Nano-Proprietary, Inc. To Present At Roth Capital Partners New York Conference

August 30, 2005 – AUSTIN, TX – Nano-Proprietary, Inc. (OTC BB: NNPP) today announced that it will be presenting on Thursday September 8, 2005 at 1:00 pm Eastern time at the Roth Capital Partners New York conference.

The presentation by Marc Eller, Chairman and CEO of Nano-Proprietary, Inc., will include a discussion of the company's strategy, as well as an overview of its history and technology. The presentation will be webcast at A replay of the webcast will also be available at the same web address through the end of the year. Materials used in the presentation will also be available on Nano-Proprietary, Inc.'s website at

"We are pleased to have been invited to this conference," said Mr. Eller, "We welcome this opportunity to continue bringing our story to the investment community."

Safe Harbor Statement

This press release contains forward-looking statements that involve risks and uncertainties concerning Nano-Proprietary's business, products, and financial results. Actual results may differ materially from the results predicted. More information about potential risk factors that could affect our business, products, and financial results are included in Nano-Proprietary's annual report on Form 10-K/A for the fiscal year ended December 31, 2004, and in reports subsequently filed by Nano-Proprietary with the Securities and Exchange Commission ("SEC"). All documents are available through the SEC's Electronic Data Gathering Analysis and Retrieval System (EDGAR) at or from Nano-Proprietary's web site listed below. Nano-Proprietary hereby disclaims any obligation to publicly update the information provided above, including forward-looking statements, to reflect subsequent events or circumstances.

About Nano-Proprietary, Inc.

Nano-Proprietary, Inc. is a holding company consisting of two wholly-owned operating subsidiaries. Applied Nanotech Inc. is a premier research and commercialization organization dedicated to developing applications for nanotechnology with an extremely strong position in the field of electron emission applications from carbon film/nanotubes. Electronic Billboard Technology, Inc. (EBT) possesses technology related to electronic digitized sign technology. Nano-Proprietary's website is

Company Contact:
Doug Baker
Applied Nanotech Holdings, Inc.

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