AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO's Holding History (CIK: 0001007280)

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

Q1 2015
Shares 1,116 Value ($000) $55 Avg Close — Range —
Q4 2014
Shares 800 Value ($000) $42 Avg Close — Range —
Q3 2014
Shares 490 Value ($000) $27 Avg Close — Range —
Q2 2014
Shares 308 Value ($000) $21 Avg Close — Range —