BlackRock Health Sciences Trust (NY: BME )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2006	7.327	7.449	7.327	7.370	108,950	+0.01(+0.17%)
May 30, 2006	7.400	7.477	7.327	7.357	62,630	-0.09(-1.19%)
May 26, 2006	7.465	7.502	7.361	7.446	79,266	+0.04(+0.58%)
May 25, 2006	7.364	7.486	7.361	7.403	73,068	-0.02(-0.33%)
May 24, 2006	7.327	7.428	7.281	7.428	50,234	+0.13(+1.81%)
May 23, 2006	7.511	7.511	7.287	7.296	123,629	-0.17(-2.22%)
May 22, 2006	7.345	7.486	7.284	7.462	152,008	-0.04(-0.49%)
May 19, 2006	7.511	7.566	7.449	7.498	73,068	-0.02(-0.33%)
May 18, 2006	7.609	7.609	7.523	7.523	98,838	-0.09(-1.13%)
May 17, 2006	7.594	7.615	7.532	7.609	86,116	-0.02(-0.20%)
May 16, 2006	7.649	7.664	7.590	7.624	137,656	-0.02(-0.32%)
May 15, 2006	7.557	7.649	7.514	7.649	91,009	+0.13(+1.80%)
May 12, 2006	7.532	7.566	7.502	7.514	32,293	-0.02(-0.24%)
May 11, 2006	7.563	7.563	7.483	7.532	118,084	-0.02(-0.20%)
May 10, 2006	7.609	7.633	7.529	7.548	126,239	-0.07(-0.93%)
May 09, 2006	7.639	7.639	7.594	7.618	86,116	+0.01(+0.12%)
May 08, 2006	7.695	7.695	7.609	7.609	86,116	-0.09(-1.12%)
May 05, 2006	7.649	7.695	7.649	7.695	170,276	+0.05(+0.60%)
May 04, 2006	7.621	7.692	7.621	7.649	48,603	+0.03(+0.40%)
May 03, 2006	7.633	7.667	7.594	7.618	57,411	-0.03(-0.44%)
May 02, 2006	7.664	7.692	7.621	7.652	91,009	-0.01(-0.16%)