CF Industries Holdings (NY: CF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2006	2.547	2.599	2.497	2.582	4,229,836	+0.05(+1.97%)
May 30, 2006	2.592	2.621	2.500	2.532	2,017,011	-0.06(-2.33%)
May 26, 2006	2.585	2.615	2.534	2.592	3,621,888	+0.03(+1.12%)
May 25, 2006	2.529	2.620	2.512	2.564	2,858,480	+0.07(+2.79%)
May 24, 2006	2.473	2.509	2.434	2.494	4,538,771	+0.01(+0.55%)
May 23, 2006	2.532	2.594	2.458	2.481	3,181,307	-0.02(-0.97%)
May 22, 2006	2.550	2.627	2.440	2.505	9,796,629	-0.07(-2.59%)
May 19, 2006	2.565	2.621	2.540	2.571	4,138,544	+0.01(+0.24%)
May 18, 2006	2.561	2.620	2.527	2.565	1,739,167	+0.02(+0.77%)
May 17, 2006	2.617	2.651	2.524	2.546	4,124,652	-0.07(-2.71%)
May 16, 2006	2.521	2.650	2.515	2.617	2,810,849	+0.09(+3.65%)
May 15, 2006	2.527	2.562	2.509	2.524	1,487,785	-0.02(-0.83%)
May 12, 2006	2.577	2.589	2.534	2.546	1,647,876	-0.03(-1.23%)
May 11, 2006	2.641	2.694	2.576	2.577	2,398,715	-0.07(-2.63%)
May 10, 2006	2.642	2.721	2.615	2.647	3,519,350	-0.00(-0.06%)
May 09, 2006	2.664	2.674	2.645	2.648	1,874,120	-0.02(-0.57%)
May 08, 2006	2.715	2.715	2.635	2.664	1,966,734	-0.05(-1.84%)
May 05, 2006	2.706	2.729	2.671	2.713	2,597,175	+0.01(+0.28%)
May 04, 2006	2.771	2.771	2.701	2.706	2,984,171	-0.07(-2.35%)
May 03, 2006	2.827	2.827	2.753	2.771	4,166,329	-0.06(-2.24%)
May 02, 2006	2.713	2.834	2.706	2.834	5,832,067	+0.16(+5.93%)