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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	9.570	9.582	9.527	9.545	32,354	-0.01(-0.06%)
Apr 27, 2012	9.478	9.558	9.478	9.552	21,917	+0.04(+0.45%)
Apr 26, 2012	9.508	9.552	9.508	9.508	32,522	-0.01(-0.13%)
Apr 25, 2012	9.527	9.558	9.521	9.521	33,634	-0.01(-0.13%)
Apr 24, 2012	9.539	9.558	9.527	9.533	22,329	-0.02(-0.26%)
Apr 23, 2012	9.496	9.589	9.496	9.558	54,412	+0.04(+0.45%)
Apr 20, 2012	9.545	9.570	9.496	9.515	32,714	-0.03(-0.32%)
Apr 19, 2012	9.533	9.552	9.533	9.545	21,132	+0.05(+0.52%)
Apr 18, 2012	9.496	9.516	9.465	9.496	12,012	+0.02(+0.20%)
Apr 17, 2012	9.465	9.490	9.459	9.478	14,976	+0.01(+0.13%)
Apr 16, 2012	9.453	9.484	9.442	9.465	24,875	+0.02(+0.20%)
Apr 13, 2012	9.434	9.459	9.410	9.447	23,163	+0.02(+0.26%)
Apr 12, 2012	9.447	9.447	9.373	9.422	23,309	-0.02(-0.17%)
Apr 11, 2012	9.444	9.475	9.418	9.438	20,039	+0.01(+0.13%)
Apr 10, 2012	9.438	9.468	9.419	9.425	28,296	+0.01(+0.06%)
Apr 09, 2012	9.407	9.456	9.407	9.419	56,585	+0.02(+0.26%)
Apr 05, 2012	9.407	9.413	9.352	9.395	35,933	+0.02(+0.26%)
Apr 04, 2012	9.333	9.376	9.333	9.370	32,637	+0.03(+0.33%)
Apr 03, 2012	9.321	9.340	9.297	9.340	32,540	+0.03(+0.33%)