Delaware
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1-3480
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41-0423660
|
(State
or other jurisdiction of
|
(Commission
File Number)
|
(I.R.S.
Employer Identification No.)
|
incorporation)
|
|
|
|
q
|
Written
communications pursuant to Rule 425 under the Securities Act (17
CFR
230.425)
|
|
q
|
Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
|
|
q
|
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17
CFR
240.14d-2(b))
|
|
q
|
Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17
CFR
240.13e-4(c))
|
99
|
Press
release issued July 10, 2007.
|
|
MDU
RESOURCES GROUP, INC.
|
|
|
Dated:
July
11, 2007
|
By
/s/
Vernon A. Raile
|
|
Vernon
A. Raile
|
|
Executive
Vice President, Treasurer
|
|
and
Chief Financial Officer
|
Exhibit
Number
99
|
Description
of Exhibit
Press
Release issued July 10, 2007
|