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]

Group 1 - MDU Resources Group, Inc. has elected Darrel T. Anderson as the new independent chair of the board, succeeding Dennis W. Johnson, effective immediately [1] - The transition reflects a disciplined approach to board leadership succession, ensuring continuity and strong governance [2] - Nicole Kivisto, president and CEO, acknowledged Dennis Johnson's leadership during the company's transformation to a regulated energy delivery business and expressed confidence in Anderson's leadership [3] Group 2 - Anderson's election as chair is part of a structured governance approach that emphasizes leadership development and succession planning [3] - He joined the board in 2023 and has previously served as vice chair and chair of the Compensation and Human Capital Committee, demonstrating a commitment to thoughtful succession planning [3] - Anderson has extensive industry experience, including his role as president and CEO of IDACORP, Inc. and Idaho Power Company, which will be beneficial for MDU Resources as it executes its strategic priorities [4] Group 3 - MDU Resources Group, Inc. is a member of the S&P SmallCap 600 index and provides electric and natural gas distribution services to over 1.2 million customers across the Pacific Northwest and Midwest [5] - The company's pipeline business operates a network of over 3,800 miles of natural gas pipelines and storage systems, ensuring reliable energy delivery [5] - MDU Resources has a legacy of over a century and remains focused on providing safe, reliable, and environmentally responsible energy services [5]