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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000067716-19-000035
Filing Date
2019-03-22
Accepted
2019-03-22 10:05:13
Documents
3
Effectiveness Date
2019-03-22

Document Format Files

Seq Description Document Type Size
1 DEFA14A a2019proxynotice.htm DEFA14A 145759
2 image0a08.jpg GRAPHIC 43073
3 image1a03.jpg GRAPHIC 3793
  Complete submission text file 0000067716-19-000035.txt   210436
Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1000
MDU RESOURCES GROUP INC (Filer) CIK: 0000067716 (see all company filings)

IRS No.: 301133956 | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-03480 | Film No.: 19698639
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)