USEC INC

CUSIP: 90333EAC2 Class: NOTE

SILVERBACK ASSET MANAGEMENT LLC's Holding History (CIK: 0001278960)

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

Q4 2013
Shares 48,028,000 Value ($000) $16,810 Avg Close — Range —
Q3 2013
Shares 48,028,000 Value ($000) $13,928 Avg Close — Range —
Q2 2013
Shares 48,028,000 Value ($000) $10,326 Avg Close — Range —