X0303 4 2009-12-31 0 0001350102 Ascent Solar Technologies, Inc. ASTI 0001191905 KUMAR AMIT C/O COMBIMATRIX CORPORATION 6500 HARBOUR HEIGHTS PARKWAY, SUITE 303 MUKILTEO WA 98275 1 0 0 0 Common Stock 2009-12-31 4 M 0 3523 A 18075 D Restricted Stock Units 2009-12-31 4 M 0 3523 0 D Common Stock 3523 0 D Restricted Stock Units 2010-01-01 4 A 0 11508 A Common Stock 11508 11508 D Represents restricted stock units that fully vested on December 31, 2009. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. In addition to the restricted stock units, Dr. Kumar holds vested options to purchase 8,000 shares of common stock that expire on June 30, 2017. These newly granted restricted stock units vest quarterly in 2010. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. David C. Wang, as attorney-in-fact for Amit Kumar 2010-01-04