BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2007	6.621	6.692	6.621	6.682	36,492	+0.08(+1.23%)
Aug 30, 2007	6.545	6.616	6.545	6.600	16,964	+0.04(+0.62%)
Aug 29, 2007	6.540	6.590	6.509	6.560	25,051	+0.03(+0.39%)
Aug 28, 2007	6.550	6.550	6.514	6.535	26,629	-0.02(-0.31%)
Aug 27, 2007	6.575	6.621	6.555	6.555	30,772	-0.04(-0.54%)
Aug 24, 2007	6.590	6.616	6.590	6.590	1,972	-0.03(-0.38%)
Aug 23, 2007	6.631	6.631	6.595	6.616	13,808	-0.01(-0.15%)
Aug 22, 2007	6.606	6.631	6.580	6.626	31,955	+0.01(+0.15%)
Aug 21, 2007	6.560	6.616	6.545	6.616	21,895	+0.03(+0.46%)
Aug 20, 2007	6.540	6.585	6.540	6.585	13,413	+0.05(+0.70%)
Aug 17, 2007	6.494	6.585	6.494	6.540	34,914	+0.07(+1.02%)
Aug 16, 2007	6.611	6.611	6.367	6.474	153,072	-0.14(-2.15%)
Aug 15, 2007	6.692	6.692	6.590	6.616	142,421	-0.08(-1.14%)
Aug 14, 2007	6.666	6.692	6.656	6.692	35,309	+0.00(+0.00%)
Aug 13, 2007	6.687	6.692	6.656	6.692	34,323	-0.01(-0.08%)
Aug 10, 2007	6.687	6.697	6.687	6.697	9,271	+0.01(+0.15%)
Aug 09, 2007	6.687	6.697	6.687	6.687	56,613	+0.00(+0.00%)
Aug 08, 2007	6.692	6.702	6.687	6.687	75,944	-0.01(-0.08%)
Aug 07, 2007	6.702	6.702	6.687	6.692	74,958	+0.00(+0.00%)
Aug 06, 2007	6.707	6.707	6.687	6.692	44,975	-0.01(-0.15%)
Aug 03, 2007	6.717	6.722	6.702	6.702	15,977	-0.02(-0.30%)
Aug 02, 2007	6.722	6.742	6.707	6.722	45,566	+0.00(+0.00%)