CAMBRIDGE, Mass., Jan. 23, 2007 (PRIME NEWSWIRE) (PRIMEZONE) -- Momenta Pharmaceuticals, Inc. (Nasdaq:MNTA), a biotechnology company specializing in the characterization and engineering of complex drugs, will report its financial results for the fourth quarter ended December 31, 2006 before the U.S. financial markets open on Tuesday, February 13, 2007.