U S CONCRETE INC

CUSIP: 90333L201 Class: COMMON STOCK

WHITEBOX ADVISORS LLC's Holding History (CIK: 0001257391)

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

Q1 2014
Shares 28,332 Value ($000) $666 Avg Close — Range —
Q4 2013
Shares 27,582 Value ($000) $624 Avg Close — Range —