BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 30, 2008	6.332	6.337	6.311	6.337	89,729	-0.02(-0.24%)
May 29, 2008	6.347	6.352	6.332	6.352	26,994	+0.01(+0.18%)
May 28, 2008	6.337	6.347	6.322	6.341	6,882	+0.01(+0.22%)
May 27, 2008	6.332	6.377	6.317	6.327	38,197	+0.02(+0.24%)
May 26, 2008	6.317	6.332	6.301	6.311	0	+0.00(+0.00%)
May 23, 2008	6.317	6.332	6.301	6.311	36,565	-0.01(-0.08%)
May 22, 2008	6.327	6.332	6.296	6.317	25,446	-0.02(-0.24%)
May 21, 2008	6.367	6.377	6.332	6.332	43,791	-0.04(-0.56%)
May 20, 2008	6.382	6.408	6.367	6.367	35,161	+0.00(+0.00%)
May 19, 2008	6.398	6.413	6.357	6.367	32,942	-0.02(-0.24%)
May 16, 2008	6.362	6.403	6.347	6.382	29,786	+0.00(+0.00%)
May 15, 2008	6.393	6.408	6.367	6.382	21,812	-0.01(-0.08%)
May 14, 2008	6.413	6.413	6.311	6.388	49,768	-0.01(-0.16%)
May 13, 2008	6.398	6.433	6.377	6.398	33,169	-0.03(-0.47%)
May 12, 2008	6.408	6.438	6.388	6.428	41,621	+0.02(+0.32%)
May 09, 2008	6.413	6.430	6.398	6.408	18,147	-0.01(-0.08%)
May 08, 2008	6.408	6.438	6.377	6.413	74,806	-0.01(-0.08%)
May 07, 2008	6.448	6.464	6.418	6.418	21,086	-0.02(-0.24%)
May 06, 2008	6.474	6.489	6.433	6.433	28,823	-0.04(-0.63%)
May 05, 2008	6.433	6.474	6.433	6.474	16,798	+0.05(+0.71%)
May 02, 2008	6.464	6.474	6.423	6.428	13,969	-0.04(-0.60%)