ARTHROCARE CORP

CUSIP: 043136100 Class: CMN

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

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

Q4 2013
Shares 470,000 Value ($000) $18,913 Avg Close — Range —
Q3 2013
Shares 444,000 Value ($000) $15,798 Avg Close — Range —
Q2 2013
Shares 247,500 Value ($000) $8,546 Avg Close — Range —