AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

SECURITY NATIONAL BANK OF SO DAK's Holding History (CIK: 0001105909)

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

Q3 2018
Shares 49,565 Value ($000) $1,258 Avg Close — Range —
Q2 2018
Shares 48,920 Value ($000) $1,259 Avg Close — Range —
Q1 2018
Shares 48,960 Value ($000) $1,122 Avg Close — Range —
Q4 2017
Shares 47,565 Value ($000) $1,209 Avg Close — Range —
Q3 2017
Shares 48,355 Value ($000) $1,125 Avg Close — Range —
Q2 2017
Shares 48,882 Value ($000) $1,069 Avg Close — Range —
Q1 2017
Shares 47,792 Value ($000) $1,095 Avg Close — Range —
Q4 2016
Shares 46,957 Value ($000) $1,113 Avg Close — Range —
Q3 2016
Shares 46,142 Value ($000) $880 Avg Close — Range —
Q2 2016
Shares 43,782 Value ($000) $854 Avg Close — Range —
Q1 2016
Shares 43,597 Value ($000) $920 Avg Close — Range —
Q4 2015
Shares 41,077 Value ($000) $793 Avg Close — Range —
Q3 2015
Shares 39,072 Value ($000) $644 Avg Close — Range —
Q2 2015
Shares 39,642 Value ($000) $751 Avg Close — Range —
Q1 2015
Shares 35,790 Value ($000) $647 Avg Close — Range —
Q4 2014
Shares 20,610 Value ($000) $384 Avg Close — Range —
Q3 2014
Shares 47,130 Value ($000) $1,048 Avg Close — Range —