AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q3 2018
Shares 13,754 Value ($000) $349 Avg Close — Range —
Q2 2018
Shares 21,179 Value ($000) $545 Avg Close — Range —