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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Sep 30, 2008	5.788	5.788	5.521	5.585	63,701	+0.16(+2.95%)
Sep 29, 2008	5.713	5.772	5.382	5.425	32,353	-0.42(-7.21%)
Sep 26, 2008	6.001	6.001	5.846	5.846	0	-0.15(-2.49%)
Sep 25, 2008	5.894	6.001	5.894	5.996	57,646	+0.15(+2.65%)
Sep 24, 2008	5.894	6.038	5.804	5.841	22,308	-0.11(-1.79%)
Sep 23, 2008	5.948	5.948	5.894	5.948	26,057	-0.02(-0.36%)
Sep 22, 2008	6.044	6.044	5.948	5.969	25,139	-0.07(-1.24%)
Sep 19, 2008	5.889	6.060	5.889	6.044	0	+0.21(+3.66%)
Sep 18, 2008	6.145	6.145	5.649	5.830	54,828	-0.33(-5.40%)
Sep 17, 2008	6.246	6.246	6.163	6.163	20,433	-0.17(-2.66%)
Sep 16, 2008	6.406	6.406	6.332	6.332	19,777	-0.13(-1.98%)
Sep 15, 2008	6.502	6.502	6.433	6.460	29,994	-0.09(-1.38%)
Sep 12, 2008	6.540	6.559	6.540	6.550	5,436	-0.01(-0.08%)
Sep 11, 2008	6.582	6.582	6.534	6.556	31,696	-0.05(-0.81%)
Sep 10, 2008	6.657	6.657	6.598	6.609	16,497	-0.06(-0.88%)
Sep 09, 2008	6.695	6.695	6.630	6.668	16,684	-0.02(-0.24%)
Sep 08, 2008	6.668	6.695	6.652	6.684	7,686	+0.03(+0.40%)
Sep 05, 2008	6.636	6.657	6.636	6.657	0	+0.01(+0.16%)
Sep 04, 2008	6.614	6.646	6.614	6.646	17,291	+0.04(+0.56%)
Sep 03, 2008	6.614	6.625	6.588	6.609	10,335	+0.01(+0.08%)