MOSAIC CO — Director's Dealing 2011

Jan 25, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MOSAIC CO (MOS)
CIK: 0001285785
Period of Report: 2011-01-24

Reporting Person: Davis Gary N. (VP - Phosphate Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-01-24	Common Stock	M	7900	$15.45	Acquired	26821	Direct
2011-01-24	Common Stock	S	7900	$76.40	Disposed	18921	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-01-24	Stock Option (Right to Buy)	$15.45	M	7900	Disposed	2016-08-04	Common Stock (7900)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$40.03	2017-08-02	Common Stock (10429)	10429	Direct
Stock Option (Right to Buy)	$127.21	2018-07-31	Common Stock (2195)	2195	Direct
Restricted Stock Units	$0.00		Common Stock (786)	786	Direct
Stock Option (Right to Buy)	$52.72	2019-07-27	Common Stock (4507)	4507	Direct
Restricted Stock Units	$0.00		Common Stock (2845)	2845	Direct
Stock Option (Right to Buy)	$44.93	2020-07-27	Common Stock (10130)	10130	Direct
Restricted Stock Units	$0.00		Common Stock (5564)	5564	Direct

Footnotes

F1: This Stock Option is 100% exercisable.

F2: One-for-One

F3: Not Applicable

F4: Grant Date 07/31/2008; option becomes exercisable in three equal installments commencing on the first anniversary of the grant date and on each anniversary thereafter.

F5: Grant Date 07/27/2009; option becomes exercisable in three equal installments commencing on the first anniversary of the grant date and on each anniversary thereafter.

F6: Grant Date 07/27/2010; option becomes exercisable in three equal installments commencing on the first anniversary of the grant date and on each anniversary thereafter.