US Preferred Stock Ishares ETF (NY: PFF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2007	50.29	50.36	50.23	50.34	15,200	+0.07(+0.14%)
May 30, 2007	50.19	50.30	50.19	50.27	7,600	+0.13(+0.26%)
May 29, 2007	50.17	50.23	50.14	50.14	4,500	+0.01(+0.02%)
May 25, 2007	50.10	50.19	50.04	50.13	12,400	-0.09(-0.18%)
May 24, 2007	50.24	50.26	50.11	50.22	15,100	-0.08(-0.16%)
May 23, 2007	50.30	50.38	50.28	50.30	5,500	+0.00(+0.00%)
May 22, 2007	50.21	50.51	50.20	50.30	20,500	+0.07(+0.14%)
May 21, 2007	50.12	50.23	50.12	50.23	9,800	+0.04(+0.07%)
May 18, 2007	50.21	50.23	50.14	50.19	20,300	-0.05(-0.09%)
May 17, 2007	50.25	50.27	50.19	50.24	10,700	-0.09(-0.18%)
May 16, 2007	50.45	50.46	50.25	50.33	13,100	-0.13(-0.26%)
May 15, 2007	50.51	50.57	50.45	50.46	9,400	-0.02(-0.04%)
May 14, 2007	50.55	50.55	50.48	50.48	14,200	+0.11(+0.22%)
May 11, 2007	50.30	50.38	50.30	50.37	5,500	+0.19(+0.38%)
May 10, 2007	50.30	50.30	50.18	50.18	10,200	-0.06(-0.12%)
May 09, 2007	50.35	50.35	50.24	50.24	21,100	-0.03(-0.06%)
May 08, 2007	50.27	50.28	50.18	50.27	24,400	+0.07(+0.14%)
May 07, 2007	50.22	50.24	50.17	50.20	55,400	+0.03(+0.06%)
May 04, 2007	50.20	50.20	50.16	50.17	32,900	-0.01(-0.02%)
May 03, 2007	50.21	50.21	50.14	50.18	19,600	+0.04(+0.08%)
May 02, 2007	50.04	50.14	50.04	50.14	11,800	+0.13(+0.26%)