NEW YORK--(BUSINESS WIRE)--ImClone Systems Incorporated (NASDAQ:IMCL) today announced that the Company will host a conference call with the financial community to discuss 2007 first-quarter results on Thursday, April 26, 2007 at 11:00 AM Eastern Time. ImClone Systems will not conduct the previously announced meeting with financial analysts at the American Association for Cancer Research’s Annual Meeting on Tuesday, April 17, 2007 in order to preserve the integrity of the data for additional scientific dissemination.