John Diesch, President of Rentech Nitrogen, said, “We’re pleased that the DEF portion of the urea/DEF expansion has been completed ahead of schedule, allowing us to sell this premium product sooner than anticipated.” Mr. Diesch continued, “The expansion has allowed us to enter into a relatively new and growing market, which we can access through Yara, our distribution partner.”“We look forward to a successful long-term partnership with Rentech Nitrogen,” adds Chad Dombroski, Director of Air1 for Yara. “Our customers depend upon the reliable delivery of quality DEF through our DeliveryOne network, the nation’s most robust coast-to-coast DEF delivery network. This partnership reflects our on-going commitment to expanding our global supply chain capabilities to ensure Air1 DEF is available when and where our customers need it.” About Rentech Nitrogen, L.P. Rentech Nitrogen ( www.rentechnitrogen.com) was formed by Rentech, Inc. to own, operate and expand its nitrogen fertilizer business. Rentech Nitrogen’s assets consist of a nitrogen fertilizer facility located in East Dubuque, Illinois, owned by Rentech Nitrogen, LLC, its operating subsidiary. The facility is located in the Mid Corn Belt in the northwestern corner of Illinois, adjacent to the Iowa and Wisconsin state lines, and produces primarily anhydrous ammonia and urea ammonium nitrate solution, using natural gas as its primary feedstock, for sale to customers in the Mid Corn Belt. Forward Looking Statements This press release contains forward-looking statements such as: the timing, cost and projected production of the urea/DEF expansion project; and the projected growth of the U.S. DEF market. 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 are set forth in Rentech Nitrogen’s prior press releases and periodic public filings with the Securities and Exchange Commission, which are available via Rentech Nitrogen’s website at www.rentechnitrogen.com. The forward-looking statements in this press release are made as of the date of this press release and Rentech Nitrogen 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.