American Science and Engineering, Inc. Establishes Marketing and Distribution Channel in China for the ZBV with Nuctech; AS&E to supply ZBV X-ray Sub-Systems to Nuctech Company Limited

Continuing to expand the global reach of its proprietarytechnology, American Science and Engineering, Inc. (NASDAQ: ASEI)(AS&E(R)), a worldwide leader in X-ray detection technology, announcedtoday a marketing and distribution partnership in China with NuctechCompany Limited (Nuctech), a worldwide leading research anddevelopment enterprise and manufacturer of cargo X-ray inspectionsystems, for the Z(R) Backscatter Van(TM) (ZBV). In addition to actingas a value added reseller, Nuctech will supply parts, training,warranty and service and support for the ZBV. The partnership willenable AS&E access into the Chinese security inspection market.

The agreement provides for Nuctech to integrate a pre-assembledX-ray sub-system of AS&E's Z Backscatter Van (ZBV) into a localvehicle chassis for distribution to Chinese customers. The X-raysub-system will include AS&E proprietary software. AS&E has alsoreceived the first order from Nuctech for the ZBV X-ray sub-system.

"This agreement offers AS&E a significant opportunity to bring ourproprietary ZBV into the world's fastest growing market," said AnthonyFabiano, President and CEO. "Our new partner, Nuctech, with itsreputation for delivering high-quality X-ray detection systems, willopen up key distribution channels in China for the ZBV. The firstorder for the ZBV X-ray sub-system initiates this strategic alliance-- another important step for the ZBV's recognition in the worldmarketplace."

Fabiano continued, "In advance of this agreement, AS&E has filedfor patents in China for AS&E's proprietary technology -- a move thatis consistent with our strategy to secure protection for our criticalIntellectual Property internationally as well as domestically. We lookforward to working closely with our colleagues at Nuctech to make thesale of the ZBV in China a mutually successful business venture."

A breakthrough in X-ray detection technology, AS&E's Z BackscatterVan is a low-cost, highly mobile screening system built into acommercially available delivery van. The ZBV allows for immediatedeployment in response to security threats, and its high throughputcapability facilitates rapid inspections. The system's unique"drive-by" capability allows one or two operators to conduct X-rayimaging while the ZBV drives past suspect vehicles and objects. Forpersonnel safety in dangerous environments, a remote console isavailable for operating the system in stationary mode from a distanceof up to 500 meters.

About AS&E(R)

American Science and Engineering, Inc. (AS&E) is the leadingworldwide supplier of innovative X-ray inspection and screeningsystems. With more than 45 years experience in developing advancedX-ray security systems, the Company's product line utilizes a varietyof technologies including patented Z(R) Backscatter(TM), ShapedEnergy(TM) and Radioactive Threat Detection (RTD). These technologiesoffer superior detection of threats including plastic explosives,plastic weapons, illegal drugs, other contraband, dirty bombs andnuclear devices. AS&E offers a complete range of X-ray inspectionproducts including Z(R) Backscatter screening systems,CargoSearch(TM), and ParcelSearch(TM) inspection systems, used forcritical detection and security applications to combat terrorism, drugand weapon smuggling, trade fraud, and illegal immigration. AS&Ecustomers include leading governmental agencies, border authorities,military bases, airports and corporations worldwide, including theU.S. Department of Homeland Security, U.S. Department of Defense, U.S.Customs and Border Protection, Royal Thai Police, HM Customs & Excise(U.K.) and Hong Kong Customs. For more information on AS&E productsand technologies, please visit www.as-e.com.

Safe Harbor Statement. The foregoing press release containsstatements concerning AS&E's financial performance, markets andbusiness operations that may be considered "forward-looking" underapplicable securities laws. AS&E wishes to caution readers of thispress release that actual results might differ materially from thoseprojected in any forward-looking statements. Factors which might causeactual results to differ materially from those projected in theforward-looking statements contained herein include the following:significant reductions or delays in procurements of the Company'ssystems by the United States and other governments; disruption in thesupply of any source component incorporated into AS&E's products;litigation seeking to restrict the use of intellectual property usedby the Company; potential product liability claims against theCompany; global political trends and events which affect publicperception of the threat presented by drugs, explosives and othercontraband; global economic developments and the ability ofgovernments and private organizations to fund purchases of theCompany's products to address such threats; and the potentialinsufficiency of Company resources, including human resources,capital, plant and equipment and management systems, to accommodateany future growth, and future delays in federal funding. These andcertain other factors which might cause actual results to differmaterially from those projected are detailed from time to time inAS&E's periodic reports and registration statements filed with theSecurities and Exchange Commission, which important factors areincorporated herein by reference. AS&E undertakes no obligation toupdate forward looking statements to reflect changed assumptions, theoccurrence of unanticipated events, or changes in future operatingresults, financial condition or business over time.