| Date | Time | Source | Headline | Symbol | Company |
| 12/20/2011 | 9:18AM | Dow Jones News | US Stock Futures: HOT STOCKS TO WATCH | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/20/2011 | 9:16AM | Dow Jones News | US Stock Futures: HOT STOCKS TO WATCH | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/20/2011 | 9:15AM | GlobeNewswire Inc. | PostRock Buys Additional CEP Interests | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/20/2011 | 6:44AM | Dow Jones News | US Stock Futures: HOT STOCKS TO WATCH | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/16/2011 | 5:09PM | Edgar (US Regulatory) | Filing of certain prospectuses and communications in connection with business combination transactions (425) | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/16/2011 | 5:01PM | Dow Jones News | CORRECT: Power Companies Await EPA Emissions Rule | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/16/2011 | 4:02PM | Dow Jones News | Power Companies Await EPA Emissions Rule | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/15/2011 | 5:53PM | Dow Jones News | CORRECT: EDF Considers Dropping New Nuclear In Maryland -Source | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/15/2011 | 5:52PM | Dow Jones News | 2nd UPDATE: Exelon, Constellation Agree On Merger With Maryland Officials | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/15/2011 | 3:20PM | Edgar (US Regulatory) | Filing of certain prospectuses and communications in connection with business combination transactions (425) | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/15/2011 | 2:55PM | Dow Jones News | UPDATE: Exelon, Constellation Agree On Merger With Maryland Officials | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/15/2011 | 2:27PM | Business Wire | New York State Public Service Commission Rules No Further Review Needed of Exelon and Constellation Energy Merger | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/15/2011 | 1:42PM | Dow Jones News | EDF Considers Dropping New Nuclear In U.S.- Source | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/15/2011 | 12:57PM | Edgar (US Regulatory) | Filing of certain prospectuses and communications in connection with business combination transactions (425) | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/15/2011 | 11:15AM | Dow Jones News | Exelon, Constellation Reach Merger Settlement With Maryland | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/15/2011 | 10:00AM | Business Wire | Exelon and Constellation Reach Merger Settlement with the State of Maryland, City of Baltimore, Other Key Parties | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/15/2011 | 7:18AM | Marketwired | Luminus Facility Goes Green, 100% of Annual Electricity Use Will Be From Renewable Energy Certificates | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/14/2011 | 5:26PM | Edgar (US Regulatory) | Filing of certain prospectuses and communications in connection with business combination transactions (425) | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/14/2011 | 9:08AM | Dow Jones News | Exelon Names Glace As Head Of Risk Following Constellation Tieup | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/14/2011 | 8:00AM | Business Wire | Exelon Names Risk Leadership Team for Combined Exelon-Constellation | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/14/2011 | 8:00AM | Business Wire | Exelon, Constellation Announce Leadership Team for Combined Commercial Business | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/13/2011 | 10:30AM | Business Wire | Maryland Utilities Issue Notice of Amended Request for Proposals for Generation Capacity Resources under Long-Term Contract | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/12/2011 | 9:00AM | Business Wire | Montana-Dakota Utilities Co. Selects Constellation Energy to Supply Customer Load Response Program in Montana, North Dakota &... | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/06/2011 | 1:11PM | Edgar (US Regulatory) | Filing of certain prospectuses and communications in connection with business combination transactions (425) | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/05/2011 | 5:38PM | Business Wire | Exelon and Constellation Strengthen Merger Commitments | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/05/2011 | 6:03AM | Edgar (US Regulatory) | Filing of certain prospectuses and communications in connection with business combination transactions (425) | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/02/2011 | 9:45AM | Zacks | Constellation to Buy from ONEOK - Analyst Blog | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/01/2011 | 4:14PM | Business Wire | Constellation Energy Purchases Oklahoma Retail Gas Provider, Adds 26,100 Customers with Third Retail Acquisition This Year | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 12/01/2011 | 4:00PM | PR Newswire (US) | ONEOK to Sell Retail Natural Gas Marketing Subsidiary to Constellation | NYSE:CEG | Constellation Energy Grp. Common Stock |
| 11/29/2011 | 9:47AM | Edgar (US Regulatory) | Filing of certain prospectuses and communications in connection with business combination transactions (425) | NYSE:CEG | Constellation Energy Grp. Common Stock |