Ascent Solar Technologies, Inc. (NASDAQ: ASTI) today announced that it has priced its previously announced public offering. Ascent Solar is offering 4.6 million shares of its common stock at $6.50 per share to the public. Ascent Solar has granted the underwriters a 30-day option to purchase up to 692,000 additional shares of common stock from Ascent Solar. The offering is expected to settle and close on October 6, 2009, subject to customary closing conditions. Net proceeds from the offering are expected to be used for expansion of Ascent Solar's rated production capacity and for general corporate purposes. This offering was made pursuant to an effective shelf registration statement on file with the Securities and Exchange Commission.

Barclays Capital Inc. is the sole book-running manager of the offering. The offering will be made only by means of final prospectus supplement and accompanying base prospectus, copies of which may be obtained from: Barclays Capital Inc., c/o Broadridge Integrated Distribution Services, 1155 Long Island Avenue, Edgewood, NY 11717; barclaysprospectus@broadridge.com (phone: 888-603-5847). A copy of the final prospectus supplement and accompanying base prospectus may also be obtained at no charge at the Security and Exchange Commission's website at www.sec.gov.

This press release shall not constitute an offer to sell or a solicitation of an offer to buy, and there shall not be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About Ascent Solar Technologies, Inc.

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 military and space applications, building integrated applications, and consumer electronics for portable power or configured as stand alone modules for large scale terrestrial deployment. Ascent Solar is located in Littleton, Colorado. For more information about Ascent Solar, please visit 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 "believes," "belief," "expects," "expect," "intends," "intend," "anticipate," "anticipates," "plans," "plan," to be uncertain and forward-looking. The forward-looking statements contained herein are also subject generally to other risks and uncertainties that are described from time to time in the Company's filings with the Securities and Exchange Commission.