SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

KLCM Advisors, Inc.'s Holding History (CIK: 0001166620)

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

Q3 2015
Shares 2,000 Value ($000) $278 Avg Close — Range —
Q2 2015
Shares 2,000 Value ($000) $279 Avg Close — Range —
Q1 2015
Shares 2,000 Value ($000) $276 Avg Close — Range —
Q4 2014
Shares 2,000 Value ($000) $275 Avg Close — Range —
Q3 2014
Shares 1,800 Value ($000) $245 Avg Close — Range —