Ascent Solar Announces Upcoming Expiration Date For Class B Warrants

Ascent Solar Technologies, Inc. (NASDAQ:ASTI) today announced that the unexercised, outstanding Class B warrants issued in connection with the Company’s IPO in 2006 having an exercise price of $11.00 per common share are expected to expire July 10, 2011. The Class B warrants are covered by a current registration statement (registration number 333-131216) and the Class B warrants are currently exercisable. Accordingly, the Class B warrants will expire as scheduled on July 10, 2011, if not previously exercised.

About Ascent Solar Technologies

Ascent Solar Technologies, Inc. is a developer of thin-film photovoltaic modules with substrate materials that can be more flexible and affordable than most traditional solar panels. Ascent Solar modules can be directly integrated into standard building materials, commercial transportation, automotive solutions, space applications, consumer electronics for portable power or configured as stand-alone modules for large scale terrestrial deployment. Ascent Solar is headquartered in Thornton, Colo. Additional information can be found at www.ascentsolar.com.

Forward-Looking Statements

Statements in this press release that are not statements of historical or current fact constitute "forward-looking statements." Such forward-looking statements involve known and unknown risks, uncertainties and other unknown factors that could cause the Company's actual operating results to be materially different from any historical results or from any future results expressed or implied by such forward-looking statements. In addition to statements that explicitly describe these risks and uncertainties, readers are urged to consider statements that contain terms such as "may," "will," "should," "believes," "expect," "intend," "anticipate," "plan," "estimate" to be uncertain and forward-looking. The forward-looking statements contained herein are also subject to risks and uncertainties that are described in our most recent annual report on Form 10-K under the heading "Risk Factors" and our subsequent filings with the Securities and Exchange Commission. We do not undertake any obligation to update publicly any forward-looking statements whether as a result of the receipt of new information, future events, or otherwise.