BlackRock MuniYield Investment Fund (NY: MYF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Jun 29, 2007	6.839	6.844	6.808	6.839	27,024	+0.06(+0.90%)
Jun 28, 2007	6.808	6.813	6.778	6.778	9,271	-0.03(-0.45%)
Jun 27, 2007	6.758	6.808	6.758	6.808	41,029	+0.04(+0.60%)
Jun 26, 2007	6.793	6.793	6.758	6.768	21,501	-0.04(-0.52%)
Jun 25, 2007	6.824	6.829	6.768	6.803	42,805	-0.01(-0.07%)
Jun 22, 2007	6.803	6.813	6.783	6.808	28,405	-0.00(-0.00%)
Jun 21, 2007	6.778	6.834	6.778	6.808	22,487	+0.01(+0.08%)
Jun 20, 2007	6.834	6.834	6.783	6.803	65,687	-0.00(-0.01%)
Jun 19, 2007	6.783	6.803	6.778	6.803	22,290	+0.04(+0.60%)
Jun 18, 2007	6.758	6.763	6.742	6.763	36,690	+0.05(+0.68%)
Jun 15, 2007	6.692	6.742	6.687	6.717	41,424	+0.03(+0.45%)
Jun 14, 2007	6.778	6.778	6.641	6.687	126,245	-0.09(-1.35%)
Jun 13, 2007	6.742	6.778	6.717	6.778	81,270	+0.03(+0.38%)
Jun 12, 2007	6.753	6.778	6.712	6.753	67,462	-0.03(-0.45%)
Jun 11, 2007	6.854	6.854	6.717	6.783	84,032	-0.06(-0.89%)
Jun 08, 2007	6.920	6.920	6.773	6.844	76,733	-0.08(-1.10%)
Jun 07, 2007	6.930	6.955	6.910	6.920	27,419	-0.05(-0.65%)
Jun 06, 2007	7.021	7.026	6.935	6.965	93,698	-0.06(-0.79%)
Jun 05, 2007	7.042	7.047	7.016	7.021	19,331	-0.01(-0.14%)
Jun 04, 2007	7.021	7.036	6.991	7.031	38,465	+0.01(+0.14%)