Rentech Announces Appointment of John A. Williams to Its Board of Directors

LOS ANGELES--Rentech, Inc. (NYSE AMEX:RTK) is pleased to announce today that it has appointed John A. Williams to the Company’s Board of Directors effective immediately.

Mr. Williams has over 40 years of business experience, principally in the real estate and banking industries. Since 2004, Mr. Williams has served as the Chief Executive Officer, President and Managing Member of Corporate Holdings, LLC, a diversified holdings company, and since November 2004, he has served as Chief Executive Officer and Managing Member of Williams Realty Advisors, LLC, a real estate fund advisor to over $3 billion in assets. Mr. Williams also has nearly 20 years of alternative energy experience stemming from his investment in the biomass gasification company SilvaGas Corporation, which was acquired by Rentech in June 2009, creating an unmatched capability to transform biomass resources into renewable low-carbon certified drop-in fuels.

In 1970, Mr. Williams founded Post Properties, Inc., a developer, owner and manager of upscale multifamily apartment communities in selected markets in the United States. He took the company public in 1993 and served as its Chief Executive Officer from 1970 until 2002, and served on its Board of Directors from inception until 2004.

Mr. Williams currently serves on the Board of Directors of the Atlanta Falcons of which he is also a minority owner. He previously served on a variety of Boards of Directors, including those of NationsBank Corporation, Barnett Banks, Inc. and Crawford & Company.

During his career, Mr. Williams has received 40 awards, honors and medals, including being named “Entrepreneur of the Year” by both the Stanford Business School and Ernst & Young. He has also been given The Wall Street Transcript “CEO Award for Commercial Real Estate” and has been named “CEO of the Year” by Financial World. Most recently, Mr. Williams was inducted into the Georgia State University J. Mack Robinson College of Business Hall of Fame as well as the Georgia Institute of Technology College of Management Hall of Fame.

Commenting on Mr. Williams’ appointment to the Company’s Board of Directors, D. Hunt Ramsbottom, President and Chief Executive Officer of Rentech, stated, “We are pleased that Mr. Williams has joined Rentech’s Board of Directors. His entrepreneurial and leadership experience as well as his proven track record of growing companies will serve Rentech well as we commercialize our technologies and grow into a multi-national company offering clean energy solutions.”

Mr. Williams said, "Rentech is one of the most exciting companies I have had the pleasure of being involved with and I look forward to serving on its Board of Directors."

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.