HORIZON PHARMA INC

CUSIP: 44047T109 Class: COM

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

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

Q2 2014
Shares 612,787 Value ($000) $9,694 Avg Close — Range —
Q1 2014
Shares 1,310,930 Value ($000) $19,821 Avg Close — Range —
Q4 2013
Shares 4,638,888 Value ($000) $35,348 Avg Close — Range —