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 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 *
PETERS AULANA L
   2. Issuer Name and Ticker or Trading Symbol
MERRILL LYNCH & CO INC [MER] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O MERRILL LYNCH & CO., INC., 4 WORLD FINANCIAL CENTER		 3. Date of Earliest Transaction (Month/Day/Year)
07/24/2007
(Street)

NEW YORK, NY 10080		 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 07/24/2007   M   306 A $ 0 13,713 D  
Common Stock 07/24/2007   D   306 D $ 83.58 13,407 (1) D  

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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
ML Stock Units (2) (3) 07/24/2007   M     306   (2)   (2) Common Stock 306 $ 0 19,645 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
PETERS AULANA L
C/O MERRILL LYNCH & CO., INC.
4 WORLD FINANCIAL CENTER
NEW YORK, NY 10080		   X      

Signatures

 Aulana L. Peters (By Pia K. Thompson, as agent)   07/26/2007
**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) This total reflects the reinvestment of dividend equivalents into Deferred Units and Deferred Stock Units pursuant to the terms of both the Merrill Lynch & Co., Inc. Deferred Stock Unit and Stock Option Plan for Non-Employee Directors, as amended, and the Merrill Lynch & Co., Inc. Deferred Stock Unit Plan for Non-Employee Directors. These transactions are exempt from reporting under the provisions of Rule 16a-3 and/or 16a-11.
(2) The reporting person participates in the Merrill Lynch & Co., Inc. Fee Deferral Plan for Non-Employee Directors (the "Fee Deferral Plan"). Transactions under the Fee Deferral Plan are exempt under Rule 16b-3. The value of each unit is equal to the value of one share of Merrill Lynch & Co., Inc. Common Stock. The stock units are payable in cash at the end of the deferral period as provided in the Fee Deferral Plan.
(3) 1 for 1
 
Remarks:
All reported positions have been rounded down to the nearest whole number.

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