<SEC-DOCUMENT>0000067716-15-000011-index.html : 20150203 <SEC-HEADER>0000067716-15-000011.hdr.sgml : 20150203 <ACCEPTANCE-DATETIME>20150202182722 ACCESSION NUMBER: 0000067716-15-000011 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 3 CONFORMED PERIOD OF REPORT: 20150202 ITEM INFORMATION: Results of Operations and Financial Condition ITEM INFORMATION: Regulation FD Disclosure FILED AS OF DATE: 20150203 DATE AS OF CHANGE: 20150202 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MDU RESOURCES GROUP INC CENTRAL INDEX KEY: 0000067716 STANDARD INDUSTRIAL CLASSIFICATION: MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400] IRS NUMBER: 410423660 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-03480 FILM NUMBER: 15568708 BUSINESS ADDRESS: STREET 1: 1200 WEST CENTURY AVENUE CITY: BISMARCK STATE: ND ZIP: 58503 BUSINESS PHONE: 701-530-1059 MAIL ADDRESS: STREET 1: 1200 WEST CENTURY AVENUE CITY: BISMARCK STATE: ND ZIP: 58503 FORMER COMPANY: FORMER CONFORMED NAME: MONTANA DAKOTA UTILITIES CO DATE OF NAME CHANGE: 19850429 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>mduye20148k.htm <DESCRIPTION>MDU-12-31-2014 EARNINGS RELEASE <TEXT> Document 1 - file: mduye20148k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99 <SEQUENCE>2 <FILENAME>yeearningsnewsrelease2014.htm <DESCRIPTION>MDU-12-31-2014 EARNINGS RELEASE <TEXT> Document 2 - file: yeearningsnewsrelease2014.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>newpressreleasea02.jpg <TEXT> Document 3 - file: newpressreleasea02.jpg
</DOCUMENT> </SEC-DOCUMENT>