Sanofi: Information concerning the total number of voting rights and shares – October 2025

Information concerning the total number of voting rights and shares, provided pursuant to article L. 233-8 II of theCode de commerce(the French Commercial Code) and article 223-16 of theRèglement général de l’Autorité des Marchés Financiers(Regulation of the French stock market authority) Sanofi a Frenchsociété anonymewith a registered share capital of €2,454,937,946 Registered office : 46, avenue de la Grande Armée - 75017 Paris - France Registered at the Paris...

Paris, 13/11/2025 (informazione.news - comunicati stampa - salute e benessere)

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 €2,454,937,946
Registered office : 46, avenue de la Grande Armée - 75017 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)*
31 October 2025	1,227,469,992	1,348,747,993	1,361,720,228

* 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
e-mail: investor.relations@sanofi.com

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