US ECOLOGY INC

CUSIP: 91732J102 Class: CMN

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q3 2014
Shares 71,287 Value ($000) $3,333 Avg Close — Range —
Q2 2014
Shares 74,919 Value ($000) $3,667 Avg Close — Range —
Q4 2013
Shares 15,414 Value ($000) $572 Avg Close — Range —