Chair of MDU Resources Board of Directors; retired, formerly chairman of Hughes Electronics Corp., a subsidiary of General Motors Corp., and former vice chairman and director of GM; a director of several organizations.

President and Chief Executive Officer of MDU Resources; formerly president and CEO of Cascade Natural Gas Corporation, Great Plains Natural Gas Co., Intermountain Gas Company and Montana-Dakota Utilties Co.

President and chairman of The Everist Co., a construction materials company; a director of several corporations.

Retired, formerly vice president of DOWL HKM and formerly chairman and majority owner of HKM Engineering Inc.; on the board of several organizations.

Retired, formerly chairman, president and chief executive officer of St. Mary Land & Exploration Co.; a former director of Transocean Inc.

Vice chair of MDU Resources Board of Directors; chairman, president and chief executive officer of TMI Corp., an architectural woodwork manufacturer; a former director of Federal Reserve Bank of Minneapolis.

Retired, formerly chairman and chief executive officer of CA Technologies; previously held executive positions with IBM Corp.; a former director of ICON Office Solutions Inc.

Vice chairman of Cascade Bancorp and Bank of the Cascades, formerly president and chief executive officer of Cascade Bancorp and Bank of the Cascades; on the board of several organizations.

Formerly president of Durham Resources LLC, a privately held financial management company, and formerly a director of a mutual fund; on the board of several organizations.

President and Chief Executive Officer of MDU Resources; serves on the company's Board of Directors and as chairman of the board of all major subsidiary companies; formerly president and CEO of Cascade Natural Gas Corporation, Great Plains Natural Gas Co., Intermountain Gas Company and Montana-Dakota Utilities Co.

President and Chief Executive Officer of Knife River Corporation; formerly held executive and management positions with Knife River.

President and Chief Executive Officer of WBI Holdings, Inc.; formerly vice president of business development and operations support of Knife River Corporation.

Vice President of Human Resources of MDU Resources; formerly vice president of human resources, customer service and safety of Cascade Natural Gas Corporation, Great Plains Natural Gas Co., Intermountain Gas Company and Montana-Dakota Utilities Co.

President and Chief Executive Officer of Cascade Natural Gas Corporation, Great Plains Natural Gas Co., Intermountain Gas Company and Montana-Dakota Utilities Co.; formerly vice president of operations of Great Plains Natural Gas and Montana-Dakota Utilities.

Vice President, General Counsel and Secretary of MDU Resources; serves as general counsel and secretary of all major company subsidiaries; formerly associate general counsel and assistant secretary of MDU Resources.

Vice President and Chief Information Officer of MDU Resources.

President and Chief Executive Officer of MDU Construction Services Group, Inc.; formerly held executive and management positions with MDU Construction Services Group.

Vice President, Chief Financial Officer and Treasurer of MDU Resources; serves as the senior financial officer and member of the board of directors of all major subsidiary companies; formerly chief accounting officer of MDU Resources.