US ECOLOGY INC

CUSIP: 91732J102 Class: CMN

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q1 2019
Shares 11,132 Value ($000) $623 Avg Close — Range —
Q4 2018
Shares 14,516 Value ($000) $915 Avg Close — Range —
Q3 2018
Shares 14,516 Value ($000) $1,071 Avg Close — Range —