AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q2 2012
Shares 61,690 Value ($000) $1,104 Avg Close — Range —
Q1 2012
Shares 61,690 Value ($000) $1,100 Avg Close — Range —
Q4 2011
Shares 61,690 Value ($000) $946 Avg Close — Range —