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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2012	9.671	9.702	9.665	9.702	31,578	+0.02(+0.26%)
May 30, 2012	9.715	9.715	9.678	9.678	30,627	+0.00(+0.00%)
May 29, 2012	9.696	9.702	9.659	9.678	21,106	-0.01(-0.06%)
May 25, 2012	9.721	9.727	9.659	9.684	31,875	-0.01(-0.06%)
May 24, 2012	9.733	9.733	9.659	9.690	24,213	-0.03(-0.32%)
May 23, 2012	9.702	9.727	9.702	9.721	17,463	+0.02(+0.26%)
May 22, 2012	9.709	9.709	9.662	9.696	45,957	+0.01(+0.06%)
May 21, 2012	9.671	9.690	9.647	9.690	15,630	+0.05(+0.51%)
May 18, 2012	9.665	9.671	9.641	9.641	10,520	-0.01(-0.06%)
May 17, 2012	9.733	9.733	9.634	9.647	47,306	-0.07(-0.76%)
May 16, 2012	9.740	9.740	9.673	9.721	33,126	+0.00(+0.00%)
May 15, 2012	9.709	9.721	9.684	9.721	18,633	+0.04(+0.45%)
May 14, 2012	9.678	9.696	9.665	9.678	10,192	-0.02(-0.26%)
May 11, 2012	9.715	9.715	9.679	9.702	11,122	+0.03(+0.28%)
May 10, 2012	9.693	9.693	9.644	9.675	17,477	-0.01(-0.06%)
May 09, 2012	9.650	9.681	9.642	9.681	38,893	+0.04(+0.45%)
May 08, 2012	9.638	9.638	9.613	9.638	9,757	+0.01(+0.06%)
May 07, 2012	9.632	9.632	9.589	9.632	36,187	+0.01(+0.13%)
May 04, 2012	9.607	9.629	9.558	9.619	43,069	+0.02(+0.19%)
May 03, 2012	9.545	9.601	9.539	9.601	38,875	+0.05(+0.52%)
May 02, 2012	9.564	9.570	9.552	9.552	24,111	-0.03(-0.32%)