SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

MITCHELL SINKLER & STARR/PA's Holding History (CIK: 0001048921)

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

Q1 2015
Shares 1,635 Value ($000) $226 Avg Close — Range —
Q4 2014
Shares 1,640 Value ($000) $225 Avg Close — Range —
Q3 2014
Shares 2,040 Value ($000) $277 Avg Close — Range —
Q2 2013
Shares 64,780 Value ($000) $5,209 Avg Close — Range —