Strategies for Sustainable Growth and Resilience

Long-Tenured Leadership Team With Exceptional Industry Knowledge STRONG, EXPERIENCED MANAGEMENT TEAM Brian Gray President and Chief Executive Officer 30 years at Knife River Former President of Knife River's Northwest segment from 2012-2022 Nathan Ring Vice President and Chief Financial Officer 20+ years at Knife River and MDU Resources Former Vice President of Business Development from 2017-2022 Trevor Hastings Vice President and Chief Operating Officer 27+ years at Knife River and MDU Resources Former President and CEO of WBI Energy, an MDU Resources subsidiary, since 2017 John Quade Vice President of Business Development " 28+ years at Knife River and MDU Resources Former President of Knife River's North Central segment from 2012-2023 Karl Liepitz Vice President, Chief Legal Officer, and Secretary 19+ years at MDU Resources Former Vice President, General Counsel, and Secretary of MDU Resources Nancy K. Christenson Vice President of Administration 45+ years at Knife River and MDU Resources Former Vice President of Administration, since 2009, and Vice President / Chief Accounting Officer from 2003-2009, amongst other accounting roles at the company Glenn Pladsen Vice President of Support Services 16+ years at Knife River and MDU Resources Former Director of Information Technology at Knife River, and led capital budgeting process and national account programs, amongst multiple other roles at the company Marney Kadrmas Chief Accounting Officer 23+ years at Knife River Former controller for the Northwest Segment and former Director of Accounting KNIFE RIVER 8

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