Ascent Solar Technologies, Inc. — Director's Dealing 2007

Dec 21, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ascent Solar Technologies, Inc. (ASTI)
CIK: 0001350102
Period of Report: 2007-12-19

Reporting Person: Armstrong Joseph H (Vice President and CTO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-12-19	Common Stock	M	1000	$4.25	Acquired	42333	Direct
2007-12-19	Common Stock	S	1000	$18.25	Disposed	41333	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-12-19	Common Stock Option (Right to Buy)	$4.25	M	1000	Disposed	2016-02-27	Common Stock (1000)	Direct

Footnotes

F1: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 26, 2007.

F2: Of the remaining unvested options in this grant, options to purchase 3,572 vest on March 31, 2008 and September 30, 2008, and options to purchase 3,568 vest on March 31, 2009.

F3: Following this transaction, Mr. Armstrong also holds the following securities: vested options to purchase 9,288 shares of common stock that expire February 27, 2016; vested options (or options that will vest within 60 days) to purchase 8,500 shares of common stock that expire November 11, 2015; unvested options to purchase 10,712 shares of common stock that expire February 27, 2016; unvested options to purchase 8,500 shares of common stock that expire on November 18, 2015; and unvested options to purchase 5,000 shares of common stock that expire on December 3, 2017.