SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q3 2015
Shares 6,467 Value ($000) $898 Avg Close — Range —
Q1 2015
Shares 4,057 Value ($000) $561 Avg Close — Range —
Q4 2014
Shares 1,469,606 Value ($000) $201,733 Avg Close — Range —
Q2 2014
Shares 20,746 Value ($000) $2,105 Avg Close — Range —
Q1 2014
Shares 287,617 Value ($000) $26,858 Avg Close — Range —
Q4 2013
Shares 534,986 Value ($000) $50,294 Avg Close — Range —