JOINT FILING AGREEMENTJoint Filing Agreement • December 15th, 2009 • Ramius LLC • Electric services
The undersigned hereby agree that the Statement on Schedule 13G dated December 14, 2009 with respect to the shares of Common Stock, par value $0.01 per share, of Beacon Power Corporation and any further amendments thereto executed by each and any of the undersigned shall be filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended.
