officers EDGAR Online (Tue, Jan 19)
| | Thu, Jan 14, 2010 | | | MDU Resources Earnings Call scheduled for Mon, Feb 1 CCBN (Thu, Jan 14)
| | Wed, Jan 13, 2010 | | | MDU Resources Announces Webcast of Analyst Conference Call Business Wire (Wed, Jan 13)
| | Thu, Jan 7, 2010 | | | MDU RESOURCES GROUP INC Files SEC form 8-K, Change in Directors or Principal Officers EDGAR Online (Thu, Jan 7)
| | | MDU Resources promotes Schwartz to CFO AP (Thu, Jan 7)
| | | MDU Resources Names Chief Financial Officer, Chief Accounting Officer, Treasurer Business Wire (Thu, Jan 7)
| | Wed, Jan 6, 2010 | | | MDU Resources chief financial officer retiring AP (Wed, Jan 6)
| | | MDU Resources Chief Financial Officer Vernon A. Raile to Retire Business Wire (Wed, Jan 6)
| | Thu, Dec 31, 2009 | | | Craig Keller named Chief Operating Officer of MDU Construction Services Group Business Wire (Thu, Dec 31)
| | Mon, Dec 21, 2009 | | | Better Buy: Sempra Energy or NiSource? at Motley Fool (Mon, Dec 21)
| | Tue, Nov 17, 2009 | | | MDU RESOURCES GROUP INC Files SEC form 8-K, Change in Directors or Principal Officers, Amendments to Articles of Inc. EDGAR Online (Tue, Nov 17)
| | Thu, Nov 12, 2009 | | | MDU Resources Increases Common Stock Dividend for 19th Straight Year Business Wire (Thu, Nov 12)
| | Tue, Nov 10, 2009 | | | MDU RESOURCES GROUP INC Financials EDGAR Online Financials (Tue, Nov 10)
| | Thu, Nov 5, 2009 | | | MDU RESOURCES GROUP INC Files SEC form 10-Q, Quarterly Report EDGAR Online (Thu, Nov 5)
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