AMCOL INTL CORP

CUSIP: 02341W103 Class: COMMON STOCK

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q1 2014
Shares 9,709 Value ($000) $444 Avg Close — Range —
Q4 2013
Shares 9,709 Value ($000) $330 Avg Close — Range —
Q3 2013
Shares 9,709 Value ($000) $317 Avg Close — Range —
Q2 2013
Shares 9,709 Value ($000) $308 Avg Close — Range —