US ECOLOGY INC

CUSIP: 91732J102 Class: CMN

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q4 2015
Shares 12,200 Value ($000) $445 Avg Close — Range —
Q3 2015
Shares 13,875 Value ($000) $606 Avg Close — Range —
Q2 2015
Shares 10,750 Value ($000) $524 Avg Close — Range —
Q1 2015
Shares 10,750 Value ($000) $537 Avg Close — Range —
Q4 2014
Shares 16,420 Value ($000) $659 Avg Close — Range —
Q3 2014
Shares 10,600 Value ($000) $496 Avg Close — Range —