MOSAIC CO — Director's Dealing 2010

Aug 4, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MOSAIC CO (MOS)
CIK: 0001285785
Period of Report: 2010-08-02

Reporting Person: MONAHAN WILLIAM T (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-08-02	Common Stock	M	1624	$0.00	Acquired	19753	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-08-02	Restricted Stock Units	$0.00	M	1624	Disposed		Common Stock (1624)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$0.00		Common Stock (2327)	2327	Direct
Restricted Stock Units	$0.00		Common Stock (1712)	1712	Direct

Footnotes

F1: One for one

F2: Not applicable

F3: The restricted stock units vested on October 9, 2009. Vested shares will be delivered to the reporting person on October 9, 2011.

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