Ascent Solar Technologies, Inc. — Director's Dealing 2009

Jul 31, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ascent Solar Technologies, Inc. (ASTI)
CIK: 0001350102
Period of Report: 2009-07-31

Reporting Person: Nath Prem (SVP of Production Operations)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2009-07-31	Restricted Stock Units	$	A	70000	Acquired		Common Stock (70000)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2: The restricted stock units ("RSUs") shall vest according the following schedule: Up to 15,000 of the RSUs shall vest on December 31, 2009; up to another 15,000 of the RSUs shall vest on July 31, 2010; up to another 20,000 of the RSUs shall vest on December 31, 2010; and up to another 20,000 of the RSUs shall vest on July 31, 2011. In each case and for each vesting date, the number of RSUs vested will be determined by the Issuer's Board of Director in its discretion upon evaluation of the the reporting person's performance during the period from the immediately preceding vesting date until the vesting date triggering the evaluation relative to performance criteria to be jointly developed by the reporting person and the Issuer.

F3: The reporting person also holds the following derivative securities: vested options to purchase 66,667 shares of common stock that expire on July 31, 2016; vested options to purchase 6,000 shares of common stock that expire on December 3, 2017; vested options to purchase 25,000 shares of common stock that expire on December 2, 2018; and unvested options to purchase 6,000 shares of common stock that expire on December 3, 2017; and unvested options to purchase 75,000 shares of common stock that expire on December 2, 2018.