U S AIRWAYS GROUP INC

CUSIP: 90341W108 Class: CMN

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q3 2013
Shares 474,593 Value ($000) $8,998 Avg Close — Range —
Q2 2013
Shares 483,593 Value ($000) $7,941 Avg Close — Range —