MDU Resources Announces Appointments to the Board of Directors

Core Insights - MDU Resources Group, Inc. has elected Charles M. Kelley and Tammy J. Miller to its board of directors, effective August 12, 2025 [1] Group 1: Board Members' Backgrounds - Charles M. Kelley has over 40 years of experience in the natural gas industry, including a 25-year tenure at ONEOK, Inc., where he oversaw over $600 million in capital projects and significantly increased EBITDA [2] - Tammy J. Miller, former lieutenant governor of North Dakota, was CEO and board chair of Border States, growing the company from $485 million to nearly $2.5 billion in annual sales during her leadership [3] Group 2: Contributions to MDU Resources - Kelley is expected to provide valuable insights into pipeline development and regulatory strategy, aiding MDU Resources' pipeline subsidiary, WBI Energy, in pursuing growth opportunities in natural gas transmission and storage [2] - Miller's experience in public service and business is anticipated to align well with MDU Resources' mission and geographic footprint, enhancing the company's engagement with utilities and policymakers [3] Group 3: Company Overview - MDU Resources Group, Inc. serves over 1.2 million customers across the Pacific Northwest and Midwest, focusing on safe, reliable, and environmentally responsible electric utility and natural gas distribution services [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 across the Northern Plains [5]