MDU Resources appoints two directors to board

MDU Resources Group, Inc. (NYSE: MDU) announced the election of Charles M. Kelley and Tammy J. Miller to its board of directors, effective August 12, 2025.

Kelley brings over four decades of natural gas industry experience, including 25 years at ONEOK, Inc., where he served as senior vice president of Natural Gas Pipelines. During his tenure at ONEOK, he oversaw more than $600 million in capital projects for the company's natural gas pipeline segment.

Miller previously served as lieutenant governor of North Dakota and was CEO and board chair of Border States, a North Dakota-based electrical distribution company. Under her leadership, Border States grew from $485 million to nearly $2.5 billion in annual sales. She currently serves on the board of directors of SkyWater Technology.

Both new directors will serve on the company's Audit Committee in addition to their general board responsibilities.

"We're pleased to welcome Chuck and Tammy to the MDU Resources board," said Darrel Anderson, chair of the board, according to the company's statement.

MDU Resources Group operates electric utility and natural gas distribution services to more than 1.2 million customers across the Pacific Northwest and Midwest. The company also operates a natural gas pipeline network spanning more than 3,800 miles and storage system across the Northern Plains region.

The appointments were announced in a press release issued by the company.

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