| Date | Event |
| 19-Nov-09 | Ex-Date for dividend payment of $0.20 |
| 18-Nov-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Creation of a Dire |
| 5-Nov-09 | American Science and Engineering Earnings Call scheduled for 4:30 pm ET today |
| 5-Nov-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial State |
| 5-Nov-09 | Earnings announcement |
| 28-Oct-09 | American Science & Engineering upgraded by Morgan Keegan |
| 21-Oct-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Other Events |
| 1-Oct-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Other Events |
| 16-Sep-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Other Events |
| 15-Sep-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Other Events |
| 11-Sep-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Change in Directors or Principal Officers |
| 20-Aug-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Other Events |
| 20-Aug-09 | Ex-Date for dividend payment of $0.20 |
| 6-Aug-09 | American Science and Engineering Earnings Call scheduled for 4:30 pm ET today |
| 6-Aug-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial State |
| 2-Jul-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Change in Directors or Principal Officers |
| 15-Jun-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Other Events |
| 15-Jun-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 10-K, Annual Report |
| 22-May-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Other Events |
| 15-May-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial State |
| 13-Mar-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 26-Feb-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 11-Feb-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial State |
| 10-Feb-09 | Price hit new 52-week high ($83.22) |
| 9-Feb-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 10-Q, Quarterly Report |
| 23-Jan-09 | Price hit new 52-week high ($82.93) |
| 16-Jan-09 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 15-Jan-09 | Price hit new 52-week high ($81.11) |
| 17-Nov-08 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Creation of a Dire |
| 13-Nov-08 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial State |
| 12-Nov-08 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Change in Directors or Principal Officers |
| 10-Nov-08 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 10-Q, Quarterly Report |
| 6-Nov-08 | AMERICAN SCIENCE & ENGINEERING INC Files SEC form 8-K, Change in Directors or Principal Officers |
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