SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

FIRST NATIONAL BANK OF OMAHA's Holding History (CIK: 0000036644)

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

Q3 2015
Shares 2,200 Value ($000) $306 Avg Close — Range —
Q2 2015
Shares 2,249 Value ($000) $312 Avg Close — Range —
Q1 2015
Shares 2,249 Value ($000) $312 Avg Close — Range —
Q4 2014
Shares 2,986 Value ($000) $410 Avg Close — Range —
Q3 2014
Shares 4,490 Value ($000) $611 Avg Close — Range —
Q2 2014
Shares 33,651 Value ($000) $3,415 Avg Close — Range —
Q1 2014
Shares 3,055 Value ($000) $285 Avg Close — Range —
Q4 2013
Shares 3,255 Value ($000) $306 Avg Close — Range —
Q3 2013
Shares 3,755 Value ($000) $320 Avg Close — Range —
Q2 2013
Shares 4,029 Value ($000) $324 Avg Close — Range —