Allegro MicroSystems Files Registration Statement for IPO

Allegro MicroSystems, Inc. announced that it has filed a registration statement with the Securities and Exchange Commission for an initial public offering of its common stock. It is expected that a portion of the shares will be issued and sold by Allegro and a portion will be sold by its parent, Sanken Electric Co., Ltd..

The joint book-running managers of the offering will be Lehman Brothers Inc. and Daiwa Securities America Inc. The offering will be made only by means of a prospectus. A written preliminary prospectus related to the offering may be obtained when available from the prospectus department of Lehman Brothers.