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: LUMPKINS ROBERT L (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-10-07	Restricted Stock Units	$0.00	A	2763	Acquired		Common Stock (2763)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	14517	Indirect
Common Stock	5514	Indirect
Common Stock	7327	Indirect
Common Stock	3248	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$0.00		Common Stock (4655)	4655	Direct
Restricted Stock Units	$0.00		Common Stock (3423)	3423	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 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.