Integration of the SilvaGas gasification technology, which converts a variety of biomass feedstocks into synthesis gas (syngas), with Rentech's proprietary syngas conditioning and cleanup technology and the Rentech Process, will enable Rentech to offer integrated packages for renewable fuels and power production. These offerings can be tailored to optimize the conversion of a variety of renewable feedstock types into ultra-clean diesel fuel, jet fuel and electric power, with life-cycle carbon footprints that can be near zero.

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 renewable power production and through Rentech's unique application of proven commercial syngas conditioning and clean-up technology, can be integrated for conversion to hydrocarbons by the patented Rentech Process based on Fischer-Tropsch chemistry. The Rentech Process can also convert syngas from fossil resources into hydrocarbons. These hydrocarbons can be processed and upgraded into ultra-clean synthetic jet and diesel fuels, specialty waxes and chemicals. Rentech develops 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 fertilizer products including ammonia, urea ammonia nitrate, urea granule and urea solution to the corn-belt region.

Safe Harbor

This press release contains forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995 about matters such as the capabilities of the SilvaGas biomass gasification technology, the ability to integrate the gasification technology with Rentech technologies and the characteristics of the renewable fuels to be produced from the technologies. These statements are based on management's current expectations and actual results may differ materially as a result of various risks and uncertainties. Other factors that could cause actual results to differ from those reflected in the forward-looking statements include the ability to create and successfully market a combined technology offering and those factors set forth in the Company's press releases and periodic public filings with the Securities and Exchange Commission, which are available via Rentech's web site at www.rentechinc.com. The forward-looking statements in this press release are made as of the date of this release, and Rentech does not undertake to revise or update these forward-looking statements, except to the extent that it is required to do so under applicable law.

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.

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