AS&E’s Parcel and Mobile Cargo Inspection Products and Services are Certified as Qualified Anti-Terrorism Technology by the U.S. Department of Homeland Security

BILLERICA, Mass.–American Science and Engineering, Inc. (NASDAQ: ASEI) (AS&E®), a leading worldwide supplier of innovative X-ray inspection solutions, announced today that it has received SAFETY (Support Anti-terrorism by Fostering Effective Technology) Act Certification from the U.S. Department of Homeland Security (DHS) for a range of cargo and parcel X-ray inspection products and associated services. All of these products and services are in-use around the world by the U.S. Government. Certification provides legal liability protection to customers and users of AS&E’s certified products related to an act of terrorism. AS&E is one of a small number of companies to pass the stringent standards set forth in the DHS SAFETY Act.

Anthony R. Fabiano, President and CEO, commented, “Receiving SAFETY Act Certification for our product and services marks an important product reliability and risk management milestone. AS&E’s inspection systems are in-use at high-threat facilities, military facilities, ports, borders, and airports around the world for superior detection of a wide range of terrorist threats including plastic explosives, plastic weapons, liquid explosives, dirty bombs, and nuclear devices. This Certification validates AS&E’s critical role in the fight against terrorism and demonstrates that AS&E’s products have been developed to meet the highest possible quality standards for protecting people, assets, and critical infrastructure.”

AS&E received this exclusive Certification after meeting the qualifications outlined in the SAFETY Act of 2002. Established as part of the Homeland Security Act of 2002, the SAFETY Act provides incentives for the development and deployment of anti-terrorism technologies. As a result of receiving Certification, AS&E’s products and services have been placed on the DHS Approved Products List for Homeland Security. AS&E parcel X-ray inspection products certified by the DHS as an anti-terrorism technology include the Gemini™ system, the Model 66Zplus™, 101Z™, 101ZZ™, 101XL™, 101GT™, and 101Z Van™. In addition, AS&E cargo X-ray inspection products certified include the Z Backscatter Van™ (ZBV™) and MobileSearch™ system. Attendant services, including, installation, training, warranty, maintenance, spare parts and technical manuals have also been certified. More information and the complete list can be found at www.safetyact.gov.

About AS&E®

American Science and Engineering, Inc. (AS&E) is the leading worldwide supplier of innovative X-ray inspection systems. With 50 years of experience, the Company manufactures and sells a complete range of sophisticated x-ray inspection products to protect high-threat facilities and help combat terrorism, trade fraud, drug trafficking, weapons smuggling, and illegal immigration. AS&E’s complete range of products include large cargo inspection systems for screening trucks, cars, pallets and air cargo, mobile Z-backscatter systems for screening vehicles at a security checkpoint or border crossings, baggage and parcel screening systems for screening of parcels, baggage and mail, and personnel and passenger screening systems for screening of threats hidden on a person. Its product lines utilize technologies including patented Z Backscatter technology, Radioactive Threat Detection (RTD), high energy and dual energy transmission X-ray for superior detection of plastic explosives, plastic weapons, liquid explosives, dirty bombs and nuclear devices. AS&E systems protect 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), Royal Thai Police, HM Revenue & Customs (U.K.), Hong Kong Customs, and Abu Dhabi Customs. For more information on AS&E products and technologies, please visit www.as-e.com.

Safe Harbor Statement. The foregoing press release contains statements concerning AS&E’s financial performance, markets and business operations that may be considered “forward-looking” under applicable securities laws. AS&E wishes to caution readers of this press release that actual results might differ materially from those projected in any forward-looking statements. Factors which might cause actual results to differ materially from those projected in the forward-looking statements contained herein include the following: significant reductions or delays in procurements of the Company’s systems by the United States and other governments; disruption in the supply of any source component incorporated into AS&E’s products; litigation seeking to restrict the use of intellectual property used by the Company; potential product liability claims against the Company; global political trends and events which affect public perception of the threat presented by drugs, explosives and other contraband; global economic developments and the ability of governments and private organizations to fund purchases of the Company’s products to address such threats; and the potential insufficiency of Company resources, including human resources, capital, plant and equipment and management systems, to accommodate any future growth, and future delays in federal funding. These and certain other factors which might cause actual results to differ materially from those projected are detailed from time to time in AS&E’s periodic reports and registration statements filed with the Securities and Exchange Commission, which important factors are incorporated herein by reference. AS&E undertakes no obligation to update forward looking statements to reflect changed assumptions, the occurrence of unanticipated events, or changes in future operating results, financial condition or business over time.