SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

ICON ADVISERS INC/CO's Holding History (CIK: 0001058470)

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

Q4 2013
Shares 5,000 Value ($000) $470 Avg Close — Range —
Q3 2013
Shares 5,000 Value ($000) $426 Avg Close — Range —
Q2 2013
Shares 10,000 Value ($000) $804 Avg Close — Range —