BlackRock MuniYield Quality Fund, Inc. (NY: MQY )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2010	6.615	6.628	6.601	6.601	155,613	+0.00(+0.07%)
Apr 29, 2010	6.569	6.610	6.569	6.596	73,997	+0.01(+0.14%)
Apr 28, 2010	6.601	6.615	6.555	6.587	113,804	+0.01(+0.14%)
Apr 27, 2010	6.528	6.601	6.528	6.578	158,050	+0.07(+1.05%)
Apr 26, 2010	6.482	6.523	6.482	6.510	153,702	+0.03(+0.42%)
Apr 23, 2010	6.469	6.519	6.469	6.482	112,896	+0.02(+0.28%)
Apr 22, 2010	6.432	6.478	6.419	6.464	161,101	+0.04(+0.64%)
Apr 21, 2010	6.414	6.423	6.405	6.423	57,312	+0.01(+0.21%)
Apr 20, 2010	6.359	6.410	6.341	6.410	184,384	+0.06(+0.93%)
Apr 19, 2010	6.318	6.350	6.314	6.350	108,430	+0.00(+0.07%)
Apr 16, 2010	6.305	6.358	6.305	6.346	103,192	+0.03(+0.51%)
Apr 15, 2010	6.373	6.378	6.314	6.314	146,788	-0.06(-0.93%)
Apr 14, 2010	6.378	6.414	6.373	6.373	161,489	-0.03(-0.50%)
Apr 13, 2010	6.364	6.405	6.346	6.405	100,722	+0.02(+0.39%)
Apr 12, 2010	6.339	6.380	6.308	6.380	178,825	+0.05(+0.72%)
Apr 09, 2010	6.303	6.335	6.303	6.335	84,134	+0.01(+0.22%)
Apr 08, 2010	6.303	6.321	6.289	6.321	160,519	-0.02(-0.29%)
Apr 07, 2010	6.280	6.339	6.276	6.339	137,153	+0.04(+0.65%)
Apr 06, 2010	6.262	6.298	6.262	6.298	93,394	+0.02(+0.36%)
Apr 05, 2010	6.294	6.308	6.262	6.276	155,969	+0.00(+0.00%)