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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Sep 30, 2011	14.50	14.52	14.43	14.43	4,809	-0.04(-0.28%)
Sep 29, 2011	14.39	14.47	14.37	14.47	4,464	+0.09(+0.63%)
Sep 28, 2011	14.30	14.41	14.30	14.38	9,942	+0.11(+0.77%)
Sep 27, 2011	14.24	14.34	14.24	14.27	5,224	-0.00(-0.01%)
Sep 26, 2011	14.30	14.30	14.17	14.27	16,012	+0.01(+0.08%)
Sep 23, 2011	14.21	14.26	14.17	14.26	7,513	+0.07(+0.49%)
Sep 22, 2011	14.20	14.26	14.09	14.19	32,154	-0.01(-0.07%)
Sep 21, 2011	14.19	14.24	14.16	14.20	12,226	-0.00(-0.00%)
Sep 20, 2011	14.13	14.26	14.12	14.20	14,273	+0.09(+0.64%)
Sep 19, 2011	13.90	14.11	13.90	14.11	25,751	+0.11(+0.79%)
Sep 16, 2011	13.99	14.02	13.95	14.00	8,905	+0.01(+0.07%)
Sep 15, 2011	14.05	14.05	13.92	13.99	11,686	-0.08(-0.57%)
Sep 14, 2011	14.01	14.07	14.01	14.07	11,250	+0.08(+0.57%)
Sep 13, 2011	13.89	13.99	13.89	13.99	7,285	+0.04(+0.29%)
Sep 12, 2011	13.85	13.99	13.85	13.95	16,878	+0.03(+0.22%)
Sep 09, 2011	13.85	13.92	13.84	13.92	12,565	+0.07(+0.51%)
Sep 08, 2011	13.88	13.92	13.85	13.85	8,586	-0.04(-0.29%)
Sep 07, 2011	13.85	13.94	13.85	13.89	11,958	+0.06(+0.43%)
Sep 06, 2011	13.82	13.94	13.79	13.83	8,578	-0.01(-0.07%)
Sep 02, 2011	13.90	13.90	13.83	13.84	8,571	-0.07(-0.50%)
Sep 01, 2011	13.94	13.98	13.91	13.91	10,364	-0.01(-0.07%)
Aug 31, 2011	13.88	13.95	13.88	13.92	13,805	+0.03(+0.22%)
Aug 30, 2011	13.90	13.94	13.82	13.89	12,136	-0.05(-0.36%)
Aug 29, 2011	13.90	13.94	13.85	13.94	13,060	+0.08(+0.58%)
Aug 26, 2011	13.79	13.86	13.75	13.86	13,468	+0.07(+0.51%)
Aug 25, 2011	13.76	13.79	13.75	13.79	12,862	+0.04(+0.29%)
Aug 24, 2011	13.81	13.86	13.71	13.75	25,568	-0.05(-0.36%)
Aug 23, 2011	13.70	13.82	13.66	13.80	15,235	+0.08(+0.58%)
Aug 22, 2011	13.70	13.73	13.65	13.72	13,078	+0.06(+0.44%)
Aug 19, 2011	13.73	13.76	13.66	13.66	9,626	-0.10(-0.73%)
Aug 18, 2011	13.80	13.80	13.60	13.76	13,315	-0.06(-0.43%)
Aug 17, 2011	13.77	13.82	13.75	13.82	17,200	+0.07(+0.51%)
Aug 16, 2011	13.77	13.78	13.68	13.75	8,328	-0.04(-0.29%)
Aug 15, 2011	13.69	13.79	13.68	13.79	9,568	+0.12(+0.88%)
Aug 12, 2011	13.53	13.67	13.53	13.67	6,903	+0.13(+0.96%)
Aug 11, 2011	13.42	13.54	13.34	13.54	10,653	+0.05(+0.37%)
Aug 10, 2011	13.22	13.51	13.22	13.49	15,524	+0.23(+1.73%)
Aug 09, 2011	13.69	13.29	12.92	13.26	33,217	+0.20(+1.53%)
Aug 08, 2011	13.69	13.69	13.06	13.06	39,952	-0.68(-4.95%)
Aug 05, 2011	13.76	13.88	13.36	13.74	17,488	-0.07(-0.51%)
Aug 04, 2011	13.97	13.97	13.68	13.81	23,692	-0.09(-0.65%)
Aug 03, 2011	13.84	13.90	13.84	13.90	4,925	+0.08(+0.58%)
Aug 02, 2011	13.60	13.82	13.60	13.82	13,346	+0.18(+1.32%)
Aug 01, 2011	13.51	13.64	13.51	13.64	18,039	+0.22(+1.64%)
Jul 29, 2011	13.40	13.43	13.16	13.42	28,886	-0.11(-0.81%)
Jul 28, 2011	13.66	13.66	13.44	13.53	24,281	-0.04(-0.29%)
Jul 27, 2011	13.86	13.86	13.57	13.57	25,432	-0.30(-2.16%)
Jul 26, 2011	13.98	13.99	13.87	13.87	10,249	-0.11(-0.79%)
Jul 25, 2011	14.07	14.08	13.96	13.98	15,793	-0.10(-0.71%)
Jul 22, 2011	14.01	14.08	13.97	14.08	12,909	+0.12(+0.86%)
Jul 21, 2011	13.92	13.98	13.92	13.96	15,083	+0.04(+0.29%)
Jul 20, 2011	13.72	13.93	13.72	13.92	28,054	+0.20(+1.43%)
Jul 19, 2011	13.71	13.74	13.71	13.72	6,199	+0.04(+0.32%)
Jul 18, 2011	13.76	13.77	13.65	13.68	16,369	-0.08(-0.58%)
Jul 15, 2011	13.83	13.83	13.76	13.76	4,000	-0.07(-0.51%)
Jul 14, 2011	13.88	13.89	13.82	13.83	4,701	-0.02(-0.14%)
Jul 13, 2011	13.86	13.91	13.85	13.85	2,804	-0.09(-0.65%)
Jul 12, 2011	13.86	13.94	13.85	13.94	18,982	+0.09(+0.65%)
Jul 11, 2011	13.94	13.95	13.84	13.85	18,872	-0.09(-0.65%)
Jul 08, 2011	13.89	13.94	13.89	13.94	8,311	+0.06(+0.43%)
Jul 07, 2011	13.87	13.92	13.87	13.88	7,152	+0.03(+0.22%)
Jul 06, 2011	13.80	13.85	13.72	13.85	19,612	+0.11(+0.80%)
Jul 05, 2011	13.67	13.81	13.67	13.74	13,831	+0.05(+0.37%)