USEC INC

CUSIP: 90333E207 Class: COMMON

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q1 2014
Shares 93,901 Value ($000) $377 Avg Close — Range —
Q4 2013
Shares 35,101 Value ($000) $232 Avg Close — Range —