US ECOLOGY INC

CUSIP: 91732J102 Class: CMN

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2014
Shares 178,672 Value ($000) $7,167 Avg Close — Range —
Q3 2014
Shares 176,964 Value ($000) $8,275 Avg Close — Range —
Q2 2014
Shares 170,054 Value ($000) $8,324 Avg Close — Range —
Q1 2014
Shares 480,500 Value ($000) $17,836 Avg Close — Range —
Q4 2013
Shares 448,880 Value ($000) $16,655 Avg Close — Range —
Q3 2013
Shares 597,787 Value ($000) $18,011 Avg Close — Range —
Q2 2013
Shares 601,546 Value ($000) $16,506 Avg Close — Range —