Rentech welcomes new investor, settlement with CRS

April 10, 2014, Los Angeles, Calif. – Rentech, Inc. today
announced that GSO Capital Partners LP, the credit investment arm of
Blackstone, will invest $150 million in Rentech in the form of $100 million of
convertible preferred stock and a $50 million term loan. The transactions
closed on April 9, 2014.

In connection with this investment, Blackstone/GSO appointed
two members to Rentech’s Board of Directors: Douglas Ostrover, a senior
managing director of Blackstone and co-founder of GSO Capital Partners, and
Patrick Moore, the former chairman and chief executive officer of Smurfit-Stone
Container Corporation, a paper-based packaging company with significant wood
fibre operations.

Rentech also announced a settlement with Concerned Rentech
Shareholders, whereby CRS will approve an additional member to join Rentech’s
Board of Directors and the board’s newly formed Finance Committee. A slide
presentation regarding today's announcements appears on Rentech’s website,
www.rentechinc.com.