U S G CORP

CUSIP: 903293405 Class: COM NEW

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q3 2013
Shares 31,100 Value ($000) $889 Avg Close — Range —
Q2 2013
Shares 26,100 Value ($000) $602 Avg Close — Range —