ARROWHEAD RESH CORP

CUSIP: 042797209 Class: COM

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

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

Q3 2014
Shares 1,247,495 Value ($000) $18,426 Avg Close — Range —
Q2 2014
Shares 422,406 Value ($000) $6,045 Avg Close — Range —
Q1 2014
Shares 317,300 Value ($000) $5,210 Avg Close — Range —