MDU RESOURCES GROUP INC — Director's Dealing 2006

May 2, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MDU RESOURCES GROUP INC (MDU)
CIK: 0000067716
Period of Report: 2006-04-28

Reporting Person: JOHNSON DENNIS W (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-04-28	Common Stock	A	2700	$37.114	Acquired	25838.331	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3040	Indirect