SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

Chicago Capital Management, LLC's Holding History (CIK: 0001580162)

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

Q3 2015
Shares 118,800 Value ($000) $16,504 Avg Close — Range —
Q2 2015
Shares 110,000 Value ($000) $15,328 Avg Close — Range —
Q1 2015
Shares 103,300 Value ($000) $14,281 Avg Close — Range —