Paris, France, and Boston, Mass., – November 14, 2012 – Sanofi (EURONEXT: SAN and NYSE: SNY) and T1D Exchange, a non-profit organization focused on type 1 diabetes, announced today on World Diabetes Day that they will collaborate on the TEENs registry study. The aim of the study is to provide the type 1 diabetes community with a better understanding of how children, adolescents and young adults are currently living with type 1 diabetes, and to deliver recommendations for better disease management and patients outcomes.