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Press Release

Rentech Announces Conference Schedule for June 2010

LOS ANGELES, Jun 01, 2010 (BUSINESS WIRE) --Rentech, Inc. (NYSE AMEX: RTK) today announced its conference schedule for June 2010. Where applicable, the power point presentation and webcasts for the conferences will be available on the Company's website www.rentechinc.com.

June 3, 2010

Credit Suisse Future of Energy Conference
Biofuels Panel
Washington D.C.
Presenter: Hunt Ramsbottom, President & CEO
Speaking Time: 10:30 a.m. EST (Panel)

June 9, 2010

Lazard Capital Markets Annual Alternative Energy Investor Summit
Alternative Fuels Panel
New York, New York
Presenter: Dan Cohrs, Executive Vice President & CFO
Speaking Time: 11:00 a.m. EST (Panel)

June 14, 2010

Brean Murray, Carrett & Co. 2010 Global Resources & Infrastructure European Conference
Zurich, Switzerland
Presenter: Hunt Ramsbottom, President & CEO

June 23-27, 2010

ASTM Subcommittee D2 on Petroleum Products
Kansas City, MO
Attendee: Dr. Robert Freerks, Director of Product Development

About Rentech, Inc.

Rentech, Inc. (http://cts.businesswire.com/ct/CT?id=smartlink&url=http%3A%2F%2Fwww.rentechinc.com&esheet=6310006&lan=en_US&anchor=www.rentechinc.com&index=2&md5=db165f13ec2cfc99d62877984da79c4a), 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 and acid gas removal technologies are 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. Rentech has been recognized by Biofuels Digest as one of the "50 Hottest Companies in Bio-energy" and has been named as one of the "Biofuels Digest Companies of the Year" for its recent innovations and achievements, particularly in aviation biofuels.

SOURCE: Rentech, Inc.

Rentech, Inc.
Julie Dawoodjee, 310-571-9800, extension 341
VP of Investor Relations
ir@rentk.com