Attached files
| file | filename |
|---|---|
| EX-31.B - MDU CERTIFICATION OF CHIEF FINANCIAL OFFICER - MDU RESOURCES GROUP INC | mdu-9302014q3ex31b.htm |
| EX-95 - MDU MINE SAFETY DISCLOSURE - MDU RESOURCES GROUP INC | mdu-9302014q3ex95.htm |
| EX-10.B - MDU 20140930 EXHIBIT 10(B) - MDU RESOURCES GROUP INC | mdu-9302014q3ex10b.htm |
| EX-10.A - MDU 20140930 EXHIBIT 10(A) - MDU RESOURCES GROUP INC | mdu-9302014q3ex10a.htm |
| EX-12 - MDU 20140930 EXHIBIT 12 - MDU RESOURCES GROUP INC | mdu-9302014q3ex12.htm |
| EX-31.A - MDU CERTIFICATION OF CHIEF EXECUTIVE OFFICER - MDU RESOURCES GROUP INC | mdu-9302014q3ex31a.htm |
| EXCEL - IDEA: XBRL DOCUMENT - MDU RESOURCES GROUP INC | Financial_Report.xls |
| 10-Q - MDU 2014930 FORM 10-Q - MDU RESOURCES GROUP INC | mdu-9x30x2014form10xq.htm |
CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO SECTION 906
OF THE SARBANES-OXLEY ACT OF 2002
Each of the undersigned, David L. Goodin, the President and Chief Executive Officer, and Doran N. Schwartz, the Vice President and Chief Financial Officer of MDU Resources Group, Inc. (the "Company"), DOES HEREBY CERTIFY that:
1. The Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2014 (the "Report"), fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and
2. Information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
IN WITNESS WHERE OF, each of the undersigned has executed this statement this 7th day of November, 2014.
/s/ David L. Goodin
David L. Goodin
President and Chief Executive Officer
/s/ Doran N. Schwartz
Doran N. Schwartz
Vice President and Chief Financial Officer
A signed original of this written statement required by Section 906 has been provided to MDU Resources Group, Inc. and will be retained by MDU Resources Group, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.