USEC INC

CUSIP: 90333E108 Class: CMN

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q3 2013
Shares 38,333 Value ($000) $403 Avg Close — Range —
Q2 2013
Shares 842,638 Value ($000) $247 Avg Close — Range —