SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

Ironwood Investment Counsel, LLC's Holding History (CIK: 0001330463)

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

Q3 2015
Shares 8,325 Value ($000) $1,156 Avg Close — Range —
Q2 2015
Shares 8,325 Value ($000) $1,160 Avg Close — Range —
Q1 2015
Shares 8,300 Value ($000) $1,147 Avg Close — Range —
Q4 2014
Shares 8,312 Value ($000) $1,141 Avg Close — Range —
Q3 2014
Shares 9,912 Value ($000) $1,348 Avg Close — Range —
Q2 2014
Shares 9,900 Value ($000) $1,005 Avg Close — Range —
Q1 2014
Shares 10,000 Value ($000) $934 Avg Close — Range —
Q4 2013
Shares 10,000 Value ($000) $940 Avg Close — Range —
Q3 2013
Shares 10,075 Value ($000) $859 Avg Close — Range —
Q2 2013
Shares 10,000 Value ($000) $804 Avg Close — Range —