American Science and Engineering, Inc. Announces Notice of Q4 and Fisc

    Business Editors/Technology Editors

    BILLERICA, Mass.--(BUSINESS WIRE)--May 10, 2005--American Science and Engineering, Inc. (NASDAQ: ASEI) (AS&E(R)) will announce its fourth quarter (ended March 31, 2005) and fiscal year 2005 results before the market opens on Friday, May 13, 2005. A copy of the full press release will be issued via fax and/or Business Wire shortly thereafter.

    Anthony Fabiano, President and CEO, and Ken Galaznik, CFO and Treasurer, will host the conference call on Friday, May 13, 2005 at 11:00 a.m. EST to discuss the results and respond to questions.

    QUESTIONS? If you have prepared questions, please submit them prior to the conference call via fax to Annemarie Sadowski, at 1-978-262-8801 or e-mail them to asadowski@as-e.com. The earnings results presentation will be followed by a question and answer session.

    To participate in the conference call, please follow these instructions:

    On the day of the teleconference, please dial 1-866-800-8651 at least 10 minutes prior to starting time. For international participants, dial 1-617-614-2704. Please tell the Operator the confirmation code: 33080398. You will be placed on hold until the conference call is ready to begin.

    An audio replay of the teleconference will be available, in its entirety, starting at 1:00 p.m. EST for a 24-hour period by dialing 1-888-286-8010. Internationally, please dial 1-617-801-6888. The conference identification number is 73372330. The replay will also be available at www.as-e.com in the Investors section following the conference.

    About AS&E(R)

    American Science and Engineering, Inc. develops and manufactures state-of-the-art X-ray inspection systems for homeland security and other critical defense applications. AS&E continues to innovate, create and develop new products by investing in new ideas through research and development, and evolving its technology to meet the needs of an ever-changing world. AS&E's patented Z(R) Backscatter technology detects plastic explosives, illegal drugs, and other contraband, even when artfully concealed in complex backgrounds by terrorists and smugglers. AS&E's Shaped Energy(TM) X-ray inspection systems combine the material discrimination features of Z Backscatter imaging with the penetration capability of high-energy X-rays for dense cargoes, without the problems caused by excessive radiation. For more information on AS&E products and technologies, please visit http://www.as-e.com.

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CONTACT: American Science and Engineering, Inc. Annemarie Sadowski, 978-262-8828

KEYWORD: MASSACHUSETTS INDUSTRY KEYWORD: HARDWARE AEROSPACE/DEFENSE GOVERNMENT SOFTWARE EARNINGS CONFERENCE CALLS SOURCE: American Science and Engineering, Inc.

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