The Mosaic Company Announces Preliminary Third Quarter 2005 Earnings Conference Call to Be Held Thursday, March 31, 2005, at 11 a.m. EST

March 18, 2005

MINNETONKA, Minn., March 18 /PRNewswire-FirstCall/ -- The Mosaic Company (NYSE: MOS) will conduct a conference call on Thursday, March 31, 2005, to discuss preliminary 2005 3rd Quarter Earnings Results. The call will begin at 11:00 a.m. Eastern Standard Time (10 a.m. Central Standard Time) and will last no longer than 60 minutes.

                 Conference Call Phone Number:  866-800-8651
                 International Phone Call-In Number:  617-614-2704
                 Participant Passcode: 93599051

Additionally, a Webcast of the conference call, both live and as a replay, can be accessed by visiting Mosaic's web site at http://www.mosaicco.com/investors . This Webcast will be available up to one year from the time of the earnings call.

A replay of the audio call will be available through 6:00 p.m. Eastern Standard Time on Saturday, April 30. Please call 888-286-8010 to access the replay and use passcode 62981494.

The earnings press release and tables will be issued before the conference call and also will be available at Mosaic's website. Please note that no individual phone calls will be taken to discuss the earnings announcement before the conference call.

About the Mosaic Company

The Mosaic Company is one of the world's leading producers and marketers of concentrated phosphate and potash crop nutrients. For the global agriculture industry, Mosaic is a single source of phosphates, potash, nitrogen fertilizers and feed ingredients. More information on the company is available at http://www.mosaicco.com .

SOURCE  Mosaic Company
    -0-                             03/18/2005
    /CONTACT:  Media, Linda Thrasher, +1-952-984-0350, or Investors, Douglas
Hoadley, +1-952-984-0234, both of Mosaic Company/
    /Web site:  http://www.mosaicco.comhttp://www.mosaicco.com/investors /
    (MOS)

CO:  Mosaic Company
ST:  Minnesota
IN:  CHM
SU:  CCA MAV

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