HORIZON PHARMA INC

CUSIP: 44047T109 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q2 2014
Shares 890,000 Value ($000) $14,080 Avg Close — Range —
Q1 2014
Shares 902,400 Value ($000) $13,644 Avg Close — Range —
Q4 2013
Shares 26,000 Value ($000) $198 Avg Close — Range —