HORIZON PHARMA FINANCING

CUSIP: 44052RAA3 Class: CORP

ADVENT CAPITAL MANAGEMENT /DE/'s Holding History (CIK: 0001097278)

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

Q1 2016
Shares 3,750,000 Value ($000) $3,328 Avg Close — Range —
Q4 2015
Shares 3,750,000 Value ($000) $3,347 Avg Close — Range —