OFStock Purchase Agreement • December 29th, 2008 • Midamerican Energy Holdings Co /New/ • Electric, gas & sanitary services • New York
Contract Type FiledDecember 29th, 2008 Company Industry Jurisdiction
Exhibit 99.1 ------------ Joint Filing AgreementMidamerican Energy Holdings Co /New/ • December 29th, 2008 • Electric, gas & sanitary services
Company FiledDecember 29th, 2008 IndustryThe undersigned hereby agree that the statement on Schedule 13D with respect to the Common Stock of Constellation Energy Group, Inc., is, and any amendment thereto signed by each of the undersigned shall be, filed on behalf of each undersigned pursuant to and in accordance with the provisions of 13d-1(k) under the Securities Exchange Act of 1934, as amended.