Item 2.02. Results of Operations and Financial Condition andItem 7.01. Regulation FD Disclosure. On February 9, 2023, MDU Resources Group, Inc. (the “Company”) issued a press release announcing earnings for 2022. 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 Description99 Press release issued February 9, 2023, regarding earnings for 2022.104 Cover page interactive data file (embedded within the Inline XBRL document)2SIGNATUREPursuant t(…)