AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

Sterling Investment Advisors, Ltd.'s Holding History (CIK: 0001701132)

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

Q4 2018
Shares 1,000 Value ($000) $16 Avg Close — Range —
Q3 2018
Shares 2,000 Value ($000) $51 Avg Close — Range —
Q2 2018
Shares 2,000 Value ($000) $51 Avg Close — Range —
Q1 2018
Shares 3,000 Value ($000) $69 Avg Close — Range —
Q4 2017
Shares 2,000 Value ($000) $51 Avg Close — Range —