Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
PALEY ROBERT A
   2. Issuer Name and Ticker or Trading Symbol
MONSANTO CO /NEW/ [MON] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President and Treasurer
(Last)
(First)
(Middle)
800 NORTH LINDBERGH BLVD.		 3. Date of Earliest Transaction (Month/Day/Year)
05/04/2005
(Street)

ST. LOUIS, MO 63167		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 05/04/2005   M   15,000 A $ 20 17,500 D  
Common Stock 05/04/2005   S   13,800 D $ 59 3,700 D  
Common Stock 05/04/2005   S   1,200 D $ 59.08 2,500 D  
Common Stock 05/05/2005   M   15,000 A $ 20 17,500 D  
Common Stock 05/05/2005   S   13,400 D $ 59.5 4,100 D  
Common Stock 05/05/2005   S   1,600 D $ 59.54 2,500 D  
Common Stock 05/06/2005   M   14,450 A $ 20 16,950 D  
Common Stock 05/06/2005   S   550 D $ 59.55 16,400 D  
Common Stock 05/06/2005   S   500 D $ 59.54 15,900 D  
Common Stock 05/06/2005   S   300 D $ 59.52 15,600 D  
Common Stock 05/06/2005   S   13,100 D $ 59.5 2,500 D  
Common Stock 05/06/2005   M   100 A $ 31.58 100 I By Spouse
Common Stock 05/06/2005   M   120 A $ 16.145 220 I By Spouse
Common Stock 05/06/2005   S   220 D $ 60.15 0 I By Spouse
Common Stock               2,893 I By 401(k) Plan
Common Stock               285 I By 401(k) Plan of spouse

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option (right to buy) $ 20 05/04/2005   M     15,000 03/15/2002(1) 10/16/2010 Common Stock 15,000 $ 20 29,450 D  
Option (right to buy) $ 20 05/05/2005   M     15,000 03/15/2002(1) 10/16/2010 Common Stock 15,000 $ 20 14,450 D  
Option (right to buy) $ 20 05/06/2005   M     14,450 03/15/2002(1) 10/16/2010 Common Stock 14,450 $ 20 0 D  
Option (right to buy) $ 31.58 05/06/2005   M     100 03/31/2003(2) 03/31/2012 Common Stock 100 $ 31.58 0 I By Spouse
Option (right to buy) $ 16.145 05/06/2005   M     120 04/25/2004(3) 12/01/2005(4) Common Stock 120 $ 16.145 0 I By Spouse

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
PALEY ROBERT A
800 NORTH LINDBERGH BLVD.
ST. LOUIS, MO 63167		       Vice President and Treasurer  

Signatures

 Christopher A. Martin, Attorney-in-Fact   05/06/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) 50% of the options became exercisable on each of March 15, 2002 and March 15, 2003, subject to the terms and conditions of the Monsanto Company Long Term Incentive Plan.
(2) One-third of the options became exercisable on each of March 15, 2003, March 15, 2004 and March 15, 2005, subject to the terms and conditions of the Monsanto Company Long Term Incentive Plan.
(3) One-third of the options became exercisable on April 25, 2004, and two-thirds of the options became exercisable on December 1, 2004 upon the reporting person's spouse's termination of employment at Monsanto Company, pursuant to the terms and conditions of the Monsanto Company Long Term Incentive Plan..
(4) The expiration date of the options was accelerated to December 1, 2005 upon the reporting person's spouse's termination of employment at Monsanto Company, pursuant to the terms and conditions of the Monsanto Company Long Term Incentive Plan.

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