JOINT FILING AGREEMENTJoint Filing Agreement • February 10th, 2010 • Ramius LLC • Electric services
Contract Type FiledFebruary 10th, 2010 Company IndustryThe undersigned hereby agree that the Statement on this Amendment No. 1 to the Schedule 13G dated February 10, 2010 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.