SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

HALL LAURIE J TRUSTEE's Holding History (CIK: 0001388382)

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

Q3 2015
Shares 2,200 Value ($000) $306 Avg Close — Range —
Q2 2015
Shares 2,200 Value ($000) $307 Avg Close — Range —
Q1 2015
Shares 2,200 Value ($000) $304 Avg Close — Range —
Q4 2014
Shares 2,200 Value ($000) $302 Avg Close — Range —
Q3 2014
Shares 2,400 Value ($000) $326 Avg Close — Range —
Q2 2014
Shares 2,400 Value ($000) $244 Avg Close — Range —