Baltimore Gas & Electric Company 6.97 referred Stock (OP: )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 29, 2011	125.00	125.00	108.00	119.00	752	+14.00(+13.33%)
Apr 28, 2011	109.90	109.90	103.00	105.00	1,000	+5.00(+5.00%)
Mar 18, 2011		100.00	100.00	100.00	0	-10.00(-9.09%)
Feb 11, 2011	110.00	110.00	110.00	110.00	0	-10.00(-8.33%)