ONYX PHARMACEUTICALS INC

CUSIP: 683399109 Class: COM

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

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

Q3 2013
Shares 164,501 Value ($000) $20,508 Avg Close — Range —
Q2 2013
Shares 162,773 Value ($000) $14,132 Avg Close — Range —