AMCOL INTL CORP

CUSIP: 02341W103 Class: COMMON STOCK

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q1 2014
Shares 54,057 Value ($000) $2,475 Avg Close — Range —
Q4 2013
Shares 33,552 Value ($000) $1,140 Avg Close — Range —
Q3 2013
Shares 26,583 Value ($000) $869 Avg Close — Range —
Q2 2013
Shares 23,242 Value ($000) $737 Avg Close — Range —