ONYX PHARMACEUTICALS INC

CUSIP: 683399AB5 Class: CNV

TENOR CAPITAL MANAGEMENT Co., L.P.'s Holding History (CIK: 0001346554)

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

Q3 2013
Shares 40,380,000 Value ($000) $129,999 Avg Close — Range —
Q2 2013
Shares 51,697,000 Value ($000) $118,859 Avg Close — Range —