AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

Boston Trust Walden Corp's Holding History (CIK: 0001534866)

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

Q1 2014
Shares 203,099 Value ($000) $13,643 Avg Close — Range —
Q4 2013
Shares 208,236 Value ($000) $14,974 Avg Close — Range —
Q3 2013
Shares 218,716 Value ($000) $13,190 Avg Close — Range —
Q2 2013
Shares 336,690 Value ($000) $18,855 Avg Close — Range —