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))
|
99
|
Company
Bylaw Sections 6.01 and 6.05, as
amended.
|
|
MDU
RESOURCES GROUP, INC.
|
|
Date
May 17, 2006
|
By:
|
/s/
Doran N. Schwartz
|
|
Doran
N. Schwartz
Vice
President and Chief
Accounting Officer
|
Exhibit
Number
|
Description
of Exhibit
|
99
|