CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

TCW GROUP INC's Holding History (CIK: 0000850401)

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

Q4 2013

Shares 12,037 Value ($000) $722 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 12,037 Value ($000) $706 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 6,633 Value ($000) $335 Avg Close $55.73 Range $50.37 - $61.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	12,037	$722	$57.66	$51.77 - $64.12
Q3 2013	12,037	$706	$55.80	$50.23 - $59.80
Q2 2013	6,633	$335	$55.73	$50.37 - $61.28