ARTHROCARE CORP

CUSIP: 043136100 Class: CMN

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q1 2014
Shares 81,621 Value ($000) $3,934 Avg Close — Range —
Q4 2013
Shares 108,291 Value ($000) $4,358 Avg Close — Range —
Q3 2013
Shares 64,571 Value ($000) $2,298 Avg Close — Range —
Q2 2013
Shares 96,041 Value ($000) $3,317 Avg Close — Range —