Delaware
|
1-3480
|
41-0423660
|
(State
or other jurisdiction of incorporation)
|
(Commission
File Number)
|
(I.R.S.
Employer
Identification No.)
|
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))
|
MDU
RESOURCES GROUP, INC.
|
|
Date July
21, 2005
|
By: /s/
Warren L. Robinson
|
Warren
L. Robinson
Executive
Vice President and
Chief
Financial Officer
|
|
Exhibit
Number
99
|
Description
of Exhibit
Press
release issued July 21, 2005, regarding earnings for the second
quarter.
|