MDU RESOURCES GROUP INC — Director's Dealing 2012

May 24, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MDU RESOURCES GROUP INC (MDU)
CIK: 0000067716
Period of Report: 2012-05-23

Reporting Person: Schwartz Doran N (VP and CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-23	Common Stock	P	400	$22.13	Acquired	15974	Direct
2012-05-23	Common Stock	P	50	$22.17	Acquired	16024	Direct
2012-05-23	Common Stock	P	200	$22.14	Acquired	16224	Direct
2012-05-23	Common Stock	P	50	$22.16	Acquired	16274	Direct
2012-05-23	Common Stock	P	300	$22.1452	Acquired	1300	Indirect