SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

DEAN INVESTMENT ASSOCIATES, LLC's Holding History (CIK: 0000846797)

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

Q1 2015
Shares 35,121 Value ($000) $4,855 Avg Close — Range —
Q4 2014
Shares 35,796 Value ($000) $4,914 Avg Close — Range —
Q3 2014
Shares 45,634 Value ($000) $6,207 Avg Close — Range —
Q2 2014
Shares 45,511 Value ($000) $4,618 Avg Close — Range —
Q1 2014
Shares 10,395 Value ($000) $971 Avg Close — Range —
Q4 2013
Shares 10,997 Value ($000) $1,034 Avg Close — Range —
Q3 2013
Shares 11,675 Value ($000) $996 Avg Close — Range —
Q2 2013
Shares 11,908 Value ($000) $958 Avg Close — Range —