PARIS, April 11 /PRNewswire-FirstCall/ -- Today sanofi-aventis announced the filing of its Form 20-F and "Document de Reference" with the U.S. Securities and Exchange Commission (SEC) and the French market regulator Autorite des Marches Financiers (AMF).

These documents may be downloaded from our website http://www.sanofi-aventis.com/. In addition, the Form 20-F will be posted on the website of the SEC (http://www.sec.gov/) and the Document de Reference will be posted on the website of the AMF (http://www.amf-france.org/)

Reminder: Conference call on April 14, 2005 at 3:00 pm CET

Jean-Claude Leroy, CFO of sanofi-aventis, will comment on the impact of IFRS on sanofi-aventis during a conference call organized.

Date Thursday, April 14, 2005 Time 3:00 p.m. CET (Paris time) Dial-in Please dial one of the following numbers 10 minutes prior to the call: France +33 (0) 1 55 17 41 41 UK +44 (0) 20 7784 1017 USA +1 718 354 1158 Contact: Senior Vice President, Corporate Communications: Nicole Cranois Vice President, Media Relations: Jean-Marc Podvin Tel.: +33 1.53.77.42.23 Fax: +33 1.53.77.42.65 174, avenue de FRANCE 75013 Paris France http://www.sanofi-aventis.com/

CONTACT: Nicole Cranois, Senior Vice President, CorporateCommunications, or Jean-Marc Podvin, Vice President, Media Relations, Tel.:+33-1-53-77-42-23, or Fax: +33-1-53-77-42-65

Web site: http://www.sanofi-aventis.com/http://www.amf-france.org/

Company News On-Call: http://www.prnewswire.com/comp/232375.html