AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

Retirement Systems of Alabama's Holding History (CIK: 0001593051)

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

Q3 2013
Shares 65,408 Value ($000) $3,945 Avg Close — Range —
Q2 2013
Shares 65,408 Value ($000) $3,663 Avg Close — Range —
Q1 2013
Shares 65,408 Value ($000) $3,989 Avg Close — Range —