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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	7.490	7.513	7.467	7.513	22,565	+0.03(+0.39%)
Apr 28, 2011	7.479	7.490	7.473	7.484	12,316	+0.01(+0.08%)
Apr 27, 2011	7.455	7.479	7.455	7.479	16,152	+0.04(+0.55%)
Apr 26, 2011	7.450	7.467	7.438	7.438	31,373	-0.02(-0.31%)
Apr 25, 2011	7.461	7.461	7.441	7.461	13,028	+0.01(+0.08%)
Apr 21, 2011	7.455	7.461	7.455	7.455	18,648	-0.01(-0.08%)
Apr 20, 2011	7.380	7.467	7.380	7.461	25,399	+0.09(+1.18%)
Apr 19, 2011	7.363	7.392	7.345	7.374	14,937	+0.01(+0.16%)
Apr 18, 2011	7.339	7.363	7.328	7.363	58,654	-0.01(-0.19%)
Apr 15, 2011	7.368	7.397	7.368	7.376	37,305	+0.00(+0.03%)
Apr 14, 2011	7.421	7.426	7.357	7.374	41,145	-0.04(-0.55%)
Apr 13, 2011	7.438	7.438	7.415	7.415	14,087	-0.01(-0.20%)
Apr 12, 2011	7.453	7.453	7.412	7.430	65,368	-0.03(-0.39%)
Apr 11, 2011	7.470	7.470	7.441	7.458	31,291	-0.01(-0.15%)
Apr 08, 2011	7.470	7.473	7.458	7.470	18,637	+0.00(+0.00%)
Apr 07, 2011	7.516	7.516	7.447	7.470	38,479	-0.02(-0.23%)
Apr 06, 2011	7.464	7.499	7.464	7.487	13,567	+0.01(+0.15%)
Apr 05, 2011	7.476	7.493	7.476	7.476	11,535	-0.01(-0.08%)
Apr 04, 2011	7.499	7.510	7.481	7.481	61,051	-0.02(-0.23%)