#United States #MDU Resources #Charles Kelley #Tammy Miller #Bismarck, North Dakota

MDU Resources Group Welcomes New Board Members

On August 13, 2025, MDU Resources Group, Inc. (listed on NYSE as MDU) made an important announcement regarding the enhancement of its leadership team by electing Charles M. Kelley and Tammy J. Miller to its board of directors, effective as of August 12, 2025. The addition of these two seasoned professionals is anticipated to strengthen the company's operational strategy and oversee its ambitious growth objectives.

Charles M. Kelley: A Veteran in Natural Gas

Charles Kelley is no stranger to the energy sector, boasting more than 40 years of experience, specifically in the natural gas industry. His extensive background includes a notable 25-year tenure at ONEOK, Inc., where he was instrumental in driving the company's strategic initiatives in natural gas pipelines. As a former senior vice president of Natural Gas Pipelines, Kelley oversaw critical projects amounting to over $600 million, significantly contributing to the company's financial performance by increasing EBITDA.

Kelley's rich expertise in pipeline development, regulatory frameworks, and capital planning positions him as a valuable asset to MDU Resources, especially as its pipeline subsidiary, WBI Energy, seeks to exploit further growth opportunities in natural gas transmission and storage. Kelley commented on his appointment, expressing his honor in joining MDU Resources, and his commitment to supporting the company in its mission to deliver safe and reliable energy to its clientele.

Tammy J. Miller: Bridging Business and Public Service

Tammy Miller brings a unique blend of executive leadership experience and public service to the board. A former Lieutenant Governor of North Dakota, Miller previously served as the CEO and board chair of Border States, a reputable electrical distribution firm in North Dakota. During her leadership, she successfully expanded the company's sales from $485 million to nearly $2.5 billion annually. Miller’s profound roots in North Dakota, along with her extensive dealings with utility providers and policymakers, ensure she aligns perfectly with MDU Resources’ mission and operational footprint.

In her own words, Miller expressed her privilege in joining a company deeply embedded in North Dakota's landscape. She looks forward to leveraging her business acumen and public service experience to drive MDU's objectives forward.

Expectations from the New Board Members

In addition to their responsibilities on the board, both Kelley and Miller will also serve on the Audit Committee, a role that will further utilize their rich backgrounds in financial oversight and governance.

Darrel Anderson, the chair of the board, expressed enthusiasm about the new appointments, emphasizing Kelley's extensive pipeline experience as a boon for MDU's natural gas transmission operations. He noted Miller's dual background in both business and government as key to bringing fresh insights, especially in the context of the company’s ongoing growth initiatives.

About MDU Resources Group, Inc.

MDU Resources Group is a member of the SP SmallCap 600 index and prides itself on delivering safe, reliable, and environmentally conscious utility services to over 1.2 million customers across the Pacific Northwest and Midwest. Beyond its utility operations, the company's pipeline business boasts a robust natural gas pipeline network and storage system, ensuring dependable energy distribution across the Northern Plains. With over a century of legacy, MDU Resources remains committed to energizing lives and driving a sustainable future. For further details, visit MDU's official website.

As MDU Resources integrates these new board members, it sets its sights on innovation and community engagement, ensuring continued service excellence in the evolving energy landscape.