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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) November 18, 2019
MDU Resources Group Inc
(Exact name of registrant as specified in its charter)

(State or other jurisdiction of | (Commission File Number) | (I.R.S. Employer Identification No.)
incorporation) |  |
Delaware | 1-03480 | 30-1133956

1200 West Century 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) 530-1000
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))

Securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934:

(Title of each class) | (Trading Symbol(s)) | (Name of each exchange on which registered)
Common Stock, par value $1.00 per share | MDU | New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01. Regulation FD Disclosure.
On November 18, 2019, MDU Resources Group, Inc. (the "Company") issued a press release announcing its five-year capital investment plan. A copy of the press release, which the Company is furnishing to the Securities and Exchange Commission, is attached as Exhibit 99 and incorporated by reference herein.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits. The following exhibits are being furnished as part of this report.

Exhibit Number | Description

99 | Press release issued November 18, 2019, announcing five-year capital investment plan.

104 | Cover Page Interactive Data File (embedded within the Inline XBRL document)

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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 November 18, 2019 | By /s/ Jason L. Vollmer
| Jason L. Vollmer
| Vice President, Chief Financial
| Officer and Treasurer

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