CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

Lombard Odier Asset Management (Switzerland) SA's Holding History (CIK: 0001535660)

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

Q4 2014

Shares 55,450 Value ($000) $2,678 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 52,946 Value ($000) $2,869 Avg Close $58.81 Range $53.66 - $65.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	55,450	$2,678	$48.74	$43.05 - $53.84
Q3 2014	52,946	$2,869	$58.81	$53.66 - $65.53