SatCon Technology (SATC)

(1)          Includes 150 shares of Common Stock issuable under the Corporation’s 1996 Stock Incentive Plan, 68 shares of Common Stock issuable under the Corporation’s 1998 Stock Incentive Plan, 48,359 shares of Common Stock issuable under the Corporation’s 1999 Stock Incentive Plan, 23,400 shares of Common Stock issuable under the Corporation’s 2000 Stock Incentive Plan, 33,834 shares of Common Stock issuable under the Corporation’s 2002 Stock Incentive Plan and 1,875,000 shares of Common Stock issuable under the Corporations 2005 Stock Incentive Plan.

(2)          Consists of 21,000 shares of Common Stock issuable upon exercise of option grants issued outside of existing stock option plans to non-executive employees. These options were issued on January 19, 2000 at an exercise price of $17.563 per share and expire on January 19, 2010. The right to exercise these options vested in equal annual installments over the four-year period from the date of initial grant. These options must be exercised within 90 days after an employee’s termination or they expire. The other terms of these options are substantially similar to those of non-statutory stock options issued under the Corporation’s shareholder-approved 1999 Stock Incentive Plan.

EQUITY COMPENSATION PLAN INFORMATION

(1)                                  Includes 41,317 shares of the Common Stock issuable under the Corporation’s 1996 Stock Option Plan, 40,068 shares of the Common Stock issuable under the Corporation’s 1998 Stock Incentive Plan, 373,493 shares of the Common Stock issuable under the Corporation’s 1999 Stock Incentive Plan, 720,500 shares of the Common Stock

8