USEC INC

CUSIP: 90333E108 Class: CMN

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q3 2011
Shares 97,000 Value ($000) $156 Avg Close — Range —
Q2 2011
Shares 97,000 Value ($000) $324 Avg Close — Range —
Q1 2011
Shares 97,000 Value ($000) $427 Avg Close — Range —
Q4 2010
Shares 119,000 Value ($000) $716 Avg Close — Range —