SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

SFE Investment Counsel's Holding History (CIK: 0001317784)

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

Q3 2015
Shares 3,805 Value ($000) $529 Avg Close — Range —
Q2 2015
Shares 4,675 Value ($000) $651 Avg Close — Range —
Q1 2015
Shares 5,867 Value ($000) $811 Avg Close — Range —
Q4 2014
Shares 16,855 Value ($000) $2,314 Avg Close — Range —
Q3 2014
Shares 24,474 Value ($000) $3,329 Avg Close — Range —
Q2 2014
Shares 55,219 Value ($000) $5,604 Avg Close — Range —
Q1 2014
Shares 57,286 Value ($000) $5,349 Avg Close — Range —
Q4 2013
Shares 61,731 Value ($000) $5,803 Avg Close — Range —
Q3 2013
Shares 61,176 Value ($000) $5,218 Avg Close — Range —
Q2 2013
Shares 62,406 Value ($000) $5,019 Avg Close — Range —