SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q3 2015
Shares 26,569 Value ($000) $3,691 Avg Close — Range —
Q2 2015
Shares 26,724 Value ($000) $3,724 Avg Close — Range —
Q1 2015
Shares 27,896 Value ($000) $3,857 Avg Close — Range —
Q4 2014
Shares 28,061 Value ($000) $3,852 Avg Close — Range —
Q3 2014
Shares 28,126 Value ($000) $3,825 Avg Close — Range —
Q2 2014
Shares 149,743 Value ($000) $15,196 Avg Close — Range —
Q1 2014
Shares 151,929 Value ($000) $14,187 Avg Close — Range —
Q4 2013
Shares 152,702 Value ($000) $14,356 Avg Close — Range —
Q3 2013
Shares 155,220 Value ($000) $13,240 Avg Close — Range —
Q2 2013
Shares 157,964 Value ($000) $12,694 Avg Close — Range —