CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

CENTRAL SECURITIES CORP's Holding History (CIK: 0000018748)

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

Q4 2014

Shares 150,000 Value ($000) $7,208 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 150,000 Value ($000) $8,088 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 150,000 Value ($000) $9,637 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 150,000 Value ($000) $8,219 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 150,000 Value ($000) $8,994 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 150,000 Value ($000) $8,799 Avg Close $55.80 Range $50.23 - $59.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	150,000	$7,208	$48.74	$43.05 - $53.84
Q3 2014	150,000	$8,088	$58.81	$53.66 - $65.53
Q2 2014	150,000	$9,637	$59.46	$52.02 - $64.30
Q1 2014	150,000	$8,219	$54.49	$44.95 - $60.47
Q4 2013	150,000	$8,994	$57.66	$51.77 - $64.12
Q3 2013	150,000	$8,799	$55.80	$50.23 - $59.80