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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2009	5.439	5.510	5.416	5.510	132,324	+0.06(+1.15%)
Apr 29, 2009	5.528	5.537	5.381	5.448	194,648	-0.07(-1.29%)
Apr 28, 2009	5.537	5.550	5.505	5.519	63,430	-0.01(-0.16%)
Apr 27, 2009	5.519	5.595	5.479	5.528	156,130	-0.06(-1.04%)
Apr 24, 2009	5.559	5.689	5.555	5.586	142,212	+0.01(+0.24%)
Apr 23, 2009	5.497	5.613	5.464	5.573	92,673	+0.12(+2.13%)
Apr 22, 2009	5.443	5.532	5.410	5.457	117,653	+0.03(+0.58%)
Apr 21, 2009	5.300	5.443	5.300	5.425	83,543	+0.07(+1.33%)
Apr 20, 2009	5.323	5.358	5.296	5.354	124,233	+0.02(+0.33%)
Apr 17, 2009	5.291	5.336	5.287	5.336	66,625	+0.06(+1.10%)
Apr 16, 2009	5.242	5.287	5.220	5.278	125,903	+0.05(+0.94%)
Apr 15, 2009	5.198	5.229	5.157	5.229	133,856	+0.04(+0.86%)
Apr 14, 2009	5.139	5.203	5.135	5.184	58,711	-0.01(-0.26%)
Apr 13, 2009	5.224	5.229	5.171	5.198	67,797	-0.08(-1.61%)
Apr 09, 2009	5.265	5.300	5.265	5.282	66,616	+0.04(+0.68%)
Apr 08, 2009	5.269	5.269	5.224	5.247	134,165	+0.00(+0.00%)
Apr 07, 2009	5.291	5.291	5.238	5.247	74,242	-0.04(-0.84%)
Apr 06, 2009	5.309	5.309	5.224	5.291	50,732	+0.01(+0.11%)
Apr 03, 2009	5.287	5.318	5.229	5.286	103,484	-0.02(-0.36%)
Apr 02, 2009	5.220	5.318	5.180	5.305	156,209	+0.13(+2.59%)