SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

Clarkston Capital Partners, LLC's Holding History (CIK: 0001562855)

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

Q3 2015
Shares 14,628 Value ($000) $2,032 Avg Close — Range —
Q2 2015
Shares 15,908 Value ($000) $2,217 Avg Close — Range —
Q1 2015
Shares 17,553 Value ($000) $2,427 Avg Close — Range —
Q4 2014
Shares 20,717 Value ($000) $2,844 Avg Close — Range —
Q3 2014
Shares 23,050 Value ($000) $3,135 Avg Close — Range —
Q2 2014
Shares 20,480 Value ($000) $2,078 Avg Close — Range —
Q1 2014
Shares 19,945 Value ($000) $1,862 Avg Close — Range —
Q4 2013
Shares 18,915 Value ($000) $1,778 Avg Close — Range —
Q3 2013
Shares 16,930 Value ($000) $1,444 Avg Close — Range —
Q2 2013
Shares 14,725 Value ($000) $1,184 Avg Close — Range —