Constellation Energy 8-K Departure of Directors or Certain Officers

Exhibit 10.3

100 Constellation Way

Baltimore, MD 21202-3106

December 9, 2009

Charles A. Berardesco, Esq.

General Counsel, Chief Compliance Officer,

Corporate Secretary and Senior Vice President

Constellation Energy Group, Inc.

100 Constellation Way

Baltimore, Maryland  21202

Re:          Waiver of Change in Control Severance Agreement

Dear Charlie,

I hereby irrevocably and unconditionally consent to the termination of my Change in Control Severance Agreement with Constellation Energy Group, Inc. (the “Company”), dated April 1, 2008.  From and after the date hereof, such agreement is null and void and neither I nor the Company has any further rights or obligations thereunder.

Sincerely,

/s/ Henry B. Barron, Jr.

Henry B. Barron, Jr.

ACKNOWLEDGED:  CONSTELLATION ENERGY GROUP, INC.

By:	/s/ Charles A. Berardesco	Date: December 9, 2009
Name: Charles A. Berardesco
Title: Senior Vice President and General Counsel