Constellation Energy and EDF Group Complete Nuclear Joint Venture

BALTIMORE & PARIS, Nov 06, 2009 -- Constellation Energy (NYSE:CEG) and EDF Development Inc. (a wholly-owned subsidiary of EDF S.A.) today announced that EDF has completed its investment in Constellation Energy Nuclear Group, LLC, which is structured as a new joint venture. With the close of the transaction, the companies look forward to working together to deliver the expected economic, environmental and clean energy benefits created by the joint venture.

About Constellation Energy

Constellation Energy (www.constellation.com) is a leading supplier of energy products and services to wholesale and retail electric and natural gas customers. It owns a diversified fleet of generating units located in the United States and Canada, totaling approximately 7,100 megawatts of generating capacity, and is among the leaders pursuing the development of new nuclear plants in the United States. The company delivers electricity and natural gas through the Baltimore Gas and Electric Company (BGE), its regulated utility in Central Maryland. A FORTUNE 500 company headquartered in Baltimore, Constellation Energy had revenues of $19.8 billion in 2008.

About EDF Group

The EDF Group, one of the leaders in the energy market in Europe, is an integrated energy company active in all businesses: generation, transmission, distribution, energy supply and trading. The Group is the leading electricity producer in Europe. In France, it has mainly nuclear and hydraulic production facilities where 95% of the electricity output involves no CO2 emissions. EDF's transport and distribution subsidiaries in France operate 1,274,000 km of low and medium voltage overhead and underground electricity lines and around 100,000 km of high and very high voltage networks. The Group is involved in supplying energy and services to more than 38 million customers around the world, including more than 28 million in France. The Group generated consolidated sales of EUR 64.3 billion in 2008, of which 47% were in Europe excluding France. EDF is listed on the Paris Stock Exchange and is a member of the CAC 40 index.