SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

L. Roy Papp & Associates, LLP's Holding History (CIK: 0000809339)

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

Q2 2015
Shares 3,387 Value ($000) $472 Avg Close — Range —
Q1 2015
Shares 3,425 Value ($000) $474 Avg Close — Range —
Q4 2014
Shares 10,375 Value ($000) $1,424 Avg Close — Range —
Q3 2014
Shares 11,475 Value ($000) $1,561 Avg Close — Range —
Q2 2014
Shares 11,475 Value ($000) $1,164 Avg Close — Range —
Q1 2014
Shares 11,875 Value ($000) $1,109 Avg Close — Range —
Q4 2013
Shares 11,875 Value ($000) $1,116 Avg Close — Range —
Q3 2013
Shares 11,875 Value ($000) $1,013 Avg Close — Range —
Q2 2013
Shares 12,083 Value ($000) $972 Avg Close — Range —