CF Industries Holdings (NY: CF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2007	16.30	16.42	15.74	16.00	7,021,351	-0.28(-1.72%)
Dec 28, 2007	16.78	16.78	16.24	16.28	8,711,429	-0.27(-1.65%)
Dec 27, 2007	16.87	17.29	16.24	16.56	11,481,520	-0.39(-2.31%)
Dec 26, 2007	16.83	17.08	16.45	16.95	10,324,589	+0.33(+1.98%)
Dec 24, 2007	16.10	16.71	16.10	16.62	5,040,724	+0.48(+2.99%)
Dec 21, 2007	15.99	16.33	15.62	16.14	15,482,853	+0.47(+2.99%)
Dec 20, 2007	14.50	15.67	14.32	15.67	21,224,102	+1.46(+10.24%)
Dec 19, 2007	13.94	14.25	13.58	14.21	10,675,930	+0.22(+1.58%)
Dec 18, 2007	14.20	14.40	13.07	13.99	15,831,987	-0.05(-0.32%)
Dec 17, 2007	14.01	14.74	13.85	14.04	14,603,076	-0.07(-0.46%)
Dec 14, 2007	14.11	14.91	13.80	14.10	18,288,216	-0.20(-1.42%)
Dec 13, 2007	13.27	14.34	13.09	14.31	18,098,034	+0.87(+6.45%)
Dec 12, 2007	13.50	13.87	13.21	13.44	12,634,393	+0.24(+1.83%)
Dec 11, 2007	13.98	14.09	13.14	13.20	12,661,880	-0.73(-5.21%)
Dec 10, 2007	13.89	14.02	13.51	13.92	13,024,039	+0.15(+1.10%)
Dec 07, 2007	14.21	14.30	13.69	13.77	13,634,256	-0.37(-2.64%)
Dec 06, 2007	14.08	14.49	13.93	14.15	16,573,628	+0.24(+1.76%)
Dec 05, 2007	13.71	14.03	13.70	13.90	10,928,107	+0.39(+2.88%)
Dec 04, 2007	13.75	14.11	13.46	13.51	12,890,002	-0.32(-2.34%)