SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q3 2015
Shares 5,591 Value ($000) $776 Avg Close — Range —
Q2 2015
Shares 5,591 Value ($000) $778 Avg Close — Range —
Q1 2015
Shares 5,591 Value ($000) $773 Avg Close — Range —
Q4 2014
Shares 5,591 Value ($000) $767 Avg Close — Range —
Q3 2014
Shares 7,029 Value ($000) $956 Avg Close — Range —
Q2 2014
Shares 7,361 Value ($000) $747 Avg Close — Range —
Q1 2014
Shares 7,361 Value ($000) $687 Avg Close — Range —
Q4 2013
Shares 6,805 Value ($000) $639 Avg Close — Range —
Q3 2013
Shares 7,167 Value ($000) $611 Avg Close — Range —
Q2 2013
Shares 7,182 Value ($000) $576 Avg Close — Range —