FORM 3UNITED 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
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1. Name and Address of Reporting Person*
Montag Thomas K.

(Last)(First)(Middle)
C/O MERRILL LYNCH & CO., INC., 4 WORLD FINANCIAL CENTER

(Street)
NEW YORKNY10080

(City)(State)(Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
08/04/2008
3. Issuer Name and Ticker or Trading Symbol
MERRILL LYNCH & CO INC [MER]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Executive Vice President
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
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 Excercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
No securities are beneficially owned

Thomas K. Montag (By Pia K. Thompson, as agent)08/06/2008
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.

POWER OF ATTORNEY


I hereby appoint Richard B. Alsop, Judith A. Witterschein, 
Cara I. Londin, Mason A. Reeves, Gale Chang, Pia K. Thompson
and Margaret E. Nelson to act individually as my agent and 
attorney-in-fact for the purpose of completing,executing and 
filing on my behalf with the Securities and Exchange Commission, 
the New York Stock Exchange, Inc. or any other exchange or self 
regulatory body,any Form 3 "Initial Statement of Beneficial 
Ownership of Securities", Form 4 "Statement of Changes in 
Beneficial Ownership of Securities", Form 5 "Annual Statement 
of Beneficial Ownership of Securities", Form 144 "Notice of 
Proposed Sale of Securities", or any other similar form to report
securities ownership that may, in the opinion of any of them be 
necessary, with respect to any transaction in securities of 
Merrill Lynch & Co., Inc.

Nothing herein shall relieve me of the responsibility for the 
accuracy of the information and representations contained in 
any Form 3, Form 4, Form 5, Form 144 or other similar form 
completed, executed and filed pursuant to this power of attorney.

This power of attorney shall supersede all similar prior powers 
of attorney and will remain effective as to the agents and 
attorneys-in-fact referred to above until I revoke or amend 
it by written notice to such persons.



/s/ Thomas K. Montag
Thomas K. Montag


State of New York
County of New York

Sworn to before me this 15th

 day of July, 2008.





/s/ Jae Eun Kye


                  
Notary







Jae Eun Kye
Notary Public, State of New York
No.01KY6123186, Qualified in New York County
Commission Expires February 28, 2009



 
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