Filing exhibits
- 10-K Annual report
- 12 MDU Resources Computation of Ratio of Earnings to Fixed Charges
- 21 MDU Resources Subsidiaries of MDU Resources
- 23 MDU Resources Consent of Independent Accounting Firm
- 31 MDU Resources Certification of Chief Executive Officer
- 31 MDU Resources Certification of Chief Financial Officer
- 32 MDU Resources Certification of CEO and CFO
- 95 MDU Resources Mine Safety Disclosures
- Download Excel data file
- View Excel data file