Layne Christensen Co.

Andrew B. Schmitt has served as President and Chief Executive Officer since October 1993. For approximately two years prior to joining the Company, Mr. Schmitt managed two privately-owned hydrostatic pump and motor manufacturing companies and an oil and gas service company. He served as President of the Tri-State Oil Tools Division of Baker Hughes Incorporated from February 1988 to October 1991.

Eric R. Despain has served as Senior Vice President since February 1996. As of September 1, 2001, Mr. Despain has also served as President of the Company's mineral exploration division and is responsible for the Company's mineral exploration operations. Prior to joining the Company in December 1995, Mr. Despain was President and a member of the Board of Directors of CBC since 1986.

Gregory F. Aluce has served as Senior Vice President since April 14, 1998. As of September 1, 2001, Mr. Aluce has also served as President of the Company's water resource division. Mr. Aluce is responsible for the Company's water-related services and products. Mr. Aluce has over 21 years experience in various areas of the Company's operations.

Jerry W. Fanska has served as Vice President-Finance and Treasurer since April 1994. Prior to joining Layne Christensen, Mr. Fanska served as corporate controller of The Marley Company since October 1992 and as its Internal Audit Manager since April 1984.

Steven F. Crooke has served as Vice President, Secretary and General Counsel since May 2001. For the period of June 2000 through April 2001, Mr. Crooke served as Corporate Legal Affairs Manager of Huhtamaki Van Leer. Prior to that, he served as Assistant General Counsel of the Company from 1995 to May 2000.

David A.B. Brown, Age 65. Mr. Brown has been Chairman of the Board of Directors of Pride International, Inc. since May 2005 and Chairman of the Board of Directors of Layne Christensen Company since June 2005. Pride International is a leading provider of contract drilling and related services to oil and natural gas companies worldwide, operating offshore and on land. Layne Christensen provides drilling services and related products and services in the principal markets of water resources, mineral exploration, geo construction, and energy. For more than five years prior to May 2005, Mr. Brown was President of The Windsor Group, a management consulting firm of which he was a co-founder. He has been one of our directors since December 15, 1994.

Donald K. Miller has been Chairman of Axiom International Investors, LLC, a company engaged in international equity asset management, since 1999. He has also been President of Presbar Corporation, a private firm engaged in private equity investing and investment banking, since 1986 and was formerly Chairman of Greylock Financial, Inc., an affiliate of Greylock Management Corporation, from 1986 to 1996. In addition, Mr. Miller served as Chairman and Chief Executive Officer of Thomson Advisory Group L.P. (subsequently PIMCO Advisors Holdings L.P.), an asset management company, from 1990 to 1993 and as Vice Chairman from 1993 to 1994. Mr. Miller also served as Chairman of the Board of Directors of Christensen Boyles Corporation ( CBC ) from 1986 to December 1995 and was involved in the formation of CBC and in the acquisition of Boyles Bros. Drilling Company and Christensen Mining Products. He currently is on the Board of Directors of RPM International, Inc. and has spent the majority of his career in investment banking or as an investor focusing on a variety of industries.

NELSON OBUS, DIRECTOR. Mr. Obus has served as president of Wynnefield Capital, Inc. since November 1992 and as a managing member of Wynnefield Capital Management, LLC since January 1997. Wynnefield Capital Management manages two private investment funds and Wynnefield Capital, Inc. manages one private investment fund, all three of which invest in small-cap value U.S. public equities. Mr. Obus also serves on the board of directors of Layne Christensen Company. In April 2006, the Securities and Exchange Commission filed a civil action alleging that Nelson Obus, the Wynnefield Capital Funds, and two other individuals, in June 2001 engaged in insider trading in the securities of SunSource, a public company that had been in the portfolio of the Wynnefield Capital Funds for years. Mr. Obus, the Wynnefield Capital Funds, and the other defendants emphatically deny the allegations and are vigorously contesting the case, which remains in the early stages of discovery.