SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

CONNING INC.'s Holding History (CIK: 0000801051)

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

Q3 2015
Shares 3,220 Value ($000) $447 Avg Close — Range —
Q2 2015
Shares 3,460 Value ($000) $482 Avg Close — Range —
Q1 2015
Shares 3,490 Value ($000) $482 Avg Close — Range —
Q4 2014
Shares 3,490 Value ($000) $479 Avg Close — Range —
Q3 2014
Shares 3,520 Value ($000) $479 Avg Close — Range —
Q2 2014
Shares 3,490 Value ($000) $354 Avg Close — Range —
Q1 2014
Shares 5,600 Value ($000) $523 Avg Close — Range —
Q4 2013
Shares 5,540 Value ($000) $521 Avg Close — Range —
Q3 2013
Shares 4,920 Value ($000) $420 Avg Close — Range —
Q2 2013
Shares 6,310 Value ($000) $507 Avg Close — Range —