ONYX PHARMACEUTICALS INC

CUSIP: 683399109 Class: COM

Clearbridge Investments, LLC's Holding History (CIK: 0001348883)

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

Q3 2013
Shares 133,298 Value ($000) $16,622 Avg Close — Range —
Q2 2013
Shares 544,352 Value ($000) $47,261 Avg Close — Range —