199 results
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8-K
EX-99
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13 Mar 14
Announces March 18 Analyst Seminar Webcast
12:00am
8-K
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4 Feb 14
Results of Operations and Financial Condition
12:00am
8-K
EX-99
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1 Nov 13
MDU Resources Reports Third Quarter Earnings, Increases 2013 Earnings Guidance
12:00am
8-K
EX-99
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1 Nov 12
MDU Resources Reports Third Quarter Earnings
12:00am
8-K
EX-99
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18 Apr 12
Results of Operations and Financial Condition
12:00am
8-K
EX-99
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2 Feb 12
MDU Resources Reports 2011 Results, Initiates Guidance for 2012
12:00am
8-K
EX-99
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1 Nov 11
MDU Resources Reports Third Quarter Earnings
12:00am