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%)
Feb 04, 2011		120.00	120.00	120.00	0	+19.00(+18.81%)
Dec 13, 2010	101.00	101.00	101.00	101.00	0	+0.00(+0.00%)
Dec 07, 2010		101.00	101.00	101.00	0	+4.00(+4.12%)
Oct 25, 2010		97.00	97.00	97.00	0	-18.00(-15.65%)
Oct 18, 2010		115.00	115.00	115.00	0	+14.45(+14.37%)
Oct 15, 2010	100.55	100.55	100.55	100.55	19,028	+0.05(+0.05%)
Oct 14, 2010	100.50	100.50	100.50	100.50	19,028	+0.50(+0.50%)
Oct 13, 2010	100.00	100.00	100.00	100.00	200	+9.75(+10.80%)
Sep 27, 2010		90.25	90.25	90.25	0	-9.75(-9.75%)
Jun 22, 2010		100.00	100.00	100.00	0	+0.00(+0.00%)
Jun 21, 2010	97.50	100.00	97.50	100.00	9,100	+1.00(+1.01%)
May 24, 2010		99.00	99.00	99.00	0	+0.50(+0.51%)
May 21, 2010	98.50	98.50	98.50	98.50	450	+0.50(+0.51%)