UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) January 24, 2002 MDU Resources Group, Inc. (Exact name of registrant as specified in its charter) Delaware 1-3480 41-0423660 (State of other jurisdiction (Commission (IRS Employer of incorporation) File Number) Indentification No.) Schuchart Building 918 East Divide Avenue P.O. Box 5650 Bismarck, North Dakota 58506-5650 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code (701) 222-7900 Item 5. Other Events. Incorporated by reference is a press release issued by MDU Resources Group, Inc. on January 24, 2002, attached as Exhibit 99. Item 7. Financial Statements and Exhibits. (c) Exhibits. Exhibit 99 - Press release issued January 24, 2002 regarding earnings for 2001. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. MDU RESOURCES GROUP, INC. Date: January 24, 2002 By: /s/ Warren L. Robinson Warren L. Robinson Executive Vice President, Treasurer and Chief Financial Officer EXHIBIT INDEX Exhibit Number Description of Exhibit 99 Press release issued January 24, 2002 regarding earnings for 2001.