The Mosaic Company DEFA14A Additional proxy soliciting materials

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

(Amendment No. __ )

Filed by the Registrant ý Filed by a Party other than the Registrant ¨

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o			Preliminary Proxy Statement


o			Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))


o			Definitive Proxy Statement


x			Definitive Additional Materials


o			Soliciting Material Pursuant to §240.14a-12

The Mosaic Company

(Name of Registrant as Specified In Its Charter)

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

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THE MOSAIC COMPANY

C/O AMERICAN STOCK TRANSFER

6201 FIFTEENTH AVENUE

BROOKLYN, NY 11219

You invested in THE MOSAIC COMPANY 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 25, 2023.

Get informed before you vote

View the Notice and Proxy Statement, Form of Proxy and 2022 Annual Report to Stockholders online OR you can receive a free paper

or email copy of the material(s) by requesting prior to May 11, 2023. 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.

*Please check the meeting materials for any special requirements for meeting attendance.


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THIS IS NOT A VOTABLE BALLOT

This is an overview of the more complete proxy materials, which contain important information and are available on the Internet or by mail. We encourage you to access and review the proxy materials before voting. Please follow the instructions on the reverse side to vote these important matters.

V07156-P90083-Z84633

The Mosaic Company (MOS) DEFA14AAdditional proxy soliciting materials