NEW YORK--(BUSINESS WIRE)--Feb. 23, 2006--ImClone Systems Incorporated (NASDAQ: IMCL) today issued the following statement regarding the announcement that Merck KGaA, Darmstadt, Germany, has received a positive opinion from the Committee for Medicinal Products for Human Use (CHMP), the scientific committee of the EMEA (European Medicines Agency), for its application to extend the use of ERBITUX(R) (Cetuximab), an IgG1 monoclonal antibody, to the treatment of squamous cell carcinoma of the head and neck (SCCHN):