BlackRock Municipal Income Investment Quality Trust Fund (NY: BAF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 24, 2011	7.859	7.859	7.835	7.835	4,307	-0.01(-0.07%)
May 23, 2011	7.847	7.859	7.818	7.841	24,765	-0.01(-0.07%)
May 20, 2011	7.812	7.847	7.812	7.847	17,931	+0.04(+0.48%)
May 19, 2011	7.795	7.830	7.795	7.810	23,211	+0.02(+0.19%)
May 18, 2011	7.812	7.853	7.795	7.795	35,149	-0.01(-0.15%)
May 17, 2011	7.812	7.818	7.777	7.806	24,218	+0.02(+0.30%)
May 16, 2011	7.800	7.806	7.771	7.783	15,106	-0.01(-0.07%)
May 13, 2011	7.789	7.824	7.771	7.789	40,427	+0.04(+0.53%)
May 12, 2011	7.660	7.748	7.660	7.748	20,653	+0.03(+0.34%)
May 11, 2011	7.751	7.768	7.722	7.722	19,134	-0.01(-0.15%)
May 10, 2011	7.676	7.734	7.670	7.734	21,278	+0.06(+0.76%)
May 09, 2011	7.658	7.699	7.658	7.676	28,552	-0.01(-0.15%)
May 06, 2011	7.652	7.687	7.652	7.687	15,038	+0.02(+0.23%)
May 05, 2011	7.623	7.670	7.623	7.670	21,572	+0.04(+0.58%)
May 04, 2011	7.589	7.635	7.583	7.626	11,277	+0.03(+0.34%)
May 03, 2011	7.600	7.623	7.565	7.600	30,245	+0.01(+0.15%)