BILLERICA, Mass. – American Science and Engineering, Inc. (AS&E(R)) (NASDAQ: ASEI), a leading worldwide supplier of innovative X-ray detection solutions, announced today the receipt of a $42.2 million service and maintenance renewal order from the U.S. government to extend support of the U.S. government’s fleet of AS&E screening systems.

“This significant service order demonstrates the U.S. government’s unwavering confidence in AS&E’s ability to provide best-in-class technology, service, and support,” said Anthony Fabiano, President and CEO. “AS&E systems continue to support critical security initiatives as effective tools for rapid explosives detection. Receipt of this order ensures that these systems will continue to operate at the highest levels of reliability and detection performance.”

AS&E’s Worldwide Service and Support

AS&E’s highly skilled Field Service Engineers (FSEs) provide support services worldwide. Each FSE, with a technical degree in electrical and mechanical engineering or equivalent experience, is trained in the operation and repair of electronics, hydraulics, pneumatics, mechanics, electrical systems, and computers. Available 7 days a week, 24 hours a day, FSEs are located at AS&E offices in Asia, Europe, the Middle East, and North America.

About AS&E

American Science and Engineering, Inc. (AS&E) is the leading worldwide supplier of innovative X-ray inspection systems. With over 50 years of experience in developing advanced X-ray security systems, the Company’s product line utilizes a combination of technologies, including patented Z Backscatter technology, Radioactive Threat Detection (RTD), high energy transmission and dual energy transmission X-ray. These technologies offer superior X-ray threat detection for plastic explosives, plastic weapons, liquid explosives, dirty bombs and nuclear devices. AS&E’s complete range of products include cargo inspection systems for port and border security, baggage screening systems for facility and aviation security, and personnel and passenger screening systems. AS&E systems protect high-threat facilities and help combat terrorism and trade fraud, drug smuggling, weapon smuggling, and illegal immigration and people smuggling. AS&E customers include leading government agencies, border authorities, military bases, airports and corporations worldwide, including the U.S. Department of Homeland Security (DHS), U.S. Department of Defense (DoD), U.S. Customs and Border Protection (CBP), North Atlantic Treaty Organization (NATO), UK Border Agency (UKBA), Hong Kong Customs, and Abu Dhabi Customs. For more information on AS&E products and technologies, please visit www.as-e.com.