# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000067716-16-000116
Filing Date
2016-02-19
Accepted
2016-02-19 09:33:32
Documents
161
Period of Report
2015-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | MDU RESOURCES 2015 FORM 10-K | a2015form10-k.htm | 10-K | 4374829
2 | CENTENNIAL ENERGY HOLDINGS, INC. AMENDMENT #2 TO RESTATED MASTER SHELF AGREEMENT | a2015ex4e.htm | EX-4.E | 100789
3 | CENTENNIAL ENERGY HOLDINGS, INC. AMENDMENT #3 TO RESTATED MASTER SHELF AGREEMENT | a2015ex4f.htm | EX-4.F | 26776
4 | CENTENNIAL ENERGY HOLDINGS WAIVER 3RD AMENDED AND RESTATED CREDIT AGREEMENT | a2015ex4k.htm | EX-4.K | 66133
5 | MDU RESOURCES LONG-TERM PERFORMANCE INCENTIVE PLAN | a2015ex10f.htm | EX-10.F | 86045
6 | MDU RESOURCES SECTION 16 OFFICERS AND DIRECTORS | a2015ex10n.htm | EX-10.N | 32639
7 | MDU RESOURCES 401 K RETIREMENT PLAN AMENDMENT | a2015ex10ap.htm | EX-10.AP | 78052
8 | MDU RESOURCES - PATRICK L. O'BRYAN INCENTIVE OPPORTUNITY | a2015ex10aw.htm | EX-10.AW | 1312
9 | MDU RESOURCES DAVID C. BARNEY INCENTIVE AWARD OPPORTUNITY | a2015ex10ax.htm | EX-10.AX | 36874
10 | MDU RESOURCES FIXED CHARGES AND COMBINED FIXED CHARGES | a2015ex12.htm | EX-12 | 69611
11 | MDU RESOURCES SUBSIDIARIES OF MDU RESOURCES | a2015ex21.htm | EX-21 | 50449
12 | MDU RESOURCES CONSENT OF INDEPENDENT ACCOUNTING FIRM | a2015ex23.htm | EX-23 | 3022
13 | MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER | a2015ex31a.htm | EX-31.A | 10415
14 | MDU RESOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER | a2015ex31b.htm | EX-31.B | 10397
15 | MDU RESOURCES CERTIFICATION OF CEO AND CFO | a2015ex32.htm | EX-32 | 6893
16 | MDU RESOURCES MINE SAFETY DISCLOSURES | a2015ex95.htm | EX-95 | 208098
23 |  | image1a01.jpg | GRAPHIC | 41548
24 |  | image2a01.jpg | GRAPHIC | 90856
| Complete submission text file | 0000067716-16-000116.txt |  | 24516973

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
17 | XBRL INSTANCE DOCUMENT | mdu-20151231.xml | EX-101.INS | 6126699
18 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | mdu-20151231.xsd | EX-101.SCH | 128353
19 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | mdu-20151231_cal.xml | EX-101.CAL | 203132
20 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | mdu-20151231_def.xml | EX-101.DEF | 832890
21 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | mdu-20151231_lab.xml | EX-101.LAB | 1780395
22 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | mdu-20151231_pre.xml | EX-101.PRE | 1098524

Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1059
MDU RESOURCES GROUP INC (Filer) CIK: 0000067716 (see all company filings)

EIN.: 410423660 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-03480 | Film No.: 161440371
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)