JOINT FILING AGREEMENTJoint Filing Agreement • February 16th, 2010 • Ge Capital Equity Investments Inc • Personal credit institutions
This will confirm the agreement by and among all the undersigned that the Schedule 13G filed on or about this date and any amendments thereto with respect to the beneficial ownership by the undersigned of shares of common stock, $0.001 par value per share, of A123 Systems, Inc. is being filed on behalf of each of the undersigned in accordance with Rule 13d-1(k)(1). This agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.
