SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q3 2015
Shares 444,699 Value ($000) $61,778 Avg Close — Range —
Q2 2015
Shares 270,503 Value ($000) $37,695 Avg Close — Range —
Q1 2015
Shares 149,505 Value ($000) $20,669 Avg Close — Range —
Q4 2014
Shares 52,472 Value ($000) $7,203 Avg Close — Range —