SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

CULLEN/FROST BANKERS, INC.'s Holding History (CIK: 0000039263)

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

Q3 2015
Shares 3,200 Value ($000) $445 Avg Close — Range —
Q2 2015
Shares 7,000 Value ($000) $976 Avg Close — Range —
Q1 2015
Shares 7,000 Value ($000) $967 Avg Close — Range —
Q4 2014
Shares 7,000 Value ($000) $961 Avg Close — Range —
Q3 2014
Shares 3,200 Value ($000) $435 Avg Close — Range —
Q2 2014
Shares 3,200 Value ($000) $325 Avg Close — Range —
Q1 2014
Shares 3,230 Value ($000) $302 Avg Close — Range —
Q4 2013
Shares 3,200 Value ($000) $301 Avg Close — Range —
Q3 2013
Shares 3,200 Value ($000) $273 Avg Close — Range —
Q2 2013
Shares 3,200 Value ($000) $257 Avg Close — Range —