Ascent Solar Announces Closing of Public Offering of Common Stock

Ascent Solar Technologies, Inc. (NASDAQ:ASTI), a developer of state-of-the-art, flexible thin-film photovoltaic modules, announced today that it has closed its previously announced underwritten public offering of 9,166,700 shares of its common stock at a price of $1.20 per share. Ascent received net proceeds, after deducting the underwriting discount and estimated offering expenses, of approximately $10.1 million. Ascent has also granted the underwriters a 45-day option to purchase up to an additional 1,375,005 shares of common stock to cover over-allotments, if any.

Ascent intends to use the net proceeds from this offering for working capital and for general corporate purposes.

Aegis Capital Corp. acted as the sole book-running manager for this offering.

A shelf registration statement on Form S-3 and accompanying base prospectus relating to the shares was filed with the Securities and Exchange Commission and is effective. Copies of the final prospectus supplement relating to the offering may be obtained from the offices of Aegis Capital Corp., Prospectus Department, 810 Seventh Avenue, 18th Floor, New York, NY, 10019, telephone: 212-813-1010 or email: prospectus@aegiscap.com, or from the SEC’s website at http://www.sec.gov.

About Ascent Solar Technologies, Inc.

Ascent Solar Technologies, Inc. is a developer of thin-film photovoltaic modules using flexible substrate materials that can transform the way solar power generation integrates into everyday life. Ascent Solar modules, which were named one of TIME Magazine's 50 best inventions for 2011, can be directly incorporated into standard building materials, commercial transportation, automotive solutions, space applications, consumer electronics for portable power and durable off-grid solutions. More 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 "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. Ascent Solar does 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.