SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q3 2014
Shares 69,500 Value ($000) $9,453 Avg Close — Range —
Q2 2014
Shares 42,800 Value ($000) $4,343 Avg Close — Range —
Q1 2014
Shares 42,800 Value ($000) $3,997 Avg Close — Range —
Q4 2013
Shares 42,800 Value ($000) $4,024 Avg Close — Range —