ARROWHEAD RESH CORP

CUSIP: 042797209 Class: COM

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

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

Q1 2014
Shares 7,500 Value ($000) $123 Avg Close — Range —
Q4 2013
Shares 5,000 Value ($000) $54 Avg Close — Range —