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
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
KIM DO WOO
   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)
Executive Vice President
(Last)
(First)
(Middle)
MERRILL LYNCH & CO., INC., 4 WORLD FINANCIAL CENTER		 3. Date of Earliest Transaction (Month/Day/Year)
04/20/2005
(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 03/02/2005   G V 950 D $ 0 434,818 D  
Common Stock 04/20/2005   S   15,319 D $ 53.12 419,499 D  
Common Stock 04/20/2005   S   10,000 D $ 53.11 409,499 D  
Common Stock 04/20/2005   S   5,000 D $ 53.54 404,499 D  
Common Stock 04/20/2005   S   10,000 D $ 53.60 394,499 D  
Common Stock 04/20/2005   S   10,000 D $ 53.55 384,499 D  
Common Stock 04/21/2005   M   4,972 A $ 36.172 389,471 D  
Common Stock 04/21/2005   F   4,178 D $ 52.90 385,293 D  
Common Stock 04/21/2005   M   49,270 A $ 36.065 434,563 D  
Common Stock 04/21/2005   F   41,346 D $ 52.90 393,217 D  
Common Stock 04/22/2005   S   8,718 D $ 53.50 384,503 (1) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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. SEC 1474 (9-02)

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 04/21/2005   M     4,972   (3) 01/25/2009 Common Stock 4,972 $ 0 0 D  
Stock Option - Right to Acquire (2) $ 36.065 04/21/2005   M     49,270   (4) 01/27/2013 Common Stock 49,270 $ 0 49,270 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KIM DO WOO
MERRILL LYNCH & CO., INC.
4 WORLD FINANCIAL CENTER
NEW YORK, NY 10080		       Executive Vice President  

Signatures

 Do Woo Kim (by Michael A. LaMaina, as agent)   04/22/2005
**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) This total also reflects the acquisition of shares of Merrill Lynch & Co., Inc. Common Stock as a result of dividend reinvestments through various Merrill Lynch plans which is exempt from the reporting requirements under the provisions of Rule 16a-3 and/or Rule 16a-11.
(2) These stock options were granted under the Merrill Lynch & Co., Inc. Long-Term Incentive Compensation Plan. Transactions under this plan are exempt under the provisions of Rule 16b-3.
(3) All stock options are exercisable.
(4) 24,635 stock options became exercisable after each of 1/27/2004 and 1/27/2005. 24,635 stock options will become exercisable after each of 1/27/2006 and 1/27/2007.
 
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.