Los Angeles, CA - April 23, 2007 -- In February, 2007, Material Technologies, Inc. ("MATECH" or "the Company") (OTC BB; MTTG.OB - News) met with representatives of the Alabama Department of Transportation to discuss the technical, economic, and safety advantages of its revolutionary Electrochemical Fatigue Sensor™(EFS).  The Alabama DOT is known for its bridge testing/inspection experience and expertise.

Since that meeting, the Alabama DOT has decided to repair a major interstate bridge with fatigue cracks and indicated it will contract with MATECH to use the EFS system to verify that those repairs were effective.  The ability to verify the effectiveness of a repair is just one of the many features of the EFS system. 

"We are very pleased to be working with an organization like the Alabama DOT.," said MATECH CEO Robert M. Bernstein. "Our EFS technology is the only technology that can immediately verify the effectiveness of repairs.  The ability to growing cracks as small as 0.01 in. is clearly of great use to bridge owners."

MATECH's proprietary EFS inspection system can satisfy new welded rail safety requirements set forth by the $286 billion U.S. Transportation Bill, known as SAFETEA-LU, signed into law in late 2005. The legislation requires, among others, each railway track operator using continuous welded rail track to include procedures to improve the identification of cracks as well as improve the methods of inspection of joint bars in continuous welded rail.

About Material Technologies, Inc. (MTTG.OB)

MATECH is an engineering, research and development company specializing in technologies to measure microscopic fractures and flaws in metal structures and monitor metal fatigue in real time. The company’s leading edge metal fatigue detection, measurement and monitoring solutions can accurately test the integrity of metal structures and equipment including bridges, railroads, airplanes, ships, cranes, power plants, mining equipment, piping systems and heavy iron.

MATECH owns the only non-destructive testing technology able to find growing cracks as minute as 0.01 inches—critical information that allows structural engineers to isolate and repair the more than 100,000 steel bridges in the U.S. which have been classified as structurally deficient or functionally obsolete by the Federal Highway Administration. MATECH has exclusive rights to seven patents along with $8.3 million in already completed contracts from the US Government for research, testing and validation of its innovative solutions.

To hear more about MTNA from CEO/President Robert M. Bernstein go to:
http://www.publiccoreport.net/featured/MTNA/company.asp

Forward-Looking Statements:

Except for the historical information contained herein, the matters discussed in this press release are forward-looking statements. Such statements are indicated by words or phrases such as "believe," "will," "breakthrough," "significant," "indicated," "feel," "revolutionary," "should," "ideal," "extremely" and "excited." These statements are made under "Safe Harbor" provisions of the Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those described in forward-looking statements and are subject to risks and uncertainties. See the Company's filings with the Securities and Exchange Commission including, without limitation, the Company's recent Form 10-K and Form 10-Qs, which identify specific factors that may cause actual results or events to differ materially from those described in the forward-looking statements.

Contact:

Robert M. Bernstein
Material Technologies, Inc.
1.310.208.5589
matech@matechcorp.com