MDU RESOURCES GROUP INC — Director's Dealing 2006

Jan 3, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MDU RESOURCES GROUP INC (MDU)
CIK: 0000067716
Period of Report: 2005-12-30

Reporting Person: NANCE ROBERT L (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-12-30	Phantom Stock	$0	A	354.226	Acquired		Common Stock (354.226)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	43318.113	Direct
Common Stock	4500	Indirect
Common Stock	2167.857	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option	$10.9167	2007-06-04	Common Stock (3375)	3375	Direct
Stock Option	$14.4167	2010-05-13	Common Stock (3375)	3375	Direct
Stock Option	$15.3889	2008-06-04	Common Stock (3375)	3375	Direct
Stock Option	$15.5417	2009-06-04	Common Stock (3375)	3375	Direct
Stock Option	$19.5433	2012-05-16	Common Stock (4500)	4500	Direct
Stock Option	$25.7	2011-05-17	Common Stock (4500)	4500	Direct

Footnotes

F2: Phantom Stock units include units that were accrued through dividends under the Deferred Compensation Plan for Directors.

F1: 1 for 1

F3: Units are to be settled in cash after reporting person's retirement.