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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000067716-22-000020
Filing Date
2022-03-25
Accepted
2022-03-25 10:35:57
Documents
3

Document Format Files

Seq Description Document Type Size
1 DEFA14A a2022proxynotice.htm DEFA14A 10540
2 GRAPHIC proxynotice1.jpg GRAPHIC 2047449
3 GRAPHIC proxynotice2.jpg GRAPHIC 1337624
  Complete submission text file 0000067716-22-000020.txt   4378988
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.: 22768824
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)