GPRE

Board of Directors

WAYNE B. HOOVESTOL — Chairman of the Board & Chief Executive Officer

WAYNE B. HOOVESTOL was appointed to the position of Chief Executive Officer in February 2007. Mr. Hoovestol has served as a Director since March 2006 and was appointed as Chief Operating Officer in January 2007. He began operating Hoovestol Inc., a trucking company, in 1978 and he later formed an additional trucking company known as Major Transport. Mr. Hoovestol recently sold Major Transport so he could devote a substantial majority of his time to the leadership and strategic oversight of our operations. Mr. Hoovestol became involved with ethanol as an investor in 1995, and has served on the boards of two other ethanol companies. He continues to serve on the board of Tall Corn Ethanol in Coon Rapids, Iowa.

GORDON F. GLADE — Director.

GORDON F. GLADE, who has served as a Director since December 2007, also serves on the GPRE Board's Nominating Committee. For more than the past five years, Mr. Glade has served as President and CEO of AXIS Capital, Inc., a commercial equipment leasing company. In addition, Mr. Glade is President of Central Bio-Energy LLC, an ethanol production company under development, and a current investor in several other ethanol companies. Mr. Glade also serves as Vice President and a director of the Edgar Reynolds Foundation and as a director of the Brunswick State Bank.

BRIAN D. PETERSON — Executive Vice President and Director.

BRIAN D. PETERSON has served as Executive Vice President in charge of site development and as a Director of GPRE since 2005. For more than the past five years, Mr. Peterson has also been employed principally by his farming entities. The grain farming entity includes in excess of 13,000 acres in Iowa and Arkansas. Mr. Peterson also owns and operates a cattle feedlot with a capacity of 13,000 head in northwest Iowa. Additionally, Mr. Peterson is a board member of Natural Innovative Renewable Energy, LLC, which is a 60 million gallon biodiesel plant in the development stage and is involved in various other renewable fuels investments.

GARY PARKER — Director.

GARY R. PARKER, who has served as a Director since November 2007, also serves on the Board's Compensation Committee. Mr. Parker is the President, CEO and owner of GP&W Inc., d/b/a Center Oil Company, of St. Louis, Missouri, which he founded in 1986 to market gasoline and other petroleum products. Mr. Parker is also the founder of Center Ethanol Company LLC, which owns a 54 million gallon ethanol plant with rail and barge access on the Mississippi River, located in Sauget, Illinois. Mr. Parker also serves on the board of Reliance Bancshares Inc., a public company that trades over-the-counter.

JIM ANDERSON — Director

JIM ANDERSON joined United Malt Holdings ("UMH"), a producer of malt for use in the brewing and distilling industries, as a member of the Board and CEO in September of 2006. Prior to UMH, he served as COO/EVP of CT Malt, a joint venture between ConAgra Foods and Tiger Brands of South Africa. He held this position beginning in April of 2003. Mr. Anderson has over 26 years experience in the agricultural processing and trading business. He began his career at the Pillsbury Company in 1980 as an operations manager and in 1985 began work with the firm of Ferruzzi USA based in New Orleans. In 1995, he joined ConAgra Foods as Senior Vice President of the ConAgra Grain Companies in charge of asset operations and world trading. He became President in 2000. Mr. Anderson holds a BA-Finance from the University of Wisconsin-Platteville.

JIM BARRY — Director

JIM BARRY is Chief Executive of NTR plc, a leading international environmental and energy company. He was appointed Chief Executive in June 2000 having served as Assistant Chief Executive and General Manager, Development. Prior to joining NTR plc in 1998, Mr. Barry worked with Bain and Company, a global consulting firm, and in the investment banking division of Morgan Stanley. In his capacity of Chief Executive, Mr. Barry is Chairman of NTR subsidiaries Wind Capital Group (a North American wind farm developer), Greenstar (an international recycling operator), Stirling Energy Systems (an international solar thermal generation company) and National Toll Roads Limited. He was also Chairman of NTR subsidiary, Airtricity, (an international wind farm developer from its formation in 1999 to its sale in early 2008). Mr. Barry has a Bachelor of Commerce degree from University College, Cork and a Masters in Business Administration from the Harvard Business School.

JAMES CROWLEY — Director

JAMES CROWLEY has been the Chairman and Managing Partner of Old Strategic, LLC since July 2006. From 1993 until July 2006, Mr. Crowley was the Chairman and Managing Partner of Strategic Research Institute, which he co-founded in 1993. He served as President of Global Investment and Merchant Banking at Prudential Securities from 1986 to 1990 and served as Senior Advisor to the firm in 1991 and 1992. His previous experience also includes eight years in investment banking at Smith Barney Harris Upham & Co. He currently serves on the board and is audit committee chair of Core Molding Technologies, is on the board of Calder Capital Equity Partners and has served on a number of educational and not for profit boards. He graduated from Villanova University with a BS/BA and earned an MBA from the Wharton Graduate School of Business at the University of Pennsylvania.

MICHAEL WALSH — Director

MICHAEL WALSH was appointed Group Finance Director of NTR Plc in February 2003. Prior to joining NTR Plc, he was Group Finance Director and Company Secretary of Musgrave Group Plc for ten years. Mr. Walsh has a Bachelor of Commerce degree from University College Cork and is a Chartered Accountant who has worked with PricewaterhouseCoopers in both Dublin and London. In addition to his role at NTR Plc, Mr. Walsh is also a non-executive director of Boundary Capital Plc and Ecofin UCI Fund Plc.

ALAIN TREUER — Director

ALAIN TREUER is Chairman and Chief Executive Officer of Tellac Reuert Partners (TRP) SA, a global Investment and Financial Consulting firm. He was appointed Chief Executive in 2004 and become Chairman in 2005. Mr. Treuer has also controlled Wilon Holdings S.A. since 2006. Prior to joining TRP SA, Mr. Treuer was Chairman of TIGC, a global telecommunications company founded by Mr. Treuer in 1992 and sold in 2001. Mr. Treuer received a Bachelor of Economics degree from the University of St. Gallen in Switzerland and earned a Masters in Business Administration from the Graduate School of Business at Columbia University in New York.