US ECOLOGY INC

CUSIP: 91732J102 Class: CMN

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q3 2019
Shares 575,133 Value ($000) $36,774 Avg Close — Range —
Q2 2019
Shares 607,911 Value ($000) $36,195 Avg Close — Range —
Q1 2019
Shares 623,079 Value ($000) $34,880 Avg Close — Range —
Q4 2018
Shares 621,716 Value ($000) $39,156 Avg Close — Range —
Q3 2018
Shares 606,573 Value ($000) $44,735 Avg Close — Range —
Q2 2018
Shares 549,104 Value ($000) $34,978 Avg Close — Range —
Q1 2018
Shares 509,471 Value ($000) $27,155 Avg Close — Range —
Q4 2017
Shares 544,694 Value ($000) $27,779 Avg Close — Range —
Q3 2017
Shares 542,090 Value ($000) $29,164 Avg Close — Range —
Q2 2017
Shares 517,679 Value ($000) $26,143 Avg Close — Range —
Q1 2017
Shares 491,290 Value ($000) $23,017 Avg Close — Range —
Q4 2016
Shares 451,660 Value ($000) $22,199 Avg Close — Range —
Q3 2016
Shares 458,320 Value ($000) $20,551 Avg Close — Range —
Q2 2016
Shares 418,140 Value ($000) $19,214 Avg Close — Range —
Q1 2016
Shares 403,640 Value ($000) $17,825 Avg Close — Range —
Q4 2015
Shares 405,760 Value ($000) $14,786 Avg Close — Range —
Q3 2015
Shares 820,720 Value ($000) $35,824 Avg Close — Range —
Q2 2015
Shares 1,447,580 Value ($000) $70,526 Avg Close — Range —
Q1 2015
Shares 1,899,996 Value ($000) $94,943 Avg Close — Range —
Q4 2014
Shares 2,453,796 Value ($000) $98,446 Avg Close — Range —
Q3 2014
Shares 2,636,962 Value ($000) $123,304 Avg Close — Range —
Q2 2014
Shares 2,245,197 Value ($000) $109,902 Avg Close — Range —
Q1 2014
Shares 1,546,940 Value ($000) $57,422 Avg Close — Range —
Q4 2013
Shares 1,283,940 Value ($000) $47,750 Avg Close — Range —
Q3 2013
Shares 1,283,040 Value ($000) $38,658 Avg Close — Range —
Q2 2013
Shares 1,281,640 Value ($000) $35,168 Avg Close — Range —