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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Sep 30, 2011	8.639	8.651	8.597	8.597	8,071	-0.02(-0.28%)
Sep 29, 2011	8.573	8.621	8.563	8.621	7,492	+0.05(+0.63%)
Sep 28, 2011	8.520	8.585	8.520	8.567	16,687	+0.07(+0.77%)
Sep 27, 2011	8.484	8.544	8.484	8.502	8,768	-0.00(-0.01%)
Sep 26, 2011	8.520	8.520	8.442	8.503	26,875	+0.01(+0.08%)
Sep 23, 2011	8.466	8.496	8.442	8.496	12,610	+0.04(+0.49%)
Sep 22, 2011	8.460	8.496	8.395	8.454	53,968	-0.01(-0.07%)
Sep 21, 2011	8.454	8.484	8.436	8.460	20,520	-0.00(-0.00%)
Sep 20, 2011	8.418	8.496	8.414	8.460	23,956	+0.05(+0.64%)
Sep 19, 2011	8.281	8.407	8.281	8.407	43,221	+0.07(+0.79%)
Sep 16, 2011	8.335	8.353	8.311	8.341	14,946	+0.01(+0.07%)
Sep 15, 2011	8.371	8.371	8.293	8.335	19,614	-0.05(-0.57%)
Sep 14, 2011	8.347	8.383	8.347	8.383	18,882	+0.05(+0.57%)
Sep 13, 2011	8.276	8.335	8.276	8.335	12,227	+0.07(+0.83%)
Sep 12, 2011	8.208	8.291	8.208	8.267	28,480	+0.02(+0.22%)
Sep 09, 2011	8.208	8.251	8.202	8.249	21,202	+0.04(+0.51%)
Sep 08, 2011	8.225	8.249	8.208	8.208	14,488	-0.02(-0.29%)
Sep 07, 2011	8.208	8.261	8.208	8.231	20,178	+0.04(+0.43%)
Sep 06, 2011	8.190	8.261	8.172	8.196	14,475	-0.01(-0.07%)
Sep 02, 2011	8.237	8.237	8.196	8.202	14,463	-0.04(-0.50%)