ImClone Systems Inc. announced Thursday that theunderwriters of its secondary stock offering, led by SmithBarney, Harris Upham & Co., have exercised their option topurchase an additional 139,300 shares (out of a possible225,000) in connection with the May 12 public offering of 1.5million shares of common stock at $7 per share. That offeringgrossed $10.5 million for the New York company.

The stock (NASDAQ:IMCL) closed unchanged Thursday at $7.25.

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