Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  Vale S.A.
2. Date of Event Requiring Statement (Month/Day/Year)
01/08/2018
3. Issuer Name and Ticker or Trading Symbol
MOSAIC CO [MOS]
(Last)
(First)
(Middle)
C/O VALE S.A.,, PRAIA DE BOTAFOGO, 186, 20TH FLOOR
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

BOTAFOGO, RIO DE JANEIRO, D5 22250-145
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 34,176,574
I
See Footnotes (1) (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Vale S.A.
C/O VALE S.A.,
PRAIA DE BOTAFOGO, 186, 20TH FLOOR
BOTAFOGO, RIO DE JANEIRO, D5 22250-145
  X      
Vale Fertilizer Netherlands B.V.
HERIKERBERGWEG 238 LUNA ARENA
AMSTERDAM, P7 1101
  X      

Signatures

/s/ Andre Figueiredo, Vale S.A. (5) 01/18/2018
**Signature of Reporting Person Date

/s/ Andre Figueiredo, Vale Fertilizer Netherlands B.V. (5) 01/18/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Vale S.A. ("Vale") and Vale Fertilizer Netherlands B.V., an indirect wholly owned subsidiary of Vale (together with Vale, the "Reporting Persons"), hold an aggregate of 34,176,574 Common Shares (the "Shares") of The Mosaic Company (the "Issuer"). Vale is the holder of record of an aggregate of 29,854,571 Shares and Vale Fertilizer Netherlands B.V. is the holder of record of an aggregate of 4,322,003 Shares.
(2) Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.
 
Remarks:
(3) Solely for purposes of Section 16 of the Exchange Act, each of the Reporting Persons may be deemed directors-by-deputization by virtue of their contractual right to appoint up to two directors to the board of directors of the Issuer. As a result, the "Director" box is marked in Item 4 of this Form 3.

(4) The Reporting Persons are jointly filing this Form 3 pursuant to Rule 16a-3(j) under the Exchange Act.

(5) Andre Figueiredo is signing on behalf of both Vale S.A. and Vale Fertilizer Netherlands B.V. pursuant to the Powers of Attorney dated January 11, 2018, which were previously filed with the Securities and Exchange Commission.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.