CAMBRIDGE, Mass., May 16, 2007 (PRIME NEWSWIRE) -- Momenta Pharmaceuticals, Inc. (Nasdaq:MNTA), a biotechnology company specializing in the characterization and engineering of complex drugs, today announced that it will hold its Annual Meeting of Stockholders on June 13, 2007 at 8:30 am EDT at the offices of Wilmer Cutler Pickering Hale and Dorr LLP, 60 State Street, Boston, MA. Stockholders of record at the close of business on April 19, 2007 are entitled to vote at the Annual Meeting. Momenta has mailed a notice of the Annual Meeting and related proxy materials to stockholders of record on or about May 16, 2007.