American Science and Engineering, Inc. Announces Notice of Q3 Fiscal Year 2007 Earnings Call.

Upcoming Conference Call scheduled for February 9, 2007 at 11:00 a.m. ET

BILLERICA, Mass. -- American Science and Engineering, Inc. (NASDAQ: ASEI) (AS&E([R])) will announce its third quarter fiscal year 2007 (ended December 31, 2006) results before the market opens on Friday, February 9, 2007. A copy of the full press release will be issued via fax, email, or Business Wire shortly thereafter.

Anthony Fabiano, President and CEO, and Ken Galaznik, CFO and Treasurer, will host the conference call Friday, February 9, 2007 at 11:00 a.m. ET to discuss the results and respond to questions.

QUESTIONS? If you have prepared questions, please submit them prior to the conference call via e-mail them to [e-mail] or fax to Annemarie Sadowski at 1-978-262-8801.

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

On the day of the teleconference, please dial 866-202-4367 at least 10 minutes prior to its starting time. International participants, please dial [phone]. The confirmation code for the call is 65704692. 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 Friday, February 9, 2007 at 1:00 p.m. ET for a 48-hour period by dialing 888-286-8010. Internationally, please dial [phone]. The conference identification number is 34896941. The replay will also be available at www.as-e.com in the Investor Information section following the conference.

About AS&E([R])

American Science and Engineering, Inc. (AS&E) is the leading worldwide supplier of innovative X-ray inspection and screening systems. With more than 45 years of experience in developing advanced X-ray security systems, the Company's product line utilizes a variety of technologies, including patented Z([R])Backscatter([TM]), Shaped Energy([TM]) and Radioactive Threat Detection (RTD). These technologies offer superior detection of threats including plastic explosives, plastic weapons, illegal drugs, other contraband, dirty bombs and nuclear devices. AS&E offers a complete range of X-ray inspection products including Z([R]) Backscatter screening systems, CargoSearch([TM]), and ParcelSearch([TM]) inspection systems, used for critical detection and security applications to combat terrorism, drug and weapon smuggling, trade fraud, and illegal immigration. AS&E customers include leading governmental agencies, border authorities, military bases, airports and corporations worldwide, including the U.S. Department of Homeland Security, U.S. Department of Defense, U.S. Customs and Border Protection, NATO, Royal Thai Police, HM Revenue & Customs (UK) and Hong Kong Customs. For more information on AS&E products and technologies, please visit www.as-e.com.