AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q3 2016
Shares 62,906 Value ($000) $1,200 Avg Close — Range —
Q2 2016
Shares 69,545 Value ($000) $1,357 Avg Close — Range —
Q1 2016
Shares 69,945 Value ($000) $1,476 Avg Close — Range —
Q4 2015
Shares 69,945 Value ($000) $1,351 Avg Close — Range —
Q3 2015
Shares 70,225 Value ($000) $1,158 Avg Close — Range —
Q2 2015
Shares 42,916 Value ($000) $813 Avg Close — Range —
Q1 2015
Shares 24,605 Value ($000) $445 Avg Close — Range —