On October 30, 2009, the Master Put Option and Membership Interest Purchase Agreement, dated as of December 17, 2008, as amended September 16, 2009 and September 21, 2009 (as amended, the "Master Agreement"), by and among Constellation Energy Group, Inc. (the "Seller's Parent"), Constellation Nuclear, LLC, EDF Development Inc. (the "Purchaser"), E.D.F. International S.A. and Constellation Energy Nuclear Group, LLC was amended to change the termination date of the Master Agreement from October 30, 2009 to November 16, 2009. All other terms of the Master Agreement remain in full force and effect including the provision enabling either the Seller's Parent or Purchaser to extend the termination date to December 17, 2009 (the date that is twelve months from the date of the Master Agreement) in the event that all conditions to closing have been satisfied as of November 16, 2009 other than the receipt of required regulatory approvals or the existence of a law or court order prohibiting the closing.

Amendment No. 3 to the Master Agreement is attached as Exhibit 2.1 and is incorporated herein by reference.

Forward-Looking Statements. We make statements in this report that may be considered forward-looking statements within the meaning of the Securities Exchange Act of 1934. These statements are not guarantees of our future performance and are subject to risks, uncertainties and other important factors that could cause our actual performance or achievements to be materially different from those we project. For a full discussion of these risks, uncertainties and factors, we encourage you to read our documents on file with the Securities and Exchange Commission, including those set forth in our periodic reports under the forward-looking statements and risk factors sections. Except as required by law, we do not intend to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

(d) Exhibits

Exhibit No.                                Description

2.1           Amendment No. 3 to the Master Put Option and Membership Interest
              Purchase Agreement