UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): December 6, 2005

THE MOSAIC COMPANY

(Exact name of registrant as specified in its charter)

Delaware	001-32327	20-0891589
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

3033 Campus Drive Suite E490 Plymouth, Minnesota	55441
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (800) 918-8270

Not applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01. Regulation FD Disclosure.

Furnished herewith as Exhibits 99.1 and 99.2, respectively, and incorporated by reference herein are copies of (i) a press release issued by the registrant on December 6, 2005 and (ii) the registrant’s presentation entitled “The Mosaic Company Overview and Fiscal 2006 Outlook” to be made December 7, 2005.

Item 9.01. Financial Statements and Exhibits

(c) Exhibits.

Reference is made to the Exhibit Index hereto with respect to the exhibits furnished herewith. The exhibits listed in the Exhibit Index hereto are being “furnished” in accordance with General Instruction B.2. of Form 8-K and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference in any filing under the Securities Act or the Exchange Act, except as expressly set forth by specific reference in such filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	THE MOSAIC COMPANY
Date: December 7, 2005	By:	/s/    RICHARD L. MACK
	Name:	Richard L. Mack
	Title:	Senior Vice President, General Counsel and Corporate Secretary

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press release issued by the registrant on December 6, 2005
99.2	Presentation entitled “The Mosaic Company Overview and Fiscal 2006 Outlook” to be made December 7, 2005