AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

FIRST TRUST ADVISORS LP's Holding History (CIK: 0001125816)

Note: Option positions (PUT/CALL) are excluded.

Q3 2014
Shares 7,383 Value ($000) $409 Avg Close — Range —
Q4 2013
Shares 7,391 Value ($000) $531 Avg Close — Range —
Q3 2013
Shares 5,444 Value ($000) $328 Avg Close — Range —