SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q3 2015
Shares 217,555 Value ($000) $30,223 Avg Close — Range —
Q2 2015
Shares 217,655 Value ($000) $30,330 Avg Close — Range —
Q1 2015
Shares 449,422 Value ($000) $62,133 Avg Close — Range —
Q4 2014
Shares 496,330 Value ($000) $68,131 Avg Close — Range —
Q3 2014
Shares 541,913 Value ($000) $73,706 Avg Close — Range —
Q2 2014
Shares 688,112 Value ($000) $69,830 Avg Close — Range —
Q1 2014
Shares 730,584 Value ($000) $68,222 Avg Close — Range —
Q4 2013
Shares 736,512 Value ($000) $69,239 Avg Close — Range —
Q3 2013
Shares 740,427 Value ($000) $63,158 Avg Close — Range —
Q2 2013
Shares 754,287 Value ($000) $60,615 Avg Close — Range —