Filed Pursuant to Rule 433
Issuer Free Writing Prospectus dated March 24, 2008
Relating to Preliminary Prospectus dated March 14, 2008
Registration No. 333-149740


Ascent Solar in Discussions with Prospective Underwriters


LITTLETON, Colo. – On March 14, 2008, Ascent Solar Technologies, Inc. (NASDAQ:ASTI) filed a registration statement for a public offering of common stock with Bear, Stearns & Co. Inc. (Bear Stearns) named as the lead underwriter. Ascent Solar continues to evaluate recent developments involving Bear Stearns and has begun discussions with other investment banks, including the currently named co-managers, in connection with potentially naming lead underwriters in addition to or as substitutes for Bear Stearns.


About Ascent Solar Technologies, Inc.


Ascent Solar Technologies, Inc. (the “Company”) is a developer of thin-film photovoltaic modules and is located in Littleton, Colorado.


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 expresses 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 Securities and Exchange Commission (the “Commission”).


The issuer has filed a registration statement (including a prospectus) with the Commission for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the Commission for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the Commission’s website at, and the registration statement (File No. 333-149740) and prospectus can be viewed online at Alternatively, when available, copies of the preliminary prospectus relating to the offering may be obtained from Bear, Stearns & Co. Inc., Prospectus Department, 383 Madison Avenue, New York, New York 10179, toll free at (866) 803-9204.




PR Financial Marketing LLC
Jim Blackman, 713-256-0369 (Investor Relations)





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