Company: SNY
Filing Date: 2025-10-27
Form Type: 424B5
Source: 0001193125-25-250786
Chunk: 5

Company: Sanofi
Filing Date: 2025-10-27
Form: 424B5
Chunk 5
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writing Conflicts (“NI 33-105”). Pursuant to section 3A.3 of NI 33-105, this
document is exempt from the requirement to provide investors with certain conflicts of interest disclosure pertaining to “connected issuer” and/or “related issuer” relationships as would otherwise be required pursuant to
subsection 2.1(1) of NI 33-105.

Resale Restrictions

The offer and sale of the notes in Canada is being made on a private placement basis only and is exempt from the requirement to prepare and
file a prospectus under applicable Canadian securities laws. Any resale of notes acquired by a Canadian investor in this offering must be made in accordance with applicable Canadian securities laws, which may vary depending on the relevant
jurisdiction, and which may require resales to be made in accordance with Canadian prospectus requirements, a statutory exemption from the prospectus requirements, in a transaction exempt from the prospectus requirements or otherwise under a
discretionary exemption from the prospectus requirements granted by the applicable local Canadian securities regulatory authority. These resale restrictions may under certain circumstances apply to resales of the notes outside of Canada.

Representations of Purchasers

Each Canadian investor who purchases the notes will be deemed to have represented to the Company and to each dealer from whom a purchase
confirmation is received, as applicable, that the investor (i) is purchasing as principal, or is deemed to be purchasing as principal in accordance with applicable Canadian securities laws; (ii) is an “accredited investor” as
such term is defined in section 1.1 of National Instrument 45-106 Prospectus Exemptions (“NI 45-106”) or, in Ontario, as such term is defined in
section 73.3(1) of the Securities Act (Ontario); and (iii) is a “permitted client” as such term is defined in section 1.1 of National Instrument 31-103 Registration Requirements, Exemptions and Ongoing Registrant Obligations.

Rescission Rights and Remedies

Securities legislation in certain of the Canadian jurisdictions provides certain purchasers of securities, with a remedy for damages or
rescission, or both, in addition to any other rights they may have at law, if this prospectus (including any amendment thereto) contains a “misrepresentation” as defined under applicable Canadian securities laws. These remedies, or
notice with respect to these remedies, must be exercised or delivered, as the case may be, by the purchaser within