SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

NBT BANK N A /NY's Holding History (CIK: 0000898413)

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

Q3 2015
Shares 2,215 Value ($000) $308 Avg Close — Range —
Q2 2015
Shares 2,222 Value ($000) $310 Avg Close — Range —
Q1 2015
Shares 2,276 Value ($000) $315 Avg Close — Range —
Q4 2014
Shares 2,276 Value ($000) $312 Avg Close — Range —
Q3 2014
Shares 10,600 Value ($000) $1,442 Avg Close — Range —
Q2 2014
Shares 10,868 Value ($000) $1,103 Avg Close — Range —
Q1 2014
Shares 11,271 Value ($000) $1,053 Avg Close — Range —
Q4 2013
Shares 11,621 Value ($000) $1,093 Avg Close — Range —
Q3 2013
Shares 11,771 Value ($000) $1,004 Avg Close — Range —
Q2 2013
Shares 11,771 Value ($000) $947 Avg Close — Range —