MOMENTA PHARMACEUTICALS, INC. ANNOUNCES APPOINTMENT OF CRAIG A. WHEELER AS CHIEF EXECUTIVE OFFICER

Momenta Pharmaceuticals, Inc., a biotechnology company specializing in the characterization and engineering of complex drugs, announced that Craig A. Wheeler has been named as the new Chief Executive Officer of Momenta. Mr. Wheeler will assume his CEO duties beginning September 12, 2006. He has also been elected to the company's board of directors, effective August 22, 2006. Mr. Wheeler will succeed Alan Crane, who will remain active with the company as a member of the board of directors. BioSpace (http://www.biospace.com/news_story.aspx?StoryId=28026)