General Wesley Clark Joins Waste-to-Fuel Company Board

Date: December 7, 2010

Source: Rentech, Inc.

Waste-to-fuel technology company Rentech, Inc. (Los Angeles, CA) announced that General Wesley K. Clark has joined its Board of Directors. General Clark served a distinguished career in the U.S. Army where he rose to the rank of four-star general and held the position of NATO Supreme Allied Commander and Commander in Chief of the U.S.-European Command. Since leaving the military, the former presidential candidate has remained highly influential as CEO of Wesley K. Clark & Associates, a strategic consulting firm he founded in March 2003 and as Chairman of investment bank Rodman & Renshaw. In recent years, Clark has focused on the energy business and serving as a board member of numerous domestic and international energy companies, including Bankers Petroleum Ltd., a Canadian-based oil and gas exploration and production company and Juhl Energy, Inc., a wind energy provider. He also serves as Chairman of Clean Terra, a firm he co-founded that is dedicated to financing, developing and managing scalable clean energy/fuel projects and implementing smart Clean Technology public policy. He is a member of the Clinton Global Initiative's Energy & Climate Change Advisory Board and ACORE's Advisory Board.


PRESS RELEASE

General Wesley K. Clark Joins Rentech's Board of Directors

Rentech, Inc. (NYSE AMEX: RTK) is pleased to announce that General Wesley K. Clark has been appointed to the Company's Board of Directors.

General Clark served a distinguished career in the U.S. Army where he rose to the rank of four-star general and held the position of NATO Supreme Allied Commander and Commander in Chief of the U.S.-European Command. Since leaving the military, General Clark has continued to provide leadership as a businessman, educator, writer and commentator. He serves as Chairman and Chief Executive Officer of Wesley K. Clark & Associates, a strategic consulting firm he founded in March 2003 and as Chairman of investment bank Rodman & Renshaw. General Clark has focused much of his time and efforts in recent years on the energy business, and he has served as an advisor to and a board member of numerous domestic and international energy companies, including Bankers Petroleum Ltd., a Canadian-based oil and gas exploration and production company and Juhl Energy, Inc., a wind energy provider. General Clark also serves as Chairman of Clean Terra, a firm he co-founded that is dedicated to financing, developing and managing scalable clean energy/fuel projects and implementing smart Clean Technology public policy. He is a member of the Clinton Global Initiative's Energy & Climate Change Advisory Board and ACORE's Advisory Board.

Commenting on General Clark's appointment to the Company's Board of Directors, D. Hunt Ramsbottom, President and Chief Executive Officer of Rentech, stated, "We are honored that General Clark has joined Rentech's Board of Directors. General Clark has extensive international, investment banking and entrepreneurial experience and a strong commitment to securing domestic alternative sources of energy. His vision and experience will contribute significantly to Rentech's role as a worldwide provider of clean energy solutions."

General Clark said, "I am committed to helping our nation find alternatives to our reliance on imported oil in an environmentally responsible way. I am excited to join Rentech's Board because its technologies and fuels present the opportunity to lessen our dependence on foreign oil while creating green jobs here at home."

About Rentech, Inc.

Rentech, Inc. (www.rentechinc.com), incorporated in 1981, provides clean energy solutions. The Company's Rentech-SilvaGas biomass gasification process can convert multiple biomass feedstocks into synthesis gas (syngas) for production of renewable fuels and power. Combining the gasification process with Rentech's unique application of syngas conditioning and clean-up technology and the patented Rentech Process based on Fischer-Tropsch chemistry, Rentech offers an integrated solution for production of synthetic fuels from biomass. The Rentech Process can also convert syngas from fossil resources into ultra-clean synthetic jet and diesel fuels, specialty waxes and chemicals. Final product upgrading is provided under an alliance with UOP, a Honeywell company. Rentech develops projects and licenses these technologies for application in synthetic fuels and power facilities worldwide. Rentech Energy Midwest Corporation, the Company's wholly-owned subsidiary, manufactures and sells nitrogen fertilizer products including ammonia, urea ammonia nitrate, urea granule, and urea solution in the corn-belt region of the central United States.

For More Information

Please contact: Julie Dawoodjee, Vice President of Investor Relations and Communications, Rentech, Inc. at 310.571.9800, extension 341, or by email at ir@rentk.com.

Contacts
Rentech, Inc.
Julie Dawoodjee, Vice President of Investor Relations and Communications
310-571-9800, extension 341
ir@rentk.com

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