AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

Public Sector Pension Investment Board's Holding History (CIK: 0001396318)

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

Q4 2015
Shares 4,880 Value ($000) $202 Avg Close — Range —
Q3 2015
Shares 7,880 Value ($000) $280 Avg Close — Range —
Q2 2015
Shares 11,080 Value ($000) $485 Avg Close — Range —
Q1 2015
Shares 13,880 Value ($000) $678 Avg Close — Range —
Q4 2014
Shares 14,898 Value ($000) $773 Avg Close — Range —
Q3 2014
Shares 14,898 Value ($000) $825 Avg Close — Range —
Q2 2014
Shares 17,239 Value ($000) $1,200 Avg Close — Range —
Q1 2014
Shares 15,848 Value ($000) $1,065 Avg Close — Range —
Q4 2013
Shares 19,148 Value ($000) $1,377 Avg Close — Range —
Q3 2013
Shares 18,748 Value ($000) $1,131 Avg Close — Range —
Q2 2013
Shares 14,648 Value ($000) $820 Avg Close — Range —