Nano-Proprietary, Inc. Announces Investor Conference Call

Market Wire, November, 2005

Austin, Texas-based Nano-Proprietary, Inc. (OTC BB: NNPP) today announced that it will hold an investor conference call on Wednesday, December 14, 2005 at 4:30 p.m. EST. The call will include an up-to-date discussion of corporate events as of that date, as well as a look into 2006.

The investor conference call will also be webcast. Instructions as to how to access both the webcast and the conference call will be released approximately one week in advance of the call.

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 www.sec.gov 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 www.nano-proprietary.com.

COMPANY CONTACT Doug Baker Chief Financial Officer Nano-Proprietary, Inc 248.391.0612 dbaker@ameritech.net MEDIA CONTACT Patti D. Hill BlabberMouth Public Relations 512.218.0401 patti@blabbermouthPR.com