Terra Nitrogen Company, L.P. entered into an amended and restated terminal lease agreement, by and between the company and CF Industries Inc. The terminal lease amends and restates the lease agreement, dated December 29, 2010, between the company and CF Industries pursuant to which CF Industries leased two terminals owned by the company (one located near Blair, Nebraska and the other located near Pekin, Illinois) for a base quarterly rent of $109,000 and additional rent equal to all costs, expenses, and obligations incurred by CF Industries related to the use, occupancy and operation of the facilities. Under the terminal lease, CF Industries will lease only the Blair terminal, including any improvements located thereon but excluding the urea ammonium nitrate storage tank located thereon (which was taken out of service during 2011), from the company for a base quarterly rent of $100,000 and an additional rent equal to all costs, expenses, and obligations incurred by CF Industries and related to the use, occupancy and operation of the property which may arise or become due during the term of the lease. The base quarterly rent is subject to an annual increase in accordance with the percentage increase in the U.S. Department of Labor Consumer Price Index (CPI-U) for All Urban Consumers, All Items, Midwest Region.

The lease is effective for a five-year term starting on January 1, 2013, and CF Industries has three options to renew for additional five-year terms.