SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

TOCQUEVILLE ASSET MANAGEMENT L.P.'s Holding History (CIK: 0000883961)

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

Q3 2015
Shares 13,280 Value ($000) $1,845 Avg Close — Range —
Q2 2015
Shares 13,780 Value ($000) $1,920 Avg Close — Range —
Q1 2015
Shares 14,780 Value ($000) $2,043 Avg Close — Range —
Q4 2014
Shares 16,680 Value ($000) $2,290 Avg Close — Range —
Q3 2014
Shares 21,185 Value ($000) $2,881 Avg Close — Range —
Q2 2014
Shares 25,105 Value ($000) $2,548 Avg Close — Range —
Q1 2014
Shares 25,830 Value ($000) $2,412 Avg Close — Range —
Q4 2013
Shares 25,830 Value ($000) $2,428 Avg Close — Range —
Q3 2013
Shares 25,830 Value ($000) $2,203 Avg Close — Range —
Q2 2013
Shares 26,230 Value ($000) $2,109 Avg Close — Range —