Information concerning the total number of voting rights and shares

Information concerning the total number of voting rights and shares, provided pursuant to article L. 233-8 II of the Code de commerce (the French Commercial Code) and article 223-16 of the Règlement général de l'Autorité des Marchés Financiers (Regulation of the French stock market authority)

Sanofi
a French société anonyme with a registered share capital of 2,502,719,102 €
Registered office : 54, rue La Boétie - 75008 Paris - France
Registered at the Paris Commercial and Companies Registry under number 395 030 844

Date	Total number of issued shares	Number of real voting rights (excluding treasury shares)	Theoretical number of voting rights (including treasury shares)*
October 31, 2018	1,251,997,345	1,395,348,000	1,401,728,202

*  Pursuant to article 223-11 of the Règlement général de l'Autorité des Marchés Financiers.

This information is also available on the internet website of sanofi under « Regulated Information in France »:https://www.sanofi.com/en/investors/sanofi-share-and-adrs/share-overview/shares-and-voting-rights/

Investor Relations Department Europe Tel: + 33 1 53 77 45 45  US Tel: + 1 908 981 5560 e-mail: [e-mail]   Media Relations Department Tel: + 33 1 53 77 46 46  e-mail: [e-mail]

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Source: Sanofi via Globenewswire