NANO-PROPRIETARY, INC. SUBSIDIARY TO EXHIBIT SENSOR PLATFORMS AT
SENSORS EXPO AND CONFERENCE 2006 JUNE 5TH – 7TH

May 23, 2006 - Austin, Texas-based Nano-Proprietary, Inc. (OTC BB: NNPP), announced that its subsidiary Applied Nanotech, Inc. (ANI) will exhibit at "Sensors Expo and Conference” in Rosemont, Illinois, June 5 – 7, 2006. For additional information on this conference visit the conference website at http://www.sensorsexpo.com/sensors2006/v42/index.cvn.
At Sensors Expo, ANI will exhibit products and technologies related to its four current sensor platforms: gated metal oxide sensors (GMOSTM), photo-acoustic sensing system (PAS), metal nanoparticle sensors (MNPS) and enzyme coated carbon nanotube biosensors (ECNT).
ANI’s nanotech enabled sensors have application in commercial, industrial processing, building environmental control and monitoring, defense, and homeland security.
Sensors Expo will be the first opportunity for the public to view a demonstration of the novel carbon monoxide sensor based on ANI’s patented GMOSTM technology platform. A hydrogen sensor for power transformers and carbon dioxide sensors, based on MNPS and PAS platforms, will be also demonstrated.
Sensors Expo and Conference is the largest industry specific event focusing on sensors and sensor integrated systems in North America. The Expo is one of the leading forums on sensing technologies and solutions and brings together a wide variety of sensor technologies and companies providing up-to date innovations.

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 positions in the fields of electron emission applications from carbon film/nanotubes, sensors, functionalized nanomaterials, and nanoelectronics. Electronic Billboard Technology, Inc. (EBT) possesses technology related to electronic digitized sign technology. The Companies have over 200 patents or patents pending. Nano-Proprietary's business model is to license its technology to partners that will manufacture and distribute products using the technology. Nano-Proprietary's website is www.nano-proprietary.com.