HORIZON PHARMA INC

CUSIP: 44047TAB5 Class: NOTE 5.000%11/1

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

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

Q1 2015
Shares 16,014,461 Value ($000) $78,189 Avg Close — Range —
Q4 2014
Shares 31,760,461 Value ($000) $82,435 Avg Close — Range —