AUXILIUM PHARMACEUTICALS INC

CUSIP: 05334D107 Class: COMMON STOCK

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q4 2014
Shares 6,267,382 Value ($000) $215,504 Avg Close — Range —
Q3 2014
Shares 6,267,382 Value ($000) $187,081 Avg Close — Range —
Q2 2014
Shares 6,267,382 Value ($000) $125,724 Avg Close — Range —
Q1 2014
Shares 2,566,705 Value ($000) $69,763 Avg Close — Range —
Q4 2013
Shares 4,113,385 Value ($000) $85,270 Avg Close — Range —
Q3 2013
Shares 2,488,328 Value ($000) $45,288 Avg Close — Range —
Q2 2013
Shares 4,850,644 Value ($000) $80,671 Avg Close — Range —