3M Completes Tender Offer for Cogent, Inc. and Commences Subsequent Offering Period

3M (NYSE: MMM) today announced that its direct wholly-owned subsidiary, Ventura Acquisition Corporation, has completed its cash tender offer for Cogent, Inc. (NASDAQ: COGT).

The tender offer for all of the outstanding shares of Cogent expired at 12:00 midnight, New York City time, on October 7, 2010. As of that time, the depositary for the offer advised that approximately 46.4 million shares, representing approximately 52 percent of Cogent's outstanding shares calculated on a fully diluted basis, were validly tendered and not withdrawn in the offer. Ventura Acquisition Corporation has accepted for payment all validly tendered shares.

Ventura Acquisition Corporation will provide a subsequent offering period, which will expire at 12:00 midnight, New York City time, on October 22, 2010, unless the subsequent offering period is further extended. During this subsequent offering period, Cogent stockholders who did not previously tender their shares of common stock in the offer may do so and will promptly receive the same $10.50 per share as was paid during the initial offering period.