SIGMA ALDRICH CORP

CUSIP: 826552101 Class: COM

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q3 2015
Shares 321,972 Value ($000) $44,728 Avg Close — Range —
Q2 2015
Shares 331,072 Value ($000) $46,135 Avg Close — Range —
Q1 2015
Shares 317,272 Value ($000) $43,600 Avg Close — Range —
Q4 2014
Shares 317,272 Value ($000) $43,600 Avg Close — Range —
Q3 2014
Shares 304,072 Value ($000) $41,357 Avg Close — Range —
Q2 2014
Shares 311,872 Value ($000) $31,649 Avg Close — Range —
Q1 2014
Shares 303,672 Value ($000) $28,441 Avg Close — Range —
Q4 2013
Shares 312,051 Value ($000) $28,762 Avg Close — Range —
Q3 2013
Shares 295,471 Value ($000) $25,204 Avg Close — Range —
Q2 2013
Shares 291,639 Value ($000) $23,436 Avg Close — Range —