AMCOL INTL CORP

CUSIP: 02341W103 Class: COMMON STOCK

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q1 2014
Shares 83,956 Value ($000) $3,844 Avg Close — Range —
Q4 2013
Shares 106,506 Value ($000) $3,619 Avg Close — Range —
Q3 2013
Shares 108,906 Value ($000) $3,559 Avg Close — Range —
Q2 2013
Shares 109,906 Value ($000) $3,483 Avg Close — Range —