Momenta Pharmaceuticals Announces Proposed Public Offering of Common Stock

Momenta Pharmaceuticals, Inc. (Nasdaq:MNTA), a biotechnology company specializing in the characterization and engineering of complex drugs, today announced that it is commencing an underwritten registered public offering of 7,250,000 shares of its common stock. Momenta expects to grant the underwriters of the offering an option to purchase up to an additional 1,087,500 shares of its common stock, exercisable for 30 days. All of the shares in the proposed offering are to be sold by Momenta.

Goldman, Sachs & Co. and J.P. Morgan are acting as joint book-running managers for the offering. Stifel is acting as lead manager.  

The offering is being made pursuant to an effective shelf registration statement on Form S-3 that was initially filed with the U.S. Securities and Exchange Commission (SEC) on April 30, 2013. A preliminary prospectus supplement describing the terms of the offering will be filed with the SEC and will form a part of the effective registration statement. Copies of the preliminary prospectus supplement and accompanying prospectus relating to the offering may be obtained, when available, by contacting Goldman, Sachs & Co., Attention: Prospectus Department, 200 West Street, New York, New York 10282, or by telephone at [phone] or e-mail at [e-mail] or J.P. Morgan Securities LLC, Attention: Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717, Phone: [phone] or e-mail at [e-mail].

This press release shall not constitute an offer to sell, or the solicitation of an offer to buy, nor shall there be any sale of shares of these securities in any state or jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.