MOSAIC CO — Director's Dealing 2018

May 11, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MOSAIC CO (MOS)
CIK: 0001285785
Period of Report: 2018-05-10

Reporting Person: Johnson Denise C (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-05-10	Restricted Stock Units	$0.0	A	5497	Acquired		Common Stock (5497.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3144	Direct
Common Stock	1578	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$0.0		Common Stock (3402.0)	3402	Direct
Restricted Stock Units	$0.0		Common Stock (6038.0)	6038	Direct
Restricted Stock Units	$0.0		Common Stock (6346.0)	6346	Direct

Footnotes

F1: Includes 775 shares that were purchased by reporting person's SEP IRA on February 16, 2016, and inadvertently reported, at that time, as purchased and held, directly, by reporting person.

F2: One-for-One

F3: The restricted stock units vested on the date of the issuer's 2016 Annual Meeting of Stockholders. Vested shares will be delivered to the reporting person on May 14, 2018.

F4: Not Applicable

F5: The restricted stock units vested on the date of the issuer's 2017 Annual Meeting of Stockholders. Vested shares will be delivered to the reporting person on May 19, 2019.

F6: The restricted stock units vested on the date of the issuer's 2018 Annual Meeting of Stockholders. Vested shares will be delivered to the reporting person on May 18, 2020.

F7: The restricted stock units will vest on the date of the issuer's 2019 Annual Meeting of Stockholders. Vested shares will be delivered to the reporting person on May 10, 2021.