# Filing Detail

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000067716-24-000043
Filing Date
2024-03-29
Accepted
2024-03-29 10:12:41
Documents
3

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEFA14A | a2024proxynotice.htm | DEFA14A | 10496
2 | GRAPHIC | a2024finalproxynotice_page.jpg | GRAPHIC | 413873
3 | GRAPHIC | a2024finalproxynotice_pagea.jpg | GRAPHIC | 525946
| Complete submission text file | 0000067716-24-000043.txt |  | 1305543

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)

EIN.: 301133956 | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-03480 | Film No.: 24802362
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)
(CF Office: 01 Energy & Transportation)