MOSAIC CO — Director's Dealing 2010

Oct 12, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MOSAIC CO (MOS)
CIK: 0001285785
Period of Report: 2010-10-07

Reporting Person: Seaton David Thomas (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-10-07	Restricted Stock Units	$0.00	A	1381	Acquired		Common Stock (1381)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	0	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$0		Common Stock (973)	973	Direct
Restricted Stock Units	$0.00		Common Stock (1712)	1712	Direct

Footnotes

F1: One-for-One

F2: Not Applicable

F3: The restricted stock units vest on April 16, 2010. Vested shares will be delivered to the reporting person on April 16, 2012.

F4: The restricted stock units vested on October 8, 2010. Vested shares will be delivered to the reporting person on October 8, 2012.

F5: The restricted stock units vest on October 7, 2011. Vested shares will be delivered to the reporting person on October 7, 2013.