Ascent Solar Prices Public Offering of Common Stock

Ascent Solar Technologies, Inc. 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 Oct. 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; [email protected] (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.