BILLERICA, Mass. – American Science and Engineering, Inc. (“AS&E”) (NASDAQ: ASEI), a leading worldwide supplier of innovative X-ray detection solutions, announced today the receipt of an order for a Z Portal cargo and vehicle screening system. The Z Portal system will be used by law enforcement officials to scan vehicles and trucks entering a U.S.-based critical infrastructure facility for explosive threats, weapons, and contraband.

“AS&E’s Z Portal system is uniquely capable to meet this law enforcement agency’s stringent detection requirements for explosive threats and contraband,” said Anthony Fabiano, President and CEO. “The Z Portal system has a proven track record to protect critical infrastructure, military bases, and border crossings around the world — all while maximizing safety and throughput. We are very proud to assist law enforcement in their mission to protect our nation’s critical infrastructure and safeguarding this U.S. facility.”

AS&E’s Critical Infrastructure Inspection Solutions

AS&E has a full range of leading-edge, industry-proven security screening solutions for critical infrastructure that is essential to the function of corporations, governments and national defense organizations around the world. Securing these facilities is crucial to protect the safe operation of facilities for electricity, telecommunications, transportation, water supplies, military, police, banking, hospitals, heating, agriculture, commerce, oil and gas refineries, and national monuments. AS&E systems for cargo, parcel, and personnel screening are deployed worldwide, helping large governments and corporations protect their vital assets.

AS&E’s Z PortalCargo & Vehicle Screening System: High-Throughput, Drive-Through Inspection

The Z Portal system is the most comprehensive screening system available with multi-view, drive-through screening for left, right, and top-down imaging of cars, vans, trucks, and their cargo. Z Portal’s patented Z Backscatter technology produces photo-like images for superior detection capability of plastic and liquid explosives, narcotics, and plastics weapons, drugs, stowaways, and alcohol. With its compact design, the Z Portal system is ideal for high-traffic locations with space constraints and a high-throughput requirement and is safe for drivers, operators, cargo, and the environment. The relocatable screening system is available in two sizes — one for large trucks, buses, and cargo vehicles, and a smaller size for passenger vehicles. Customers include U.S. Department of Defense, U.S. Customs and Border Protection, and NATO.

About AS&E

American Science and Engineering, Inc. (AS&E) is a leading worldwide supplier of innovative X-ray inspection systems. With over HU50 years of experience in developing advanced X-ray security systems, the Company’s product line utilizes a combination of technologies, including patented HUZ 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(R) 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.

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, delays or cancellations (in full or in part) 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; limitations under certain laws on the Company’s ability to protect its own intellectual property; 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; the potential insufficiency of Company resources, including human resources, capital, plant and equipment and management systems, to accommodate any future growth; technical problems and other delays that could impact new product development and the Company’s ability to adapt to changes in technology and customer requirements; competitive pressures; lengthy sales cycles both in United States government procurement and procurement abroad;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. Readers are further advised to review the “Risk Factors” set forth in the Company’s Annual Report on Form 10-K, which further detail and supplement the factors described in this Safe Harbor Statement.Among other disclosures, the Risk Factors disclose risks pertaining to that portion of the Company’s business that is dependent on United States government contracting as well as international customers.As a contractor with the United States government, a significant number of the Company’s government contracts may be terminated at the government’s discretion.