MDU RESOURCES GROUP INC — Director's Dealing 2012

May 30, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MDU RESOURCES GROUP INC (MDU)
CIK: 0000067716
Period of Report: 2012-05-29

Reporting Person: Kivisto Nicole A (VP, Controller & CAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-29	Common Stock	P	265	$22.8891	Acquired	3937.336	Direct
2012-05-29	Common Stock	P	180	$22.691	Acquired	4117.336	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	450	Indirect
Common Stock	117.492	Indirect
Common Stock - (401-k)	6873.444	Indirect

Footnotes

F1: As of the most recent quarter end. The number of shares may fluctuate daily depending on plan activity in the fund.