AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q2 2016
Shares 1,394 Value ($000) $52 Avg Close — Range —
Q1 2016
Shares 1,274 Value ($000) $35 Avg Close — Range —
Q4 2015
Shares 1,155 Value ($000) $48 Avg Close — Range —
Q3 2015
Shares 1,053 Value ($000) $37 Avg Close — Range —
Q2 2015
Shares 987 Value ($000) $43 Avg Close — Range —
Q1 2015
Shares 994 Value ($000) $49 Avg Close — Range —
Q4 2014
Shares 1,012 Value ($000) $53 Avg Close — Range —
Q3 2014
Shares 987 Value ($000) $55 Avg Close — Range —
Q2 2014
Shares 991 Value ($000) $69 Avg Close — Range —
Q1 2014
Shares 960 Value ($000) $64 Avg Close — Range —
Q4 2013
Shares 1,248 Value ($000) $90 Avg Close — Range —
Q3 2013
Shares 1,149 Value ($000) $69 Avg Close — Range —
Q2 2013
Shares 1,080 Value ($000) $60 Avg Close — Range —