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) April 29, 2005 MDU RESOURCES GROUP, INC. (Exact name of registrant as specified in its charter) Delaware 1-3480 41-0423660 (State of Incorporation) (Commission (IRS Employer File Number) Identification 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 Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ITEM 8.01 OTHER EVENTS On April 29, 2005, MDU Resources Group, Inc. (the "Company") issued a press release regarding the pending acquisition of certain natural gas and oil properties by Fidelity Exploration & Production Company, its indirect wholly owned subsidiary. In that release, the Company also announced increases in guidance for long-term compound annual growth goals on earnings per share from operations. The press release which is incorporated by reference herein is attached as Exhibit 99. ITEM 9.01. FINANCIAL STATEMENT AND EXHIBITS. (c) Exhibits 99 Press Release issued April 29, 2005, regarding details on the pending production asset acquisition and increases in guidance for long-term compound annual growth goals on earnings per share from operations. 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. Dated: April 29, 2005 MDU RESOURCES GROUP, INC. By:/s/ Warren L. Robinson --------------------------------- Warren L. Robinson Executive Vice President and Chief Financial Officer EXHIBIT INDEX Exhibit Number Description of Exhibit -------------- ---------------------- 99 Press release issued April 29, 2005, regarding details on the pending production asset acquisition and increases in guidance for long-term compound annual growth goals on earnings per share from operations.