3M Extends Offering Period for Shares of Cogent, Inc.

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

The expiration date of the subsequent offering period has been extended to 5:00 PM, New York City time, on October 26, 2010. As of 12:00 midnight, New York City time, on October 22, 2010, approximately 16.7 million shares were tendered in the subsequent offering period and Ventura Acquisition Corporation has accepted for payment all tendered shares.

Ventura Acquisition Corporation now owns approximately 63.1 million Cogent shares, representing approximately 70.1 percent of Cogent's outstanding shares.