EXHIBIT 99.3 IMCLONE SYSTEMS INCORPORATED NON-QUALIFIED STOCK OPTION AGREEMENT AGREEMENT, entered into as of the 1st day of September, 1998, by and between ImClone Systems Incorporated, a Delaware corporation (the "Company"), and the undersigned who...Non-Qualified Stock Option Agreement • September 30th, 1998 • Imclone Systems Inc/De • Biological products, (no disgnostic substances) • New York
