ARTHROCARE CORP

CUSIP: 043136100 Class: CMN

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2013
Shares 428,056 Value ($000) $17,225 Avg Close — Range —
Q3 2013
Shares 746,987 Value ($000) $26,578 Avg Close — Range —
Q2 2013
Shares 746,287 Value ($000) $25,769 Avg Close — Range —