AMCOL INTL CORP

CUSIP: 02341W103 Class: COMMON STOCK

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q1 2014
Shares 25,313 Value ($000) $1,159 Avg Close — Range —
Q4 2013
Shares 26,217 Value ($000) $891 Avg Close — Range —
Q3 2013
Shares 27,282 Value ($000) $892 Avg Close — Range —
Q2 2013
Shares 26,569 Value ($000) $842 Avg Close — Range —