SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

FAIRFIELD, BUSH & CO.'s Holding History (CIK: 0001116247)

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

Q3 2015
Shares 923 Value ($000) $128 Avg Close — Range —
Q2 2015
Shares 35,923 Value ($000) $5,006 Avg Close — Range —
Q1 2015
Shares 35,923 Value ($000) $4,966 Avg Close — Range —
Q4 2014
Shares 35,923 Value ($000) $4,931 Avg Close — Range —
Q3 2014
Shares 35,923 Value ($000) $4,886 Avg Close — Range —
Q2 2014
Shares 35,923 Value ($000) $3,645 Avg Close — Range —
Q1 2014
Shares 908 Value ($000) $85 Avg Close — Range —
Q4 2013
Shares 1,503 Value ($000) $141 Avg Close — Range —
Q3 2013
Shares 36,650 Value ($000) $3,126 Avg Close — Range —
Q2 2013
Shares 39,445 Value ($000) $3,172 Avg Close — Range —