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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	7.404	7.508	7.404	7.508	35,306	+0.09(+1.16%)
Feb 25, 2011	7.387	7.445	7.382	7.422	27,433	+0.03(+0.47%)
Feb 24, 2011	7.318	7.450	7.318	7.387	29,680	+0.07(+0.94%)
Feb 23, 2011	7.273	7.365	7.273	7.318	37,586	+0.04(+0.55%)
Feb 22, 2011	7.341	7.376	7.278	7.278	65,206	-0.14(-1.85%)
Feb 18, 2011	7.450	7.450	7.416	7.416	14,163	-0.02(-0.25%)
Feb 17, 2011	7.364	7.450	7.364	7.434	28,050	+0.07(+0.95%)
Feb 16, 2011	7.313	7.376	7.313	7.364	21,137	+0.05(+0.72%)
Feb 15, 2011	7.307	7.347	7.301	7.312	26,937	+0.01(+0.14%)
Feb 14, 2011	7.387	7.387	7.301	7.301	39,968	-0.10(-1.32%)
Feb 11, 2011	7.353	7.462	7.353	7.399	65,667	+0.05(+0.66%)
Feb 10, 2011	7.356	7.396	7.339	7.350	32,736	+0.00(+0.00%)
Feb 09, 2011	7.356	7.384	7.316	7.350	46,236	-0.02(-0.23%)
Feb 08, 2011	7.447	7.447	7.356	7.367	26,390	-0.01(-0.08%)
Feb 07, 2011	7.333	7.390	7.322	7.373	37,957	+0.05(+0.62%)
Feb 04, 2011	7.339	7.339	7.305	7.328	21,020	-0.02(-0.31%)
Feb 03, 2011	7.328	7.350	7.316	7.350	24,470	+0.03(+0.47%)
Feb 02, 2011	7.305	7.328	7.293	7.316	19,459	+0.01(+0.16%)