ETC Biomedical Systems
News Release

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ETC's BioMedical Division Announces Multiple Orders for its Monoplace Hyperbaric Chambers

Southampton, PA. November 28, 2007. Environmental Tectonics Corporation's (AMEX:ETC) ("ETC" or the "Company") BioMedical Division today announced that it had recently received orders for 8 monoplace hyperbaric chambers from multiple medical facilities throughout the United States. All of the units are to be delivered in 6 months or less.

The industry's most technically advanced hyperbaric chamber, the BARA-MED XD, includes a 4th generation Windows based operating systems which controls and records chamber activity. ETC chambers remain the leader in providing a patient friendly pressurization alternative (Smooth Ride) that minimizes complications due to middle ear and sinus barotraumas without increasing compression time.

Gene Davis, President of ETC's BioMedical Division, commented, " They said it couldn't be done; however, with the sale of these eight chambers we are experiencing the best year of sales in ETC's history.

ETC plans to continue to supply its customers with both well-designed and scientifically advanced products in a competitive market. The BARA-MED and BARA-MED XD is a true evolution of our expertise in bringing practical value and technology closer together.



FOR MORE INFORMATION ON ETC CONTACT:
Duane D. Deaner, CFO of Environmental Tectonics
Tel: 215-355-9100, ext.1203
Fax: 215-357-4000.

Visit www.etccbiomedical.com to learn more.
 

ETC designs, develops, installs and maintains aircrew training systems, public entertainment systems, process simulation systems (sterilization and environmental), clinical hyperbaric systems, environmental testing and simulation systems, and related products for domestic and international customers.

This press release may include forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 as amended, and Section 21E of the Securities Exchange Act of 1934. We have based these forward-looking statements on our current expectations and projections about future events. These forward-looking statements are subject to known and unknown risks, uncertainties and assumptions about the Company that may cause our actual results, levels of activity, performance or achievements to be materially different from any other future results, levels of activity, performance or achievements expressed or implied by such forward-looking statements. In some cases, you can identify forward-looking statements by terminology such as "may", "will", "should", "could", "would", "expect", "plan", "anticipate", "believe", "estimate", "continue", or the negative of such terms or similar expressions. Factors that might cause or contribute to such a discrepancy include, but are not limited to, contract cancellations, failure to obtain new contracts, political unrest in customer countries, unfavorable results in litigation, general economic conditions, and those issues identified from time to time in our Securities and Exchange Commission filings and other public documents, including, without limitation, our Annual Report on Form 10-K for the fiscal year ended February 24, 2006.