X0303 4 2009-05-04 1 0000879575 TERRA NITROGEN CO L P /DE TNH 0001236303 LONGMIRE DENNIS B 600 FOURTH STREET P.O. BOX 6000 SIOUX CITY IA 51102-6000 1 0 0 0 Phantom Unit 2009-05-04 4 A 0 2405.34 121.42 A 2405.34 D Phantom Unit 2009-05-04 4 A 0 1037.58 132.26 A 3442.92 D Phantom Unit 2009-05-04 4 D 0 3442.92 D 0 D Phantom Unit 0.00 2009-05-04 4 D 0 2054.34 0.00 D Phantom Units 2054.34 1037.58 D Phantom Unit 0.00 2009-05-04 4 D 0 1037.58 0.00 D Phantom Units 1037.58 0 D This transaction represents the reporting person's right, under Plan I of the Company's deferred compensation plan for outside directors, to a cash settlement of the phantom units awarded under this plan plus accrued distributions, to be settled upon the reporting person's departure from the Company's Board of Directors in cash on a one-for-one basis based upon the average closing price of the Company's common units for the 20 trading days immediately preceding the March 6, 2009 date of Amendment Number One to the reporting person's phantom award agreement dated October 30, 2007. This transaction represents the reporting person's right, by virtue of a board resolution adopted May 4, 2009, to a cash settlement of his annual phantom unit award granted January 15, 2009, plus accrued Quarter 1, 2009 distribution, to be settled in cash on a one-for-one basis based upon the average closing price of the Company's units for the 20 trading days immediately preceding the reporting person's retirement date of May 4, 2009. The prices for this cash pay out are $121.42 for the 2405.34 units under Plan I of the Company's deferred compensation plan for outside directors and $132.26 for the 1037.58 units under Plan II. John W. Huey, by Power of Attorney for Dennis B. Longmire 2009-05-06