Stock Trading History of Pucillo Anthony

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Pucillo Anthony since year 2005. The trader's CIK number is 1295065. At the time of this reporting, Pucillo Anthony is the Executive Vice President of Clean Harbors Inc (stock ticker symbol CLHB).

Stock purchases, sales, and option exercises reported by *Pucillo Anthony* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-03-30	CLHB	Clean Harbors Inc	Option Exercise	10,000	10.78	107,800
2007-03-30	CLHB	Clean Harbors Inc	Sale	10,000	45.14	451,400
2007-03-30	CLHB	Clean Harbors Inc	Sale	1,184	45.16	53,463
2006-12-07	CLHB	Clean Harbors Inc	Sale	4,000	44.87	179,480
2006-12-07	CLHB	Clean Harbors Inc	Option Exercise	4,000	10.78	43,120
2006-05-24	CLHB	Clean Harbors Inc	Sale	8,000	36.95	295,600
2006-05-24	CLHB	Clean Harbors Inc	Option Exercise	8,000	10.78	86,240

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Pucillo Anthony (Executive Vice President of Clean Harbors Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.