CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

NUANCE INVESTMENTS, LLC's Holding History (CIK: 0001473182)

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

Q4 2014

Shares 347,001 Value ($000) $16,673 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 861,885 Value ($000) $46,473 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 322,813 Value ($000) $20,741 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 534,840 Value ($000) $29,304 Avg Close $54.49 Range $44.95 - $60.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	347,001	$16,673	$48.74	$43.05 - $53.84
Q3 2014	861,885	$46,473	$58.81	$53.66 - $65.53
Q2 2014	322,813	$20,741	$59.46	$52.02 - $64.30
Q1 2014	534,840	$29,304	$54.49	$44.95 - $60.47