Company: AIZ
Filing Date: 2025-08-15
Form Type: 424B5
Source: 0001193125-25-181851
Chunk: 28

Company: ASSURANT, INC.
Filing Date: 2025-08-15
Form: 424B5
Chunk 28
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. The underwriters may allow, and the dealers may reallow, a discount not in excess of 0.250% of the principal amount of the Notes to other dealers. After the initial public offering, the public offering price, concession and discount may be changed. The following table shows the underwriting discount that we will pay to the underwriters in connection with the offering of the Notes:

| Per Note |     | Paid by us |     0.650 | % |
|:---------|:----|:-----------|----------:|:--|
| Total    |     | $          | 1,950,000 |   |

The expenses of the offering, not including the underwriting discount, are estimated to be approximately $1.1 million and are payable by us. S-21

New Issue of Notes

The Notes are a new issue of securities with no established trading market. We do not intend to apply for listing of the Notes on any
securities exchange or for quotation of the Notes on any automated dealer quotation system. We have been advised by the underwriters that they presently intend to make a market in the Notes after completion of the offering. However, they are under
no obligation to do so and may discontinue any market-making activities at any time without any notice. We cannot assure the liquidity of the trading market for the Notes or that an active public trading market for the Notes will develop. If an
active public trading market for the Notes does not develop, the market price and liquidity of the Notes may be adversely affected.

A
prospectus supplement in electronic format may be made available on websites maintained by one or more underwriters, or selling group members, if any, participating in this offering. The representatives may agree to allocate a number of units to
underwriters for sale to their online brokerage account holders. Internet distributions will be allocated by the representatives to underwriters that may make Internet distributions on the same basis as other allocations.

Extended Settlement

It is expected that
delivery of the Notes will be made to investors on or about August 18, 2025 (such settlement cycle being referred to as “T+2”). Under Rule 15c6-1 under the Exchange Act, trades in the secondary
market are required to settle in one business day, unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade the Notes on any date prior to the business day before delivery of the Notes will be
required, by virtue of the fact that the