Attached files

file filename
EX-95 - MDU RESOURCES MINE SAFETY DISCLOSURES - MDU RESOURCES GROUP INCa2017q2ex95.htm
EX-32 - MDU RESOURCES CERTIFICATION OF CEO AND CFO - MDU RESOURCES GROUP INCa2017q2ex32.htm
EX-31.B - MDU RESOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER - MDU RESOURCES GROUP INCa2017q2ex31b.htm
EX-31.A - MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER - MDU RESOURCES GROUP INCa2017q2ex31a.htm
EX-12 - MDU RESOURCES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES - MDU RESOURCES GROUP INCa2017q2ex12.htm
EX-10.D - MDU RESOURCES SUPPLEMENTAL INCOME SECURITY PLAN 5-10-2017 - MDU RESOURCES GROUP INCa2017q2ex10d.htm
EX-10.C - MDU RESOURCES NONQUALIFIED DEFINED CONTRIBUTION PLAN 5-10-17 - MDU RESOURCES GROUP INCa2017q2ex10c.htm
EX-10.B - MDU RESOURCES EXECUTIVE COMPENSATION PLAN 5-10-2017 - MDU RESOURCES GROUP INCa2017q2ex10b.htm
EX-10.A - MDU RESOURCES DIRECTOR COMPENSATION PLAN 5-10-17 - MDU RESOURCES GROUP INCa2017q2ex10a.htm
10-Q - MDU RESOURCES FORM 10-Q 06-30-2017 - MDU RESOURCES GROUP INCa2017q2form10-q.htm

INSTRUMENT OF AMENDMENT TO THE
MDU RESOURCES GROUP, INC.
401(k) RETIREMENT PLAN


The MDU Resources Group, Inc. 401(k) Retirement Plan (as amended and restated January 1, 2017) (the “K-Plan”), is hereby further amended, effective April 1, 2017, unless otherwise indicated, as follows:


1.
By adding the following new entry to Schedule B:

Knife River Midwest, LLC shall make supplemental contributions on behalf of its Davis‑Bacon Employees in such amounts as may be necessary to satisfy the Prevailing Wage Law’s required fringe cost to the extent that the sum of the employer Matching and Profit Sharing Contributions, if any, for a period are insufficient to satisfy the Prevailing Wage Law’s required fringe cost pursuant to Supplement G.

Effective as of April 1, 2017.
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