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 *
BERKERY ROSEMARY T
   2. Issuer Name and Ticker or Trading Symbol
MERRILL LYNCH & CO INC [MER] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP and General Counsel
(Last)
(First)
(Middle)
C/O MERRILL LYNCH & CO., INC., 4 WORLD FINANCIAL CENTER		 3. Date of Earliest Transaction (Month/Day/Year)
02/21/2007
(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 02/21/2007   M   40,678 A $ 36.1719 552,786 D  
Common Stock 02/21/2007   F   27,779 D $ 92.16 525,007 D  
Common Stock 02/22/2007   S   1,799 D $ 92.40 523,208 D  
Common Stock 02/22/2007   S   100 D $ 92.41 523,108 D  
Common Stock 02/22/2007   S   100 D $ 92.42 523,008 D  
Common Stock 02/22/2007   S   200 D $ 92.43 522,808 D  
Common Stock 02/22/2007   S   300 D $ 92.45 522,508 D  
Common Stock 02/22/2007   S   400 D $ 92.46 522,108 D  
Common Stock 02/22/2007   S   100 D $ 92.49 522,008 D  
Common Stock 02/22/2007   S   100 D $ 92.50 521,908 D  
Common Stock 02/22/2007   S   100 D $ 92.51 521,808 D  
Common Stock 02/22/2007   S   300 D $ 92.53 521,508 D  
Common Stock 02/22/2007   S   600 D $ 92.54 520,908 D  
Common Stock 02/22/2007   S   200 D $ 92.55 520,708 D  
Common Stock 02/22/2007   S   600 D $ 92.56 520,108 D  
Common Stock 02/22/2007   S   700 D $ 92.57 519,408 D  
Common Stock 02/22/2007   S   1,800 D $ 92.58 517,608 D  
Common Stock 02/22/2007   S   1,000 D $ 92.59 516,608 D  
Common Stock 02/22/2007   S   2,300 D $ 92.60 514,308 D  
Common Stock 02/22/2007   S   1,000 D $ 92.61 513,308 D  
Common Stock 02/22/2007   S   1,000 D $ 92.62 512,308 D  
Common Stock 02/22/2007   S   200 D $ 92.63 512,108 (1) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Stock Option - Right to Acquire (2) $ 36.1719 02/22/2007   M     40,678   (3) 01/25/2009 Common Stock 40,678 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BERKERY ROSEMARY T
C/O MERRILL LYNCH & CO., INC.
4 WORLD FINANCIAL CENTER
NEW YORK, NY 10080		       EVP and General Counsel  

Signatures

 Rosemary T. Berkery (By Pia K. Thompson, as agent)   02/23/2007
**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 also reflects the acquisition of shares of Merrill Lynch & Co., Inc. Common Stock as a result of contributions, allocations or dividend reinvestments through Merrill Lynch plans which are exempt from the reporting requirements under the provisions of Rule 16a-3 and/or 16a-11.
(2) These stock options were granted under the Merrill Lynch & Co., Inc. Long Term Incentive Compensation Plan (the "Plan"). Transactions under this plan are exempt under the provisions of Rule 16b-3.
(3) All options are exercisable.
 
Remarks:
All reported positions have been rounded down to the nearest whole number.

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.