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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Mar 31, 2011	7.453	7.476	7.435	7.476	26,876	+0.01(+0.13%)
Mar 30, 2011	7.464	7.481	7.464	7.466	24,704	-0.02(-0.20%)
Mar 29, 2011	7.493	7.493	7.458	7.481	19,893	-0.01(-0.08%)
Mar 28, 2011	7.430	7.487	7.429	7.487	14,955	+0.06(+0.86%)
Mar 25, 2011	7.406	7.430	7.406	7.423	31,477	+0.01(+0.15%)
Mar 24, 2011	7.412	7.430	7.412	7.412	13,390	-0.01(-0.16%)
Mar 23, 2011	7.406	7.441	7.406	7.424	29,204	-0.01(-0.08%)
Mar 22, 2011	7.430	7.441	7.383	7.430	22,523	-0.01(-0.08%)
Mar 21, 2011	7.447	7.453	7.435	7.435	28,018	+0.01(+0.16%)
Mar 18, 2011	7.430	7.447	7.424	7.424	18,170	-0.01(-0.08%)
Mar 17, 2011	7.424	7.447	7.424	7.430	25,448	+0.01(+0.16%)
Mar 16, 2011	7.435	7.470	7.418	7.418	16,947	-0.01(-0.15%)
Mar 15, 2011	7.412	7.429	7.406	7.429	24,095	-0.01(-0.16%)
Mar 14, 2011	7.499	7.528	7.395	7.441	37,558	-0.06(-0.77%)
Mar 11, 2011	7.504	7.528	7.499	7.499	13,109	-0.01(-0.08%)
Mar 10, 2011	7.502	7.519	7.456	7.505	36,689	+0.00(+0.04%)
Mar 09, 2011	7.513	7.536	7.502	7.502	26,269	-0.01(-0.08%)
Mar 08, 2011	7.473	7.548	7.473	7.508	38,490	+0.04(+0.54%)
Mar 07, 2011	7.525	7.525	7.450	7.467	35,745	-0.05(-0.72%)
Mar 04, 2011	7.548	7.553	7.513	7.521	24,402	-0.02(-0.27%)
Mar 03, 2011	7.571	7.576	7.519	7.542	38,202	-0.02(-0.30%)
Mar 02, 2011	7.559	7.588	7.559	7.565	23,938	+0.00(+0.00%)