PENTAIR LTD

CUSIP: H6169Q108 Class: PNR

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q1 2013
Shares 603 Value ($000) $32 Avg Close — Range —
Q4 2012
Shares 1,082 Value ($000) $53 Avg Close — Range —