SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

CONGRESS ASSET MANAGEMENT CO /MA's Holding History (CIK: 0000897378)

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

Q1 2015
Shares 1,697 Value ($000) $235 Avg Close — Range —
Q4 2014
Shares 2,132 Value ($000) $293 Avg Close — Range —
Q3 2014
Shares 218,933 Value ($000) $29,777 Avg Close — Range —
Q2 2014
Shares 215,789 Value ($000) $21,898 Avg Close — Range —
Q1 2014
Shares 204,764 Value ($000) $19,121 Avg Close — Range —
Q4 2013
Shares 136,303 Value ($000) $12,814 Avg Close — Range —
Q3 2013
Shares 163,353 Value ($000) $13,934 Avg Close — Range —
Q2 2013
Shares 155,342 Value ($000) $12,493 Avg Close — Range —