BlackRock Municipal Income Investment Trust (NY: BBF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2007	16.30	16.30	16.01	16.23	21,900	-0.03(-0.19%)
May 30, 2007	16.59	16.63	16.25	16.26	39,300	-0.33(-1.99%)
May 29, 2007	16.75	16.75	16.56	16.59	17,000	-0.13(-0.78%)
May 25, 2007	16.69	16.72	16.69	16.72	5,800	+0.07(+0.42%)
May 24, 2007	16.78	16.79	16.65	16.65	22,200	-0.13(-0.77%)
May 23, 2007	16.78	16.86	16.78	16.78	17,600	+0.00(+0.00%)
May 22, 2007	16.76	16.78	16.75	16.78	6,600	+0.01(+0.06%)
May 21, 2007	16.76	16.77	16.75	16.77	2,200	+0.00(+0.00%)
May 18, 2007	16.81	16.81	16.76	16.77	3,600	-0.09(-0.53%)
May 17, 2007	16.85	16.88	16.77	16.86	12,200	+0.01(+0.06%)
May 16, 2007	16.85	16.85	16.70	16.85	15,300	+0.00(+0.00%)
May 15, 2007	16.84	16.85	16.83	16.85	1,500	+0.09(+0.54%)
May 14, 2007	16.75	16.76	16.63	16.76	5,100	+0.01(+0.06%)
May 11, 2007	16.82	16.82	16.75	16.75	3,300	-0.07(-0.42%)
May 10, 2007	16.76	16.82	16.73	16.82	3,700	+0.06(+0.36%)
May 09, 2007	16.76	16.76	16.71	16.76	4,700	-0.04(-0.24%)
May 08, 2007	16.88	16.91	16.80	16.80	3,400	+0.00(+0.00%)
May 07, 2007	16.75	16.80	16.75	16.80	12,200	+0.06(+0.36%)
May 04, 2007	16.70	16.74	16.70	16.74	1,400	+0.01(+0.06%)
May 03, 2007	16.70	16.73	16.69	16.73	5,000	-0.01(-0.06%)
May 02, 2007	16.67	16.79	16.67	16.74	8,900	+0.14(+0.84%)