Stock Trading History of Tarnowski S Joseph

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 Tarnowski S Joseph since year 2005. The trader's CIK number is 1177081. At the time of this reporting, Tarnowski S Joseph is the SVP, Manufacturing, of Imclone Systems Inc/de (stock ticker symbol IMCL).

Stock purchases, sales, and option exercises reported by *Tarnowski S Joseph* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2006-05-15	IMCL	Imclone Systems Inc/de	Purchase	3,500	42.12	147,428
2006-04-24	IMCL	Imclone Systems Inc/de	Purchase	6,500	37.16	241,539
2006-03-02	IMCL	Imclone Systems Inc/de	Purchase	1,000	38.19	38,190
2006-01-17	IMCL	Imclone Systems Inc/de	Sale	1,000	35.00	35,000
2006-01-17	IMCL	Imclone Systems Inc/de	Option Exercise	1,000	4.22	4,220
2005-12-27	IMCL	Imclone Systems Inc/de	Sale	2,000	35.00	70,000
2005-12-27	IMCL	Imclone Systems Inc/de	Option Exercise	2,000	4.22	8,440

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 Tarnowski S Joseph (SVP, Manufacturing, of Imclone Systems Inc/de at the time of this reporting) see the Securities and Exchange Commission (SEC) website.