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Sono-Tek presents its Ultrasonic Atomization technology at the National Nano Engineering Conference in Boston, November 12, 2008

Recent developments in the uses of nano materials in diverse fields such as aerospace, homeland security, energy, biomedicine and electronics -- all shared one common denominator -- there is an acute need to build tools for the commercialization of these research level accomplishments, in order to bring them to the market place, and translate their technical advantages to economic benefits.

Dr. Joseph Riemer, President of Sono-Tek Corp., presented two ultrasonic systems, which are now fast becoming part of the arsenal of tools enabling nano materials user companies to take their products to the market faster and at significantly lower costs. Sono-Tek's systems provide efficient solutions for accurately and cost effectively dispensing and depositing nano materials on target substrates. These systems are:

         1.  Ultrasonic atomization dispersion syringe pump,
             SonicSyringe (Pat. Pend.)
         2.  Ultrasonic atomization spray nozzle. (Patented).

When conventional mixing devices and pumps are used for dispensing nano particles, they tend to agglomerate and separate from the liquid suspension. The SonicSyringe imparts ultrasonic energy which breaks down and eliminates agglomerates that have formed during earlier handling. The SonicSyringe keeps the nano particles continuously suspended in a uniform and homogenous mixture, thus guaranteeing a steady state dispensing process.

When conventional pressure spray coating and web printing technologies are used to coat nano particles on substrates, their uniformity control is limited and the amount of nano material which must be used is excessive and costly. Sono-Tek's ultrasonic spray nozzles can uniformly and accurately coat a very thin layer of nano particles on substrates of different shapes, forms and sizes.

Examples of successfully commercialized applications include:

Fuel cells, Solar panels, Biodegradable food packaging, Functional Textiles, Specialty Glass and Biological and Chemical Sensors.

Dr. Christopher L. Coccio, Chairman and CEO of Sono-Tek added: "We have embarked on an aggressive business development program which began last year, introducing new patent pending applications and diversifying into new industries. The recognition granted to our technology by numerous high tech industries, as manifested in this important conference is another vote of confidence in Sono-Tek's scientific and business acumen."

For further information, contact Dr. Christopher L. Coccio, at 845-795-2020, or visit our website at www.sono-tek.com

Sono-Tek Corporation is a leading developer and manufacturer of liquid spray products based on its proprietary ultrasonic nozzle technology. Founded in 1975, the Company's products have long been recognized for their performance, quality, and reliability.

This press release contains forward looking statements regarding future events and the future performance of Sono-Tek Corporation that involve risks and uncertainties that could cause actual results to differ materially. These factors include, among other considerations, general economic and business conditions; political, regulatory, competitive and technological developments affecting the Company's operations or the demand for its products; timely development and market acceptance of new products; adequacy of financing; capacity additions, the ability to enforce patents and the successful implementation of the business development program. We refer you to documents that the company files with the Securities and Exchange Commission, which includes Form 10-K and Form 10-Q containing additional important information.

SOURCE Sono-Tek Corporation