SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

Advisors Asset Management, Inc.'s Holding History (CIK: 0001297376)

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

Q3 2015
Shares 600 Value ($000) $83 Avg Close — Range —
Q2 2015
Shares 600 Value ($000) $84 Avg Close — Range —
Q1 2015
Shares 600 Value ($000) $83 Avg Close — Range —
Q4 2014
Shares 600 Value ($000) $82 Avg Close — Range —
Q3 2014
Shares 600 Value ($000) $82 Avg Close — Range —
Q2 2014
Shares 1,877 Value ($000) $190 Avg Close — Range —
Q1 2014
Shares 2,037 Value ($000) $190 Avg Close — Range —
Q4 2013
Shares 2,066 Value ($000) $194 Avg Close — Range —
Q3 2013
Shares 2,108 Value ($000) $180 Avg Close — Range —
Q2 2013
Shares 2,197 Value ($000) $177 Avg Close — Range —