MILPITAS, Calif. -- LSI Logic Corporation (NYSE: LSI - News) today announced that the waiting-period under the Hart-Scott- Rodino Antitrust Improvements Act of 1976 with respect to the proposed merger of LSI and Agere Systems Inc. (NYSE: AGR - News) has expired. On December 4, 2006, LSI and Agere announced a definitive merger agreement under which the companies will be combined in an all-stock transaction with an equity value of approximately $4.0 billion.

The transaction is subject to the approval of shareholders from both companies as well as customary closing conditions and other regulatory approvals.

The company will provide an update on integration planning progress and expected closing during its regularly scheduled earnings conference call and webcast on January 24, 2007 at 2 pm PST. For access information, please visit http://www.lsi.com/investors .

LSI Logic Corp. (NYSE: LSI)