Corporate Governance: Board of Directors

James J. Volker, 60, has been a director of Whiting Petroleum Corporation since 2003 and a director of Whiting Oil and Gas Corporation since 2002. He joined Whiting Oil and Gas Corporation in August 1983 as Vice President of Corporate Development and served in that position through April 1993. In March 1993, he became a contract consultant to Whiting Oil and Gas Corporation and served in that capacity until August 2000, at which time he became Executive Vice President and Chief Operating Officer. Mr. Volker was appointed President and Chief Executive Officer and a director of Whiting Oil and Gas Corporation in January 2002. Mr. Volker was co-founder, Vice President and later President of Energy Management Corporation from 1971 through 1982. He has over thirty years of experience in the oil and natural gas industry. Mr. Volker has a degree in finance from the University of Denver, an MBA from the University of Colorado and has completed H. K. VanPoolen and Associates' course of study in reservoir engineering.

Thomas L. Aller

Thomas L. Aller, 57, has been a director of Whiting Petroleum Corporation since 2003. Mr. Aller has served as Senior Vice President — Energy Delivery of Alliant Energy Corporation and President of Interstate Power and Light Company since January 2004. Prior to that, he served as President of Alliant Energy Investments, Inc. since April 1998 and interim Executive Vice President — Energy Delivery of Alliant Energy Corporation since September 2003. From 1993 to 1998, he served as Vice President of IES Investments. He received his Bachelor's Degree in political science from Creighton University and his Master's Degree in municipal administration from the University of Iowa.

D. Sherwin Artus

D. Sherwin Artus, 69, was appointed to the Board effective March 1, 2006 to fill the vacancy created when the Board expanded the number of authorized directors from six to seven effective March 1, 2006. Mr. Artus joined Whiting Oil and Gas Corporation in January 1989 as Vice President of Operations and became Executive Vice President and Chief Operating Officer in July 1999. In January 2000, he was appointed President and Chief Executive Officer and a director. In January 2002, he became Senior Vice President. He has been in the oil and natural gas business for forty-six years. Mr. Artus holds a Bachelor’s Degree in geologic engineering and a Master’s Degree in mining engineering from the South Dakota School of Mines and Technology. Mr. Artus was recommended to our Nominating and Governance Committee by our Chief Executive Officer.

Thomas P. Briggs

Thomas P. Briggs, 58, was appointed by the Board effective March 1, 2006 to fill the vacancy created by the retirement of J. B. Ladd. From 1990 to 2006, he was CFO of three public and private food companies including Horizon Organic, the largest organic foods company in the United States, which was acquired by Dean Foods in 2004. During the 1970s and 1980s he was a tax and M&A consultant to oil and gas exploration companies, and CFO and senior officer in two Denver-based independent oil and gas companies. Mr. Briggs, an inactive certified public accountant, has 26 years of management experience as a CFO in public and private companies primarily in the oil and gas and food industries, and also has 10 years of public accounting experience in two of the current four worldwide public accounting firms. He is a past director of the Independent Petroleum Association of the Mountain States (IPAMS). Mr. Briggs holds a Bachelor of Arts degree in accounting from Duke University and a Juris Doctorate degree from the Georgetown University Law Center. He is currently a board member and chairman of the audit committee of Corrpro Companies, a publicly-held engineering and construction services company headquartered in Cleveland. Mr. Briggs was recommended to our Nominating and Governance Committee by one of our executive officers.

Graydon D. Hubbard

Graydon D. Hubbard, 73, has served as a director of Whiting Petroleum Corporation since 2003. He is a retired certified public accountant and was a partner of Arthur Andersen LLP in its Denver office for more than five years prior to his retirement in November 1989. Since 1991, he has served as a director of Allied Motion Technologies Inc., a company engaged in the business of designing, manufacturing and selling motion control products. Mr. Hubbard is also an author. He received his Bachelor's Degree in accounting from the University of Colorado.

Palmer L. Moe

Palmer L. Moe, 63, has served as a director of Whiting Petroleum Corporation since October 2004. He is Managing Director of Kronkosky Charitable Foundation in San Antonio, Texas, a position he has held since 1997. Mr. Moe was a partner of Arthur Andersen & Co. in its San Antonio, Houston and Denver offices from 1965 to 1983. From 1983 until 1992, he served as President and Chief Operating Officer and a director of Valero Energy Corporation. He received his Bachelor's Degree in accounting from the University of Denver and completed the Senior Executive Development Course at the Alfred P. Sloan School of Management at the Massachusetts Institute of Technology.

Kenneth R. Whiting

Kenneth R. Whiting, 79, has been a director of Whiting Petroleum Corporation since 2003 and has served as a director of Whiting Oil and Gas Corporation since its inception in 1980. He was President and Chief Executive Officer of Whiting Oil and Gas Corporation from its inception until 1993, when he was appointed Vice President of International Business for IES Diversified. From 1978 to late 1979, he served as President of Webb Resources, Inc. He has many years of experience in the oil and natural gas industry, including his position as Executive Vice President of Ladd Petroleum Corporation. He was a partner and associate with the Denver law firm of Holme Roberts & Owen. Mr. Whiting received his Bachelor's Degree in business from the University of Colorado and his J.D. from the University of Denver.