MDU RESOURCES GROUP INC — Director's Dealing 2013

May 14, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MDU RESOURCES GROUP INC (MDU)
CIK: 0000067716
Period of Report: 2013-05-13

Reporting Person: EVERIST THOMAS S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-13	Common Stock	S	30000	$26.5639	Disposed	1670000	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	65590	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Phantom Stock	$		Common Stock (29447.154)	29447.154	Direct

Footnotes

F1: The price reported in column 4 is the weighted average sale price. The shares were sold in multiple transactions at prices ranging from $26.470 to $26.620, inclusive. The reporting person undertakes to provide to MDU Resources Group, Inc., any shareholder of MDU Resources Group, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

F2: 1 for 1

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