Rule 424(b)(3)
File No. 333-06127
MDU Resources Group, Inc.
Automatic Dividend Reinvestment
and Stock Purchase Plan
Supplement to Prospectus Dated August 1, 1996
Adoption of New Rights Plan
On November 12, 1998, the Board of Directors adopted a new rights plan
that replaces the previous rights plan which expired on November 18, 1998. The
Board declared a dividend of one preference share purchase right on each
outstanding share of common stock. The dividend is payable on December 1, 1998
to stockholders of record on that date. Each right entitles the registered
holder of Common Stock to purchase from the Company for $125 one one-thousandth
of a share of Series B Preference Stock, subject to adjustment.
The terms of the rights are contained in the Rights Agreement, dated as
of November 12, 1998, between the Company and Norwest Bank Minnesota, N.A., the
Rights Agent, and the Registration Statement on Form 8-A, dated November 12,
1998, which is incorporated by reference into the prospectus.
November 30, 1998.
