SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

Laurion Capital Management LP's Holding History (CIK: 0001390202)

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

Q4 2014
Shares 6,600 Value ($000) $906 Avg Close — Range —
Q3 2014
Shares 15,000 Value ($000) $2,040 Avg Close — Range —
Q3 2013
Shares 2,600 Value ($000) $222 Avg Close — Range —