BlackRock Municipal Income Investment Quality Trust Fund (NY: BAF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Sep 30, 2010	8.573	8.590	8.551	8.584	25,227	+0.01(+0.13%)
Sep 29, 2010	8.601	8.623	8.568	8.573	54,293	-0.07(-0.84%)
Sep 28, 2010	8.662	8.668	8.612	8.645	26,530	-0.02(-0.19%)
Sep 27, 2010	8.662	8.696	8.645	8.662	36,984	-0.01(-0.06%)
Sep 24, 2010	8.684	8.718	8.651	8.668	46,404	-0.03(-0.38%)
Sep 23, 2010	8.662	8.712	8.651	8.701	22,641	+0.05(+0.57%)
Sep 22, 2010	8.634	8.679	8.618	8.651	21,845	+0.02(+0.26%)
Sep 21, 2010	8.623	8.662	8.567	8.629	35,057	+0.01(+0.14%)
Sep 20, 2010	8.534	8.629	8.534	8.616	33,078	+0.07(+0.77%)
Sep 17, 2010	8.551	8.551	8.422	8.551	37,682	-0.07(-0.84%)
Sep 15, 2010	8.824	8.824	8.618	8.623	57,997	-0.20(-2.28%)
Sep 14, 2010	8.857	8.857	8.785	8.824	27,346	-0.03(-0.38%)
Sep 13, 2010	8.885	8.885	8.829	8.857	24,893	+0.02(+0.21%)
Sep 10, 2010	8.800	8.839	8.789	8.839	29,211	+0.05(+0.57%)
Sep 09, 2010	8.728	8.789	8.722	8.789	29,733	+0.07(+0.76%)
Sep 08, 2010	8.711	8.883	8.661	8.722	49,384	+0.05(+0.58%)
Sep 07, 2010	8.672	8.700	8.661	8.672	17,035	+0.01(+0.06%)
Sep 03, 2010	8.694	8.705	8.622	8.667	37,102	-0.01(-0.13%)
Sep 02, 2010	8.700	8.700	8.611	8.678	15,832	+0.00(+0.00%)