AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q1 2017
Shares 247 Value ($000) $6 Avg Close — Range —
Q4 2016
Shares 247 Value ($000) $6 Avg Close — Range —
Q3 2016
Shares 439 Value ($000) $8 Avg Close — Range —
Q2 2016
Shares 439 Value ($000) $9 Avg Close — Range —
Q1 2016
Shares 801 Value ($000) $17 Avg Close — Range —