AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

Artisan Partners Limited Partnership's Holding History (CIK: 0001466153)

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

Q1 2016
Shares 274,133 Value ($000) $5,781 Avg Close — Range —
Q4 2015
Shares 489,542 Value ($000) $9,453 Avg Close — Range —
Q3 2015
Shares 586,837 Value ($000) $9,671 Avg Close — Range —
Q2 2015
Shares 543,308 Value ($000) $10,290 Avg Close — Range —
Q1 2015
Shares 433,572 Value ($000) $7,826 Avg Close — Range —
Q4 2014
Shares 676,937 Value ($000) $12,598 Avg Close — Range —
Q3 2014
Shares 635,572 Value ($000) $14,141 Avg Close — Range —