SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q3 2015
Shares 1,519 Value ($000) $211 Avg Close — Range —
Q2 2015
Shares 1,491 Value ($000) $208 Avg Close — Range —
Q1 2015
Shares 2,040 Value ($000) $282 Avg Close — Range —
Q4 2014
Shares 3,019 Value ($000) $414 Avg Close — Range —
Q3 2014
Shares 3,501 Value ($000) $476 Avg Close — Range —
Q2 2014
Shares 3,574 Value ($000) $363 Avg Close — Range —
Q1 2014
Shares 3,246 Value ($000) $303 Avg Close — Range —
Q4 2013
Shares 3,066 Value ($000) $288 Avg Close — Range —
Q3 2013
Shares 2,820 Value ($000) $241 Avg Close — Range —
Q2 2013
Shares 2,724 Value ($000) $219 Avg Close — Range —