Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000067716-16-000131
Filing Date
2016-04-14
Accepted
2016-04-14 16:42:43
Documents
1
Effectiveness Date
2016-04-14

Document Format Files

Seq Description Document Type Size
1 DEFA14A defa-2016annualmtg.htm DEFA14A 52335
  Complete submission text file 0000067716-16-000131.txt   53446
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: DEFA14A | Act: 34 | File No.: 001-03480 | Film No.: 161572181
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)