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

September 8, 2004 – Nano-Proprietary, Inc. (OTC BB: NNPP) will be presenting on Tuesday September 14, 2004 at 4:30 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 http://www.wsw.com/webcast/roth4/nnpp.ob. 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 be available to the public on Nano-Proprietary's website at www.nano- proprietary.com.

"We are pleased to have been invited to this conference," said Mr. Eller, "We have been receiving increased attention from institutional investors in recent months due to the development contracts and licensing opportunities being created by the strength of our patent portfolio and technical team. We welcome this opportunity to bring our story to the investment community."

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 development 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 www.nano-proprietary.com.

Company Contact:
Doug Baker
Applied Nanotech Holdings, Inc.
248.391.0612
dbaker(at)appliednanotech.net

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