24

MDU RESOURCES G ROUP, INC.

Board of Directors

Terry D. Hildestad, 58 (2)

Karen B. Fagg, 54 (3)

Dennis W. Johnson, 58 (7)

Thomas Everist, 58 (13)

Harry J. Pearce, 65 (11)

Detroit, Michigan

Bismarck, North Dakota

Sioux Falls, South Dakota

Billings, Montana

Dickinson, North Dakota

Chairman of MDU Resources

President and Chief

President and chairman

President and majority

Chairman and chief

Board of Directors

Executive Officer

of The Everist Co., a

owner of HKM Engineering,

executive officer of

construction materials

Inc., formerly vice president

TMI Systems Design Corp.,

Retired, formerly chairman

Formerly chief operating

company; a director of

of operations for Mountain

a custom institutional

of Hughes Electronics Corp.,

officer of MDU Resources

several corporations

States Energy, Inc.;

furniture manufacturer; a

a unit of General Motors

and formerly president and

on the boards of several

former director of Federal

Corp., and former vice

chief executive officer of

expertise: Business

organizations

Reserve Bank of Minneapolis

chairman and director of

Knife River Corporation

management, construction

GM; a director of several

and sand, gravel and

expertise: Engineering

expertise: Business

major corporations

aggregate production

management, engineering

and finance

expertise: Multinational

business management,

finance, engineering and law

Sister Thomas Welder,

Patricia L. Moss, 54 (5)

Richard H. Lewis, 58 (3)

John L. Olson, 68 (23)

John K. Wilson, 53 (5)

O.S.B., 67 (20)

Denver, Colorado

Bend, Oregon

Sidney, Montana

Omaha, Nebraska

Bismarck, North Dakota

Founder and former

President, chief executive

President and chief

President of Durham

President of University

chairman, president and

officer and a director of

executive officer of

Resources, LLC, a privately

of Mary; a director of

chief executive officer

Cascade Bancorp and Bank

Blue Rock Products Co. and

held financial management

several organizations

of Prima Energy Corp.,

of the Cascades; a director

Blue Rock Distributing Co.,

company, and president of

a natural gas and oil

of several other corporations

beverage bottling and

Durham Foundation; a

expertise: Business

exploration and production

distributing companies, and

director of a mutual fund

development and

expertise: Finance and

company, and chairman of

chairman of Admiral

management

human resources

expertise: Finance and

Entre Pure Industries, Inc.,

Beverage Corp.; a director of

natural gas industry

a privately held purified

a health insurance company

water and ice business;

expertise: Marketing,

a board member of Colorado

finance and business

Oil and Gas Association

development and franchising

and a director of Colorado

State Bank and Trust

Audit Committee

Dennis W. Johnson, Chairman

expertise: Natural gas and

Richard H. Lewis

oil industry

John L. Olson

John K. Wilson

Compensation Committee

Thomas Everist, Chairman

Karen B. Fagg

Patricia L. Moss

Nominating and

Governance Committee

John L. Olson, Chairman

Karen B. Fagg

Richard H. Lewis

Sister Thomas Welder, O.S.B.

Numbers indicate age and

years of service ( ) on the

MDU Resources Board of Directors

as of December 31, 2007.