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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 30, 2008	7.004	7.021	7.004	7.009	20,216	+0.00(+0.00%)
May 29, 2008	7.031	7.031	7.009	7.009	13,872	+0.01(+0.08%)
May 28, 2008	6.977	7.015	6.977	7.004	10,123	+0.00(+0.00%)
May 27, 2008	6.972	7.004	6.972	7.004	25,495	+0.03(+0.38%)
May 26, 2008	6.988	6.988	6.956	6.977	0	+0.00(+0.00%)
May 23, 2008	6.988	6.988	6.956	6.977	21,236	-0.01(-0.15%)
May 22, 2008	6.988	6.988	6.988	6.988	2,812	+0.02(+0.31%)
May 21, 2008	6.961	6.988	6.940	6.967	35,993	-0.02(-0.23%)
May 20, 2008	6.945	6.983	6.945	6.983	17,996	+0.02(+0.31%)
May 19, 2008	6.935	6.961	6.908	6.961	23,245	+0.02(+0.23%)
May 16, 2008	6.951	6.951	6.945	6.945	10,216	-0.01(-0.08%)
May 15, 2008	6.924	6.951	6.924	6.951	5,998	+0.01(+0.15%)
May 14, 2008	6.929	6.967	6.924	6.940	16,309	-0.01(-0.08%)
May 13, 2008	6.951	6.961	6.929	6.945	23,808	-0.02(-0.23%)
May 12, 2008	6.977	6.988	6.881	6.961	58,658	-0.02(-0.23%)
May 09, 2008	6.967	6.977	6.967	6.977	4,311	+0.01(+0.08%)
May 08, 2008	6.881	6.977	6.881	6.972	53,480	+0.00(+0.00%)
May 07, 2008	6.972	6.988	6.961	6.972	6,608	-0.01(-0.15%)
May 06, 2008	6.977	7.015	6.972	6.983	46,679	-0.03(-0.46%)
May 05, 2008	7.009	7.041	7.004	7.015	12,935	+0.00(+0.00%)
May 02, 2008	7.015	7.015	7.015	7.015	3,162	+0.00(+0.00%)