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: BRAUSEN ANTHONY T (Vice President -Finance)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-01-24	Common Stock	S	2300	$75.648	Disposed	4915	Direct
2011-01-24	Common Stock	M	7200	$16.03	Acquired	12115	Direct
2011-01-24	Common Stock	S	7200	$75.648	Disposed	4915	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-01-24	Stock Option (Right to Buy)	$16.03	M	7200	Disposed	2016-02-27	Common Stock (7200)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$15.45	2016-08-04	Common Stock (19716)	19716	Direct
Stock Option (Right to Buy)	$40.03	2017-08-02	Common Stock (11323)	11323	Direct
Stock Option (Right to Buy)	$127.21	2018-07-31	Common Stock (2195)	2195	Direct
Restricted Stock Units	$0.00		Common Stock (1179)	1179	Direct
Stock Option (Right to Buy	$52.72	2019-07-27	Common Stock (5258)	5258	Direct
Restricted Stock Units	$0.00		Common Stock (3319)	3319	Direct
Stock Option (Right to Buy)	$44.93	2020-07-27	Common Stock (5105)	5105	Direct
Restricted Stock Units	$0.00		Common Stock (4986)	4986	Direct

Footnotes

F1: One-for-One

F2: Not Applicable

F3: 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.

F4: 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.

F5: This Stock Option is 100% exercisable.

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.