Board of Directors

Nathan I. Partain
Chairman of the Board
Nathan Partain

Chicago, Illinois • President and Chief Investment Officer, Duff & Phelps Investment Management Co. • President, Chief Executive Officer and Chief Investment Officer, DNP Select Income Fund, Inc. (closed-end utility fund)

Karen M. Bohn
Audit and Corporate Governance Committees
Karen Bohn

Edina, Minnesota • President, Galeo Group, LLC (management consulting firm)

John D. Erickson John Erickson

Fergus Falls, Minnesota • Past President and Chief Executive Officer, OtterTail Corporation

Steven L. Fritze
Audit and Corporate Governance Committees
Steven Fritze

Eagan, Minnesota • Retired Chief Financial Officer, Ecolab Incorporated (health and energy- related technologies and services) • Board Member, Minnesota Public Radio, American Public Media Group, Minnesota Philanthropy Partners, and Wenger Corporation.

Kathryn O. Johnson
Compensation Committee
Kathryn Johnson

Hill City, South Dakota • Principal, Johnson Environmental Concepts (specializes in applying geochemistry to resource development and remediation) • Board Member, South Dakota Board of Regents.

Edward J. (Jim) McIntyre
Chief Executive Officer
Edward McIntyre

West Fargo, ND.• Retired Vice President and Chief Financial Officer, Xcel Energy (energy company)

Joyce Nelson Schuette
Audit and Compensation Committees
Joyce Nelson Schuette

Walker, Minnesota • Retired Managing Director and Investment Banker, Piper Jaffray & Co. (financial services)

James B. Stake
Audit and Compensation Committees
James Stake

Edina, Minnesota • Retired Executive Vice President, Enterprise Services, 3M Company (diversified manufacturing)

Timothy O'Keefe
Corporate Governance Committee
Timothy O'Keefe

Grand Forks, North Dakota • retired Executive Vice President, UND Alumni Association, and Chief Executive Officer, UND Foundation (nonprofit)

• former business owner