HORIZON PHARMA INC

CUSIP: 44047T109 Class: COM

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q2 2014
Shares 200,000 Value ($000) $3,164 Avg Close — Range —
Q1 2014
Shares 457,760 Value ($000) $6,921 Avg Close — Range —
Q2 2013
Shares 384,693 Value ($000) $946 Avg Close — Range —