CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

River Road Asset Management, LLC's Holding History (CIK: 0001341401)

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

Q4 2015

Shares 393,813 Value ($000) $16,402 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 511,861 Value ($000) $22,507 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 517,955 Value ($000) $27,835 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 520,355 Value ($000) $29,546 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 397,291 Value ($000) $19,090 Avg Close $48.74 Range $43.05 - $53.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	393,813	$16,402	$43.45	$39.89 - $48.05
Q3 2015	511,861	$22,507	$49.63	$43.00 - $54.31
Q2 2015	517,955	$27,835	$55.82	$50.65 - $59.29
Q1 2015	520,355	$29,546	$51.78	$44.70 - $58.44
Q4 2014	397,291	$19,090	$48.74	$43.05 - $53.84