USEC INC

CUSIP: 90333E207 Class: COMMON

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

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

Q2 2014
Shares 2,037 Value ($000) $6 Avg Close — Range —
Q1 2014
Shares 14,781 Value ($000) $59 Avg Close — Range —
Q4 2013
Shares 7,800 Value ($000) $52 Avg Close — Range —
Q3 2013
Shares 1,558 Value ($000) $16 Avg Close — Range —