ONYX PHARMACEUTICALS INC

CUSIP: 683399109 Class: COM

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q3 2013
Shares 3,819 Value ($000) $476 Avg Close — Range —
Q2 2013
Shares 53,406 Value ($000) $4,637 Avg Close — Range —
Q1 2013
Shares 40,000 Value ($000) $3,554 Avg Close — Range —
Q4 2012
Shares 25,000 Value ($000) $1,888 Avg Close — Range —
Q3 2012
Shares 25,000 Value ($000) $2,113 Avg Close — Range —
Q2 2012
Shares 35,000 Value ($000) $2,326 Avg Close — Range —
Q1 2012
Shares 52,000 Value ($000) $1,959 Avg Close — Range —
Q4 2011
Shares 40,000 Value ($000) $1,758 Avg Close — Range —