CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

Parametrica Management Ltd's Holding History (CIK: 0001535110)

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

Q1 2019

Shares 4,115 Value ($000) $294 Avg Close $61.79 Range $48.13 - $72.26

Q3 2018

Shares 3,332 Value ($000) $239 Avg Close $63.60 Range $54.90 - $72.50

Q1 2018

Shares 5,791 Value ($000) $283 Avg Close $52.41 Range $46.62 - $57.97

Q3 2017

Shares 5,735 Value ($000) $325 Avg Close $54.44 Range $49.63 - $58.28

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	4,115	$294	$61.79	$48.13 - $72.26
Q3 2018	3,332	$239	$63.60	$54.90 - $72.50
Q1 2018	5,791	$283	$52.41	$46.62 - $57.97
Q3 2017	5,735	$325	$54.44	$49.63 - $58.28