For general inquiries, please call the switchboard at the U.S. headquarters: +1 908 981 5000

• Phone - toll free in the U.S.: (1) 888 516 3002
• Email for individual shareholders

• Phone: United States: (1) 908 981 5560
  Europe: +33 1 53 77 45 45
• Email for institutional investors

• Sanofi
  Investor Relations
  55 Corporate Drive
  Bridgewater, NJ 08807

JPMorgan Chase Bank, N.A. sponsors and administers our American Depositary Receipts (ADR) program. You can contact their Sanofi shareholder services at:

• Toll-free number in the U.S.: (1) 877 272 9475 
• For international callers: (1) 651 453 2128 
• Email: jpmorgan.adr@wellsfargo.com

• Regular correspondence:
  JPMorgan Chase Bank, NA
  P.O. BOX 64504
  St. Paul, MN 55164-0504

• Delivery of stock certificates and overnight mail:
  JPMorgan Chase Bank, NA
  161 N Concord Exchange
  South St. Paul, MN 55075  

• General inquiries concerning ADRs:
  J.P. Morgan
  American Depositary Receipts
  1 Chase Manhattan Plaza, Floor 58
  New York, NY 10005 
   
  E-mail: adr@jpmorgan.com