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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2010	6.615	6.629	6.602	6.602	155,598	+0.00(+0.07%)
Apr 29, 2010	6.570	6.611	6.570	6.597	73,990	+0.01(+0.14%)
Apr 28, 2010	6.602	6.615	6.556	6.588	113,794	+0.01(+0.14%)
Apr 27, 2010	6.529	6.602	6.529	6.579	158,035	+0.07(+1.05%)
Apr 26, 2010	6.483	6.524	6.483	6.510	153,687	+0.03(+0.42%)
Apr 23, 2010	6.469	6.520	6.469	6.483	112,886	+0.02(+0.28%)
Apr 22, 2010	6.433	6.478	6.419	6.465	161,086	+0.04(+0.64%)
Apr 21, 2010	6.415	6.424	6.406	6.424	57,307	+0.01(+0.21%)
Apr 20, 2010	6.360	6.410	6.342	6.410	184,367	+0.06(+0.93%)
Apr 19, 2010	6.319	6.351	6.314	6.351	108,420	+0.00(+0.07%)
Apr 16, 2010	6.305	6.359	6.305	6.346	103,182	+0.03(+0.51%)
Apr 15, 2010	6.374	6.378	6.314	6.314	146,774	-0.06(-0.93%)
Apr 14, 2010	6.378	6.415	6.374	6.374	161,474	-0.03(-0.50%)
Apr 13, 2010	6.365	6.406	6.346	6.406	100,712	+0.02(+0.39%)
Apr 12, 2010	6.340	6.381	6.308	6.381	178,808	+0.05(+0.72%)
Apr 09, 2010	6.304	6.335	6.304	6.335	84,126	+0.01(+0.22%)
Apr 08, 2010	6.304	6.322	6.290	6.322	160,503	-0.02(-0.29%)
Apr 07, 2010	6.281	6.340	6.277	6.340	137,140	+0.04(+0.65%)
Apr 06, 2010	6.263	6.299	6.263	6.299	93,385	+0.02(+0.36%)
Apr 05, 2010	6.295	6.308	6.263	6.276	155,954	+0.00(+0.00%)