AVANT CEO To Present at the UBS 2008 Global Life Sciences Conference September 23

AVANT Immunotherapeutics, Inc. (Nasdaq: AVAN) today announced that Anthony S. Marucci, Interim President and Chief Executive Officer of AVANT Immunotherapeutics, Inc., will present at the UBS 2008 Global Life Sciences Conference at the Grand Hyatt New York on Tuesday, September 23, at 2:30 pm, EDT.

A live only audio webcast of the 30-minute presentation will be available in the Investor Information area of AVANT’s website at http://avantimmune.com. The audio only webcast will also be available online at the UBS Investment Bank website. Go to www.ibb.ubs.com. Find the "Conferences" icon in the center right of the page, click on icon, and follow the link for Webcast next to the "Global Life Sciences" Conference heading. An archive of the webcast will be available three hours following the event for approximately one month.

About AVANT Immunotherapeutics, Inc.

AVANT Immunotherapeutics is an integrated biopharmaceutical company that applies its comprehensive Precision Targeted Immunotherapy Platform to generate a pipeline of candidates to treat cancer and other difficult-to-treat diseases. AVANT’s immunotherapy platform includes a complementary portfolio of monoclonal antibodies, antibody-targeted vaccines and immunomodulators to create novel disease-specific drug candidates. For more information, please visit http://www.avantimmune.com.