SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q3 2015
Shares 218,666 Value ($000) $30,377 Avg Close — Range —
Q2 2015
Shares 221,011 Value ($000) $30,798 Avg Close — Range —
Q1 2015
Shares 221,122 Value ($000) $30,570 Avg Close — Range —
Q4 2014
Shares 225,366 Value ($000) $30,936 Avg Close — Range —
Q3 2014
Shares 228,602 Value ($000) $31,092 Avg Close — Range —
Q2 2014
Shares 268,125 Value ($000) $27,209 Avg Close — Range —
Q1 2014
Shares 252,536 Value ($000) $23,582 Avg Close — Range —
Q4 2013
Shares 254,604 Value ($000) $23,935 Avg Close — Range —
Q3 2013
Shares 225,854 Value ($000) $19,265 Avg Close — Range —
Q2 2013
Shares 233,073 Value ($000) $18,730 Avg Close — Range —