Terra Nitrogen Company, L.P. Declares Quarterly Distribution

  Terra Nitrogen Company, L.P. Declares Quarterly Distribution

Business Wire

DEERFIELD, Ill. -- February 8, 2013

Terra Nitrogen Company, L.P. (TNCLP) (NYSE: TNH) today announced the
declaration of a cash distribution for the quarter ended December 31, 2012, of
$3.63 per common limited partnership unit. The distribution is payable
February 28, 2013, to holders of record as of February19, 2013.

TNCLP expects to report its fourth quarter and full year 2012 results on
Tuesday, February 19, 2013, after the market closes.

Cash distributions depend on TNCLP’s earnings, which can be affected by
nitrogen fertilizer selling prices, natural gas costs, seasonal demand
factors, production levels and weather, as well as cash requirements for
working capital needs and capital expenditures. Cash distributions per limited
partnership unit also vary based on increasing amounts allocable to the
General Partner when cumulative distributions exceed targeted levels. With
this distribution, TNCLP cumulative distributions continue to exceed targeted
levels.

This release serves as a qualified notice to nominees and brokers as provided
for under Treasury Regulation Section 1.1446-4(b). Please note that 100
percent of the Partnership's distributions to foreign investors are
attributable to income that is effectively connected with a United States
trade or business. Accordingly, the Partnership's distributions to foreign
investors are subject to federal income tax withholding at the highest
effective tax rate.

About TNCLP

Terra Nitrogen Company, L.P. is a leading manufacturer of nitrogen fertilizer
products.

TNCLP is the sole limited partner of Terra Nitrogen, Limited Partnership
(TNLP), owner of the Verdigris, Oklahoma, manufacturing facility and related
assets. Terra Nitrogen GP Inc., an indirect, wholly-owned subsidiary of CF
Industries Holdings, Inc., is the General Partner of TNCLP and exercises full
control over all of TNCLP’s business affairs.

Terra Nitrogen Company, L.P. news announcements are also available on CF
Industries’ Web site, www.cfindustries.com.

Contact:

Terra Nitrogen Company, L.P.
Dan Swenson
Senior Director, Investor Relations & Corporate Communications
847/405-2515
dswenson@cfindustries.com