US ECOLOGY INC

CUSIP: 91734M103 Class: COMMON STOCK

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q3 2020
Shares 6,305 Value ($000) $207 Avg Close — Range —
Q2 2020
Shares 67,408 Value ($000) $2,285 Avg Close — Range —
Q1 2020
Shares 67,408 Value ($000) $2,050 Avg Close — Range —
Q4 2019
Shares 102,908 Value ($000) $5,961 Avg Close — Range —