Oncor Inc. announced late Thursday that it has filed aregistration statement with the Securities and ExchangeCommission for a proposed public offering of 3 million sharesof common stock.

The underwriters of the offering, Smith Barney Shearson Inc.and Dillon, Read & Co. Inc., have an overallotment option topurchase up to 450,000 additional shares of Oncor stock(NASDAQ:ONCR). As of Sept. 30, the company had about of 15.7million shares outstanding.

Oncor's last offering was in January 1992, when it raised $31.5million through the sale of 3 million shares of common stock at$10.50 per share.

The Gaithersburg, Md., company markets probes for thedetection of cancer and genetic diseases. Its Her-2/neu DNAprobe for direct detection of gene amplification in breast cancercells entered clinicals in August 1992.

Oncor's stock was unchanged on Thursday, closing at $10.25per share. -- Brenda Sandburg

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