Company: SNY
Filing Date: 2025-10-29
Form Type: 424B5
Source: 0001193125-25-255563
Chunk: 56

Company: Sanofi
Filing Date: 2025-10-29
Form: 424B5
Chunk 56
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 systems operators, 
 provided that such depository or systems operator is not located in a Non-Cooperative State.                                                                                                                   |

Since the notes will be cleared through a qualifying clearing system at the time of their issue, the notes (i) will fall under the Exemption and consequently payments of interest and other revenues made by the Issuer under the notes will not be subject to the withholding tax set out under Article 125 A III of the French General S-38

Tax Code and (ii) to the extent that the relevant interest and other revenues relate to genuine transactions and are not in an abnormal or exaggerated amount, will not be subject to the non-deductibility rule set out under Article 238 A of the French General Tax Code or to the withholding tax set out under Article 119 bis 2 of the French General Tax Code solely on account of such amounts being paid
to a bank account opened in a financial institution located in a Non-Cooperative State or accrued or paid to persons established or domiciled in a Non-Cooperative State.

Additional Amounts. If the French tax laws or regulations applicable to us (or to any of our successors) change and payments in
respect of the notes become subject to withholding or deduction, we may be required to pay you additional amounts to offset such withholding except as provided in “Description of the Notes — Special Situations — Payment of
Additional Amounts”, including under “ — Optional Tax Redemption” in the attached prospectus.

Capital Gains

Non-French tax resident holders of notes who do not hold the notes in connection with a
business or profession conducted in France generally will not be subject to any French income tax or capital gains tax on the sale or disposal of notes. Transfers of the notes made outside of France will not be subject to any stamp duty or other
transfer taxes imposed in France.

Estate and Gift Taxes and Transfer Taxes

In general, a transfer of notes by gift or by reason of death of a U.S. holder that would otherwise be subject to French gift or inheritance
tax, respectively, will not be subject to such French tax by reason of the Convention between the Government of the United States of America and the Government of the French Republic for the Avoidance of Double Taxation and the Prevention of Fiscal
Evasion with Respect to Taxes on Estates, Inheritances and Gifts, dated November 24, 1978, unless the donor or the transferor is domiciled in France at the time of making the gift or at the time of his or her death