UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐

Check the appropriate box:
☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material Pursuant to § 240.14a-12

Assurant, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

☒	No fee required.
☐	Fee paid previously with preliminary materials.
☐	Fee computed on table on exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(l) and 0-11

Your Vote Counts! *Please check the meeting materials for any special requirements for meeting attendance. Smartphone users Point your camera here and vote without entering a control number For complete information and to vote, visit www.ProxyVote.com Control # V36704-P04262 ASSURANT, INC. 260 INTERSTATE NORTH CIRCLE SE ATLANTA, GA 30339 ASSURANT, INC. You invested in ASSURANT, INC. and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy materials for the stockholder meeting to be held on May 23, 2024. Vote Virtually at the Meeting* May 23, 2024 8:00 AM ET Virtually at: www.virtualshareholdermeeting.com/AIZ2024 Get informed before you vote View the 2024 Notice and Proxy Statement and 2023 Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 9, 2024. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. 2024 Annual Meeting Vote by May 22, 2024 11:59 PM ET. For shares held in a Plan, vote by May 20, 2024 11:59 PM ET.

Vote at www.ProxyVote.com Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”. Voting Items Board Recommends V36705-P04262 THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters. 1. Election of Directors Nominees: 1a. Elaine D. Rosen For 1b. Paget L. Alves For 1c. Rajiv Basu For 1d. J. Braxton Carter For 1e. Keith W. Demmings For 1f. Harriet Edelman For 1g. Sari Granat For 1h. Lawrence V. Jackson For 1i. Debra J. Perry For 1j. Ognjen (Ogi) Redzic For 1k. Paul J. Reilly For 2. Ratification of the appointment of PricewaterhouseCoopers LLP as Assurant’s Independent Registered Public Accounting Firm for 2024. For 3. Advisory approval of the 2023 compensation of the Company’s named executive officers. For NOTE: Such other business as may properly come before the meeting or any adjournment thereof.