Nano-Proprietary, Inc. To Present At The Roth Capital Partners 16th Annual Growth Stock Conference.

Austin, Texas – February 10, 2004 – Nano-Proprietary, Inc. (OTC BB: NNPP) will be presenting on February 19, 2004 at 9:30 am PST at the Roth Capital Partners 16th Annual Growth Stock Conference taking place at the St. Regis Monarch Beach Resort and Spa in Dana Point California.

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 www.vcall.com/cepage.asp?ID=85799. A replay of the webcast will also be available at the same web address for a period of several months. 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) is geared toward licensing its electronic digitized sign technology. Nano-Proprietary's website is www.nano-proprietary.com.

About The Roth Capital Partners 16th Annual Growth Stock Conference

This annual event is the largest in the nation for emerging growth companies. It provides a concentrated forum where Institutional Investors can meet the executives of growth companies hand picked by Roth Capital's research team. The conference will highlight approximately 225 companies from industry groups including Health Care, Consumer Products, Technology and Financial Services. This year, as a result of numerous client requests, Roth has extended the conference to three working days, including a Discovery Day, which will highlight companies "undiscovered" by Wall Street. . For more information about the conferencevisit http://www.apgweb.com/roth/danapoint/.

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

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