CEG Constellation Energy Grp. Common Stock

Constellation Energy (NYSE:CEG) today announced that it will be participating at the 2008 Credit Suisse Energy Summit. Who: � John R. Collins, Chief Financial Officer and Executive Vice President � What: 2008 Credit Suisse Energy Summit � When: 8:15 a.m. (MT), Tuesday, Feb. 5, 2008 � A live audio webcast of the presentation, along with supporting materials, will also be available on the Investor Relations page of Constellation Energy's Web site at www.constellation.com. The webcast will be archived and available for 6 months following the conference. Constellation Energy (http://www.constellation.com), a FORTUNE 125 company with 2007 revenues of $21 billion, is the nation's largest competitive supplier of electricity to large commercial and industrial customers and the nation's largest wholesale power seller. Constellation Energy also manages fuels and energy services on behalf of energy intensive industries and utilities. It owns a diversified fleet of 78 generating units located throughout the United States, totaling approximately 8,700 megawatts of generating capacity. The company delivers electricity and natural gas through the Baltimore Gas and Electric Company (BGE), its regulated utility in Central Maryland.