SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

FIRST TRUST ADVISORS LP's Holding History (CIK: 0001125816)

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

Q3 2015
Shares 21,993 Value ($000) $3,055 Avg Close — Range —
Q2 2015
Shares 65,826 Value ($000) $9,173 Avg Close — Range —
Q1 2015
Shares 100,517 Value ($000) $13,896 Avg Close — Range —
Q4 2014
Shares 155,629 Value ($000) $21,363 Avg Close — Range —
Q3 2014
Shares 130,913 Value ($000) $17,805 Avg Close — Range —
Q2 2014
Shares 173,833 Value ($000) $17,641 Avg Close — Range —
Q1 2014
Shares 128,648 Value ($000) $12,013 Avg Close — Range —
Q4 2013
Shares 100,692 Value ($000) $9,466 Avg Close — Range —
Q3 2013
Shares 108,678 Value ($000) $9,270 Avg Close — Range —
Q2 2013
Shares 48,287 Value ($000) $3,883 Avg Close — Range —