MDU Resources Announces Third Quarter 2025 Results; Narrows Guidance BISMARCK, N.D. – November 6, 2025 – MDU Resources Group, Inc. (NYSE: MDU) today announced third quarter financial results for 2025, with robust performance in the company's pipeline segment and execution of significant regulatory activity in its regulated utility segments, tempered by higher operations and maintenance expense. "We continue to execute on our long-term strategy as a regulated energy delivery company, with results that demons ...