OM GROUP INC

CUSIP: 670872100 Class: COM

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

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

Q3 2015
Shares 113,584 Value ($000) $3,736 Avg Close — Range —
Q2 2015
Shares 122,084 Value ($000) $4,102 Avg Close — Range —
Q1 2015
Shares 63,539 Value ($000) $1,792 Avg Close — Range —
Q4 2014
Shares 63,539 Value ($000) $1,792 Avg Close — Range —
Q3 2014
Shares 43,739 Value ($000) $1,135 Avg Close — Range —
Q2 2014
Shares 13,829 Value ($000) $448 Avg Close — Range —
Q4 2013
Shares 284 Value ($000) $10 Avg Close — Range —
Q3 2013
Shares 78,003 Value ($000) $2,635 Avg Close — Range —
Q2 2013
Shares 87,303 Value ($000) $2,699 Avg Close — Range —