U S AIRWAYS GROUP INC

CUSIP: 90341W108 Class: CMN

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q3 2013
Shares 41,206 Value ($000) $781 Avg Close — Range —
Q2 2013
Shares 273 Value ($000) $4 Avg Close — Range —