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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	6.388	6.410	6.359	6.403	83,096	+0.01(+0.15%)
Apr 28, 2011	6.388	6.417	6.364	6.393	113,536	+0.02(+0.38%)
Apr 27, 2011	6.320	6.369	6.310	6.369	89,266	+0.07(+1.08%)
Apr 26, 2011	6.310	6.349	6.295	6.300	158,438	-0.03(-0.46%)
Apr 25, 2011	6.305	6.349	6.305	6.330	60,407	+0.02(+0.39%)
Apr 21, 2011	6.325	6.344	6.305	6.305	69,487	-0.01(-0.15%)
Apr 20, 2011	6.295	6.330	6.281	6.315	87,089	+0.03(+0.54%)
Apr 19, 2011	6.261	6.300	6.261	6.281	87,038	+0.01(+0.16%)
Apr 18, 2011	6.208	6.271	6.174	6.271	104,226	+0.06(+1.02%)
Apr 15, 2011	6.164	6.208	6.164	6.208	230,838	+0.03(+0.47%)
Apr 14, 2011	6.193	6.222	6.174	6.179	202,789	-0.05(-0.78%)
Apr 13, 2011	6.330	6.359	6.213	6.227	131,764	-0.10(-1.64%)
Apr 12, 2011	6.355	6.355	6.283	6.331	104,331	-0.02(-0.30%)
Apr 11, 2011	6.428	6.433	6.326	6.350	83,884	-0.08(-1.20%)
Apr 08, 2011	6.500	6.500	6.394	6.428	130,865	-0.04(-0.67%)
Apr 07, 2011	6.442	6.471	6.442	6.471	32,517	+0.04(+0.60%)
Apr 06, 2011	6.418	6.467	6.418	6.433	80,235	-0.00(-0.08%)
Apr 05, 2011	6.394	6.447	6.374	6.438	104,234	+0.06(+0.99%)
Apr 04, 2011	6.404	6.433	6.370	6.375	110,254	-0.05(-0.75%)