Company: AFGC
Filing Date: 2025-09-17
Form Type: 424B5
Source: 0001140361-25-035246
Chunk: 38

Company: AMERICAN FINANCIAL GROUP INC
Filing Date: 2025-09-17
Form: 424B5
Chunk 38
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 laws and regulations and may not be offered or sold in Taiwan through a public offering or in any manner which would constitute an offer within the meaning of the Securities and Exchange Act of Taiwan or would otherwise require registration with or the approval of the Financial Supervisory Commission of Taiwan. No person or entity in Taiwan has been authorized to offer, sell, give advice regarding or otherwise intermediate the offering or sale of the senior notes in Taiwan.

#### Dubai
This prospectus supplement relates to an Exempt Offer in accordance with the Offered Securities Rules of the Dubai Financial Services Authority (“DFSA”). This prospectus supplement is intended for distribution only to persons of a type specified in the Offered Securities Rules of the DFSA. It must not be delivered to, or relied on by, any other person. The DFSA has no responsibility for reviewing or verifying any documents in connection with Exempt Offers. The DFSA has not approved this prospectus supplement, nor taken steps to verify the information set forth herein and has no responsibility for this prospectus supplement. The senior notes to which this prospectus supplement relate may be illiquid and/or subject to restrictions on their resale. Prospective purchasers of the senior notes offered should conduct their own due diligence on the senior notes. If you do not understand the contents of this prospectus supplement, you should consult an authorized financial advisor.

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### LEGAL MATTERS
Certain legal matters regarding the senior notes will be passed upon for us by Keating Muething & Klekamp PLL, Cincinnati, Ohio and for the underwriters by Sidley Austin LLP, New York, New York.

### EXPERTS
Ernst & Young LLP, independent registered public accounting firm, has audited AFG’s consolidated financial statements and schedules, included in AFG’s Annual Report on Form 10-K for the year ended December 31, 2024, and the effectiveness of AFG’s internal control over financial reporting as of December 31, 2024, as set forth in their reports, which are incorporated by reference in this prospectus supplement and elsewhere in the registration statement. AFG’s consolidated financial statements and schedules and our management’s assessment of the effectiveness of internal control over financial reporting as of December 31, 2024 are incorporated herein by reference in reliance on Ernst & Young LLP’s reports, given on their authority as experts in accounting and auditing.

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