AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

ALGERT GLOBAL LLC's Holding History (CIK: 0001275218)

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

Q2 2017
Shares 11,637 Value ($000) $255 Avg Close — Range —
Q1 2017
Shares 12,762 Value ($000) $292 Avg Close — Range —
Q4 2016
Shares 12,197 Value ($000) $289 Avg Close — Range —
Q3 2016
Shares 11,547 Value ($000) $220 Avg Close — Range —
Q2 2016
Shares 49,055 Value ($000) $957 Avg Close — Range —
Q1 2016
Shares 54,708 Value ($000) $1,154 Avg Close — Range —
Q4 2015
Shares 38,714 Value ($000) $748 Avg Close — Range —
Q3 2015
Shares 28,220 Value ($000) $465 Avg Close — Range —
Q2 2015
Shares 19,040 Value ($000) $361 Avg Close — Range —
Q3 2014
Shares 13,620 Value ($000) $303 Avg Close — Range —