Stock Trading History of Ramanathan Erik

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 Ramanathan Erik since year 2005. The trader's CIK number is 1255855. At the time of this reporting, Ramanathan Erik is the Senior Vice President, Legal of Imclone Systems Inc/de (stock ticker symbol IMCL).

Stock purchases, sales, and option exercises reported by *Ramanathan Erik* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2006-10-13	IMCL	Imclone Systems Inc/de	Sale	9,996	30.90	308,876
2006-10-13	IMCL	Imclone Systems Inc/de	Option Exercise	9,996	6.94	69,372
2006-10-10	IMCL	Imclone Systems Inc/de	Sale	5,004	30.92	154,734
2006-10-10	IMCL	Imclone Systems Inc/de	Option Exercise	5,004	6.94	34,727
2006-08-28	IMCL	Imclone Systems Inc/de	Sale	5,000	30.19	150,948
2006-08-28	IMCL	Imclone Systems Inc/de	Option Exercise	5,000	6.94	34,700
2006-06-21	IMCL	Imclone Systems Inc/de	Sale	1,250	40.00	50,000
2006-06-21	IMCL	Imclone Systems Inc/de	Option Exercise	1,250	10.60	13,250

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 Ramanathan Erik (Senior Vice President, Legal of Imclone Systems Inc/de at the time of this reporting) see the Securities and Exchange Commission (SEC) website.