SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

Washington Trust Bank's Holding History (CIK: 0000861787)

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

Q3 2015
Shares 300 Value ($000) $42 Avg Close — Range —
Q2 2015
Shares 300 Value ($000) $42 Avg Close — Range —
Q1 2015
Shares 300 Value ($000) $41 Avg Close — Range —
Q4 2014
Shares 300 Value ($000) $41 Avg Close — Range —
Q3 2014
Shares 300 Value ($000) $41 Avg Close — Range —
Q2 2014
Shares 300 Value ($000) $30 Avg Close — Range —
Q1 2014
Shares 300 Value ($000) $28 Avg Close — Range —