AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

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

Q4 2015
Shares 11,957 Value ($000) $495 Avg Close — Range —
Q3 2015
Shares 9,448 Value ($000) $341 Avg Close — Range —
Q2 2014
Shares 4,977 Value ($000) $346 Avg Close — Range —