U S AIRWAYS GROUP INC

CUSIP: 90341W108 Class: CMN

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2013
Shares 24,117 Value ($000) $457 Avg Close — Range —
Q2 2013
Shares 83,855 Value ($000) $1,377 Avg Close — Range —