Company: AIZ
Filing Date: 2025-08-15
Form Type: 424B5
Source: 0001193125-25-181851
Chunk: 64

Company: ASSURANT, INC.
Filing Date: 2025-08-15
Form: 424B5
Chunk 64
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 faith and credit of the U.S. government) that will generate enough cash to make interest, principal and 
 any other payments on the debt securities on their various due dates as certified by a nationally recognized firm of independent public accountants; and                                                                                                 |

| • |     | We must deliver to the trustee a legal opinion of counsel confirming that under current U.S. federal income tax                                                                                     
 law we may make the above deposit without causing the holders to be taxed on the debt securities any differently than if we did not make the deposit and just repaid the debt securities ourselves. |

If we accomplish covenant defeasance, certain provisions of the indenture and the debt securities would no longer apply:

| • |     | Covenants applicable to the series of debt securities that are described above under “— Restrictive 
 Covenants” and described in the prospectus supplement.                                              |

| • |     | Any events of default relating to breach of those covenants. |

In addition, in the case of subordinated securities, the provisions described above under “— Subordination Provisions” will not apply if we accomplish covenant defeasance. If we accomplish covenant defeasance, a holder can still look to us for repayment of the debt securities if there were a shortfall in the trust deposit. In fact, if one of the remaining events of default occurred (such as a bankruptcy) and the debt securities become immediately due and payable, there may be such a shortfall. (Sections 1303 and 1304 of the 2013 senior debt indenture and the subordinated debt indenture, Sections 4.3 and 4.4 of the 2004 senior debt indenture) Events of Default A holder will have special rights if an event of default occurs and is not cured, as described later in this subsection. What Is An Event of Default?The term “Event of Default” means any of the following:

| • |     | We do not pay the principal of or any premium on a debt security on its due date; |

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| • |     | We do not pay interest on a debt security within 30 days of its due date; |

| • |     | We do not deposit money in a separate account, known as a sinking fund, on its due date, if we agree to maintain 
 any sinking fund;                                                                                                |

| • |     | We remain in breach of the restrictive covenant described above under “— Restrictive Covenants —                                                                                                                                                        
 Limitation on Li