Company: AIZ
Filing Date: 2025-04-08
Form Type: DEF 14A
Source: 0001267238-25-000018
Chunk: 3

Company: ASSURANT, INC.
Filing Date: 2025-04-08
Form: DEF 14A
Chunk 3
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Senior Vice President and Corporate Secretary

April 8, 2025

<div align='center'>Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to be Held on May 21, 2025

The Assurant Proxy Statement and Annual Report are available at</div>

#### www.proxyvote.com
You will need your 12-digit control number, listed on the Notice, to access these materials and to vote.

EACH VOTE IS IMPORTANT. TO VOTE YOUR SHARES, PLEASE PROMPTLY SUBMIT YOUR VOTE VIA THE INTERNET, BY MAIL OR BY TELEPHONE, AS EXPLAINED ABOVE.

| iii |     | Notice of 2025 Annual Meeting of Stockholders and Proxy Statement |

| Summary Information |

#### Summary Information
Provided below is a summary of certain information contained in this proxy statement. Before casting your vote, please refer to the complete proxy statement and the 2024 annual report to stockholders.

#### MATTERS TO BE VOTED ON
| Proposals                                                                                                                             |     | Board Recommendation |     | Page |
| Election of 10 Director Nominees                                                                                                      |     | FOR                  |     |   11 |
| Ratification of Appointment of PricewaterhouseCoopers LLP as Assurant’s Independent Registered Public Accounting Firm for Fiscal 2025 |     | FOR                  |     |   24 |
| Advisory Approval of the Company’s Named Executive Officer Compensation for 2024                                                      |     | FOR                  |     |   25 |
| Adoption of amendments to the Company’s Certificate of Incorporation to:                                                              |     |                      |     |      |
| ◦enable adoption of a stockholders’ right to call a special meeting of stockholders;                                                  |     | FOR                  |     |   26 |
| ◦limit liability of officers as permitted by law; and                                                                                 |     | FOR                  |     |   28 |
| ◦implement other miscellaneous changes                                                                                                |     | FOR                  |     |   30 |
| Consideration of a shareholder proposal to give shareholders the ability to call a shareholder special meeting.                       |     | AGAINST              |     |   32 |

#### 2024 HIGHLIGHTS
Assurant, Inc. (“Assurant” or the “Company”) is a premier global protection company that partners with the world’s leading brands to safeguard devices, homes and automobiles. Assurant leverages data-driven technology solutions to provide exceptional customer experiences. Assurant operates