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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
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%)