2011 |
| 8/1/2011 | MDU Resources Reports Second Quarter Earnings, Reaffirms 2011 Earnings Guidance |
| 7/13/2011 | Montana-Dakota Utilities power line route approved by North Dakota PSC |
| 7/8/2011 | Montana-Dakota Utilities files request to build electric generation facility |
| 7/8/2011 | MDU Resources Donates More Than $100,000 to Flood Relief Efforts, Offers Support to Impacted Employees |
| 6/27/2011 | MDU Resources Announces Bakken Leaseholds Acquisition, MDU Resources Announces Bakken Leaseholds Acquisition, Provides Production Update and Reaffirms Annual Earnings Guidance |
| 6/7/2011 | MDU Resources Announces Webcast of Analyst Conference Call |
| 5/12/2011 | MDU Resources Declares Quarterly Dividends on Common and Preferred Stock |
| 5/4/2011 | MDU Resources to Present at American Gas Association Financial Forum |
| 5/2/2011 | MDU Resources Reports Improved First Quarter Earnings, Reaffirms 2011 Earnings Guidance |
| 4/21/2011 | Fidelity Exploration & Production Company Adds Second Rig to Support Bakken Development Program |
| 4/1/2011 | MDU Resources Announces Webcast of Analyst Conference Call |
| 3/29/2011 | MDU Resources to Present at IPAA Oil and Gas Investment Symposium |
| 3/14/2011 | Kent Wells to Become President, CEO of MDU Resources’ Natural Gas & Oil Production Business |
| 3/2/2011 | MDU Resources Announces Webcast of Analyst Seminar |
| 2/17/2011 | MDU Resources Declares Quarterly Dividends on Common and Preferred Stock |
| 2/2/2011 | MDU Resources Reports 2010 Results, Initiates Guidance for 2011 |
| 1/6/2011 | MDU Resources Announces Webcast of Analyst Conference Call |
2010 |
| 12/1/2010 | MDU Resources Publishes 2010 Sustainability Report |
| 11/15/2010 | MDU Resources Sells Brazil Transmission Assets |
| 11/11/2010 | MDU Resources Increases Common Stock Dividend for 20th Consecutive Year |
| 10/27/2010 | MDU Resources Reports Third Quarter Earnings, Updates Earnings Guidance |
| 10/25/2010 | MDU Resources to Present at Edison Electric Institute Financial Conference |
| 10/20/2010 | MDU Resources announces arbitration decision |
| 10/14/2010 | MDU Resources subsidiary announces sale of working interest in Niobrara Leasehold |
| 10/12/2010 | Two Knife River divisions successful bidders on more than $34 million in new work |
| 9/23/2010 | MDU Resources Announces Webcast of Analyst Conference Call |
| 8/12/2010 | MDU Resources Declares Quarterly Dividends on Common and Preferred Stock |
| 8/3/2010 | MDU Resources Reports Second Quarter Earnings, Reaffirms 2010 Earnings Guidance |
| 7/27/2010 | Knife River Corporation President and CEO testifies before congressional committee |
| 6/28/2010 | MDU Resources Announces Webcast of Analyst Conference Call |
| 6/28/2010 | Montana-Dakota Utilities Co. wind projects fully operational |
| 6/15/2010 | MDU Resources conducting Bakken analyst tour, discussing growth opportunities in all lines of business |
| 6/2/2010 | DEQ begins major reclamation project near Yellowstone National Park |
| 5/19/2010 | Williston Basin Interstate Pipeline to expand Bakken natural gas delivery volumes |
| 5/13/2010 | MDU Resources Declares Quarterly Dividend on Common and Preferred Stock |
| 5/3/2010 | MDU Resources to Present at American Gas Association Financial Forum |
| 4/30/2010 | MDU Resources Reports First Quarter Earnings, Reaffirms 2010 Earnings Guidance and Announces Niobrara Leasehold Additions |
| 4/5/2010 | MDU Resources Announces Webcast of Analyst Conference Call |
| 3/26/2010 | Knife River Corporation employee testifies before Federal Transportation and Infrastructure Committee |
| 3/16/2010 | MDU Resources subsidiary announces agreement to purchase Green River Basin production assets |
| 3/15/2010 | MDU Resources subsidiary announces acreage purchases in Bakken and Niobrara formations |
| 3/12/2010 | MDU Resources Director Sister Thomas Welder to Retire |
| 3/10/2010 | MDU Resources Announces Webcast of Analyst Seminar |
| 2/16/2010 | MDU Resources pipeline subsidiary announces enhancement plans for storage and pipeline |
| 2/11/2010 | MDU Resources Declares Quarterly Dividends on Common and Preferred Stock |
| 2/1/2010 | MDU Resources reports 2009 earnings and initiates 2010 earnings guidance |
| 1/13/2010 | MDU Resources Announces Webcast of Analyst Conference Call |
| 1/7/2010 | MDU Resources Names Chief Financial Officer, Chief Accounting Officer, Treasurer |
| 1/6/2010 | MDU Resources Chief Financial Officer Vernon A. Raile to Retire |
2009 |
| 11/12/2009 | MDU Resources Increases Common Stock Dividend for 19th Straight Year |
| 11/2/2009 | Participating utilities announce wind-down of Big Stone II project |
| 10/30/2009 | MDU Resources Reports Third Quarter Earnings and Increases Earnings Guidance |
| 10/23/2009 | MDU Resources to Present at Edison Electric Institute Financial Conference |
| 9/30/2009 | MDU Resources Announces Webcast of Analyst Conference Call |
| 9/8/2009 | MDU Resources to Present at D.A. Davidson Engineering & Construction Conference |
| 8/13/2009 | MDU Resources Declares Quarterly Dividends on Common and Preferred Stock |
| 8/13/2009 | MDU Resources Director John Olson Retires |
| 8/4/2009 | MDU Resources Acquires Total Corrosion Solutions |
| 8/3/2009 | MDU Resources Reports Second Quarter Earnings and Reaffirms Earnings Guidance |
| 7/7/2009 | MDU Resources Intends to Help Develop Green Power Express Transmission Project |
| 6/30/2009 | MDU Resources Announces Webcast of Analyst Conference Call |
| 5/14/2009 | MDU Resources Declares Quarterly Dividends on Common and Preferred Stock |
| 4/30/2009 | MDU Resources Reports First Quarter 2009 Results and Reaffirms 2009 Earnings Guidance |
| 4/24/2009 | MDU Resources Named a Fortune 500 Company |
| 4/15/2009 | MDU Resources to Present at IPAA’s Oil & Gas Investment Symposium and American Gas Association Financial Forum |
| 4/9/2009 | MDU Resources Group’s utility division purchases share of Wyoming power plant |
| 4/1/2009 | MDU Resources Announces Webcast of Analyst Conference Call |
| 3/16/2009 | MDU Resources Holding Analyst Seminar and Ringing The NYSE Closing Bell® - Company Updates 2009 Capital Expenditure Budget |
| 2/12/2009 | MDU Resources Declares Quarterly Dividend on Common Stock and Preferred Stock |
| 2/6/2009 | MDU Resources Announces Webcast of Analyst Seminar |