E-TRACS USB Bloomberg Commodity Index Exchange Traded Notes E-TRACS UBS Bloomber (NY: UBM )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 23, 2011	23.50	23.12	23.12	23.12	1,400	-0.39(-1.68%)
May 19, 2011	23.52	23.52	23.52	23.52	0	-0.47(-1.98%)
May 18, 2011	23.88	23.99	23.57	23.99	9,769	+0.69(+2.96%)
May 17, 2011	23.61	23.61	23.23	23.30	995	+0.01(+0.04%)
May 16, 2011	23.29	23.29	23.29	23.29	635	-0.40(-1.69%)
May 12, 2011	23.69	23.69	23.69	23.69	0	-0.46(-1.90%)
May 10, 2011	23.00	24.15	24.15	24.15	600	+0.29(+1.22%)
May 09, 2011	23.80	23.86	23.69	23.86	1,207	-0.38(-1.57%)
May 06, 2011	23.91	24.24	23.91	24.24	1,400	+0.55(+2.32%)
May 05, 2011	24.16	24.16	23.68	23.69	3,920	-1.45(-5.77%)