SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

Dynamic Technology Lab Private Ltd's Holding History (CIK: 0001535387)

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

Q4 2014
Shares 1,571 Value ($000) $216 Avg Close — Range —
Q3 2013
Shares 3,767 Value ($000) $321 Avg Close — Range —
Q2 2013
Shares 3,746 Value ($000) $301 Avg Close — Range —