AMCOL INTL CORP

CUSIP: 02341W103 Class: COMMON STOCK

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q1 2014
Shares 41,686 Value ($000) $1,908 Avg Close — Range —
Q4 2013
Shares 44,148 Value ($000) $1,500 Avg Close — Range —
Q3 2013
Shares 46,048 Value ($000) $1,505 Avg Close — Range —
Q2 2013
Shares 46,595 Value ($000) $1,477 Avg Close — Range —