X0202 4 2006-11-29 0001103345 BEACON POWER CORP BCON 0001250234 SMITH JACK P C/O BEACON POWER CORPORATION 234 BALLARDVALE STREET WILMINGTON MA 01887 1 0 0 0 Stock Option (Right to Buy) 1.14 2006-11-29 4 A 0 41747 0 A 2016-11-28 Common Stock 41747 41747 D Option vests in 36 approximately equal installments on the thirtieth day of every month (except for February, the vesting date for which month shall be the twenty-eighth) beginning December 30, 2006. The option becomes fully exercisable on November 30, 2009. Albert L. Sokol as attorney-in-fact for Jack P. Smith 2006-12-01