Material Technologies, Inc. Completes Fatigue Tests on Pennsylvania Bridges
Thursday November 17, 9:30 am ET

LOS ANGELES--Nov. 17, 2004--Material Technologies, Inc. (MATECH) (OTCBB:MTNA - News) today announced that it has successfully completed tests using its patented Electrochemical Fatigue Sensor (EFS) on two highway bridges along the Pennsylvania Turnpike. The use of MATECH's EFS could ultimately be made available for use by state transportation departments throughout the United States.

These beta tests on actual bridges confirmed results that were found in the laboratory, namely EFS detects growing cracks in bridge steels. As with previous tests on bridges in CA, NY, and OH, EFS results were verified with more conventional inspection methods. In at least one instance EFS found cracks that were not detected by an eddy current survey.

MATECH has developed the EFS, which is a leading edge technology that monitors fatigue in metals and is capable of detecting the smallest of cracks as compared to any other practical non-destructive test method. It has been demonstrated in the lab to have the capability of detecting growing cracks that lead to fatigue failures, both on and under the surface, as small as 0.010 inches. It is usable on any metallic structure that is subject to cyclic loads, e.g. highway bridges, cranes, aircraft, jet engines, etc.

Matech is excited that it is now able to move forward to the next phase of EFS commercialization. After successfully concluding our laboratory tests and beta tests on bridges, we are now ready to proceed with the development, productization, and marketing of our EFS technology. We believe there is a huge market for our Non Destructive Testing products, not only within the USA but ultimately worldwide.

"I am extraordinarily pleased for the opportunity to evaluate the application of our EFS to Pennsylvania's highway bridges," said MATECH CEO Robert M. Bernstein. "Federal law requires inspection of the nation's approximately 594,000 bridges every other year, of which approximately 25 percent have been rated by the Federal Highway Administration to be structurally deficient. Approximately 200,000 of these bridges are made of metal; therefore, about 100,000 metal bridges are inspected every year. Initial bridge inspections are primarily conducted using the naked eye alone, and the Federal Highway Administration has stated that 56% of these inspections result in incorrect bridge ratings. We strongly believe our EFS technology will be an important tool to enhance the current inspection process by detecting growing flaws that are not visible to the naked eye. With respect to safety, congestion, and construction -- I expect that EFS will provide a tremendous cost savings not only to the Commonwealth of Pennsylvania, but ultimately to every other state by applying EFS to metal bridge inspections."

MATECH is engaged in the research and development of metal fatigue detection, measurement, and monitoring technologies. As such, the Company has developed a suite of devices for the non-destructive evaluation of fatigue in metals.

For more information on Material Technologies, visit www.matechcorp.com.

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995: Statements in this document looking forward in time involve risks and uncertainties, and therefore actual results may be materially different. Factors that could cause actual results to differ include activity levels in the securities markets and other risk factors such as customer order rates, cancellations, late delivery of customer components, late system delivery, production delays, dependence upon certain customers, dependencies upon key executives, competition, product liability risk, control by management, and other risks detailed in the applicable U.S. Securities and Exchange Commission requirements.

Contact:
Material Technologies, Inc.
Robert M. Bernstein, 310-208-5589
matech@att.net

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