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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Dec 30, 2011	9.251	9.281	9.218	9.221	15,821	+0.00(+0.00%)
Dec 29, 2011	9.239	9.294	9.185	9.221	46,906	-0.03(-0.33%)
Dec 28, 2011	9.294	9.298	9.239	9.251	40,546	-0.05(-0.52%)
Dec 27, 2011	9.185	9.306	9.185	9.300	38,720	+0.13(+1.45%)
Dec 23, 2011	9.100	9.167	9.100	9.167	15,691	+0.09(+1.00%)
Dec 21, 2011	9.070	9.088	9.052	9.076	41,137	+0.01(+0.07%)
Dec 20, 2011	9.142	9.160	9.070	9.070	84,301	-0.10(-1.06%)
Dec 19, 2011	9.136	9.167	9.100	9.167	20,125	+0.06(+0.61%)
Dec 16, 2011	9.076	9.124	9.076	9.111	38,010	+0.05(+0.53%)
Dec 15, 2011	9.064	9.142	9.064	9.064	49,706	-0.01(-0.07%)
Dec 14, 2011	9.197	9.267	9.046	9.070	101,503	-0.01(-0.13%)
Dec 13, 2011	9.342	9.463	9.058	9.082	177,851	-0.22(-2.31%)
Dec 12, 2011	9.273	9.484	9.273	9.297	85,866	+0.02(+0.26%)
Dec 09, 2011	9.255	9.309	9.195	9.273	50,525	+0.04(+0.46%)
Dec 08, 2011	9.303	9.321	9.183	9.231	59,045	-0.07(-0.78%)
Dec 07, 2011	9.303	9.484	9.279	9.303	69,551	+0.00(+0.00%)
Dec 06, 2011	9.195	9.417	9.195	9.303	40,514	+0.08(+0.91%)
Dec 05, 2011	9.207	9.273	9.152	9.219	68,445	+0.02(+0.26%)
Dec 02, 2011	9.098	9.231	9.074	9.195	59,184	+0.07(+0.79%)