Company: AIZ
Filing Date: 2025-08-15
Form Type: 424B5
Source: 0001193125-25-181851
Chunk: 10

Company: ASSURANT, INC.
Filing Date: 2025-08-15
Form: 424B5
Chunk 10
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 or incorporated by reference in this prospectus supplement and the accompanying prospectus before deciding to invest in the Notes. If any of the risks actually occur, they may materially harm our business, financial condition, operating results or cash flow. Additional risks and uncertainties that are not yet identified or that we think are immaterial may also materially harm our business, financial condition, operating results or cash flow and could result in a complete or partial loss of your investment.

This prospectus supplement, the accompanying prospectus and the incorporated documents also contain forward-looking statements that involve risks and uncertainties. Our actual results could differ materially from those anticipated in these forward-looking statements as a result of certain factors, including the risks faced by us as described in this prospectus supplement and the documents incorporated by reference in this prospectus supplement and the accompanying prospectus. For more information see “Forward-Looking Information” in the accompanying prospectus and “Forward-Looking Statements” in this prospectus supplement.

The Notes are effectively subordinated to any debt of Assurant that is secured.

The Notes are our senior unsecured obligations, and will be effectively subordinated to any of our future secured indebtedness to the extent of
the value of the assets that secure that indebtedness. The effect of this subordination is that if Assurant is involved in a bankruptcy, liquidation, dissolution, reorganization or similar proceeding, or upon a default in payment on, or the
acceleration of, any secured debt of Assurant, the assets that secure such debt will be available to pay obligations on the Notes only after all such debt has been paid in full from the assets securing such debt. Holders of the Notes will
participate in any remaining assets ratably with all of the other unsecured and unsubordinated creditors of Assurant. We may not have sufficient assets remaining to pay amounts due on any or all of the Notes then outstanding. See “Description
of the Notes.”

We could incur significant additional indebtedness in the future, which could impair our ability to make payments under the Notes.

As of June 30, 2025, we had total outstanding indebtedness of approximately $2.1 billion and
an additional $500.0 million of available borrowing under our revolving credit facility, all of which would be unsecured indebtedness. See “Capitalization” for more information. In addition, the Notes and the senior notes indenture
governing the Notes generally do not contain restrictive covenants, such as a limitation on the