POSCO

Ticker: PKX CUSIP: 693483109 Class: ADR

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

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

Q2 2013
Shares 8 Value ($000) $1 Avg Close — Range —
Q1 2013
Shares 17 Value ($000) $1 Avg Close — Range —