AMCOL INTL CORP

CUSIP: 02341W103 Class: COMMON STOCK

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q1 2014
Shares 48,498 Value ($000) $2,220 Avg Close — Range —
Q4 2013
Shares 86,974 Value ($000) $2,955 Avg Close — Range —
Q3 2013
Shares 3,669 Value ($000) $120 Avg Close — Range —
Q2 2013
Shares 3,534 Value ($000) $112 Avg Close — Range —