ARTHROCARE CORP

CUSIP: 04313610 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2013
Shares 20,364 Value ($000) $819 Avg Close — Range —
Q2 2013
Shares 5,633 Value ($000) $195 Avg Close — Range —