BISMARCK, N.D., July 17, 2024 /PRNewswire/ -- MDU Resources Group, Inc. (NYSE: MDU) will webcast its second quarter 2024 earnings conference call at 2 p.m. EDT Aug. 8. The company will release its second quarter results before U.S. financial markets open that day.The webcast can be accessed at www.mdu.com under the "Investors" heading. Select "Events & Presentations," and click "Q2 2024 Earnings Conference Call." After the conclusion of the webcast, a replay will be available at the same location.About MDU ...