Group 1 - MDU Resources Group, Inc. will host a webcast for its second quarter 2025 earnings conference call on August 7 at 2 p.m. ET, with results released before U.S. markets open that day [1] - The webcast can be accessed through the company's website under the "Investors" section, and a replay will be available after the event [1] Group 2 - MDU Resources Group Inc. is a member of the S&P SmallCap 600 index, providing electric utility and natural gas distribution services to over 1.2 million customers in the Pacific Northwest and Midwest [2] - The company operates a natural gas pipeline network exceeding 3,800 miles, ensuring reliable energy delivery across the Northern Plains [2] - MDU Resources has a legacy of over a century and focuses on delivering safe, reliable, affordable, and environmentally responsible energy solutions [2]