ORBITZ WORLDWIDE INC

CUSIP: 68557K109 Class: CMN

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2014
Shares 70,287 Value ($000) $578 Avg Close — Range —
Q3 2014
Shares 84,845 Value ($000) $668 Avg Close — Range —
Q3 2013
Shares 8,669 Value ($000) $83 Avg Close — Range —
Q2 2013
Shares 24,370 Value ($000) $196 Avg Close — Range —