Delaware
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1-3480
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41-0423660
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(State
or other jurisdiction of
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(Commission
File Number)
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(I.R.S.
Employer Identification No.)
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incorporation)
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q
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Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
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q
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Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
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q
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Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))
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q
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Pre-commencement communications
pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))
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MDU
RESOURCES GROUP, INC.
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Date October 30,
2009
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By /s/ Doran N.
Schwartz
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Doran
N. Schwartz
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Vice
President and
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Chief
Accounting Officer
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Exhibit
Number
99
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Description of
Exhibit
Press
release issued October 30, 2009, regarding third quarter 2009
earnings.
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