SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 --------------- FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 Merrill Lynch & Co., Inc. (Exact name of registrant as specified in its charter) Delaware 13-2740599 ------------ ------------ (State of incorporation or organization) (I.R.S. Employer Identification No.) 4 World Financial Center New York, New York 10080 ---------------------- ------- (Address of principal executive offices) (Zip Code) If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c), please check the following box. |X| If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d), please check the following box. |_| Securities Act registration statement file number to which this form relates: 333-132911 Securities to be registered pursuant to Section 12(b) of the Act: Title of each class Name of each exchange on which to be so registered each class is to be registered - ------------------- ------------------------------ Accelerated Return Notes Linked to the Nikkei The American Stock Exchange 225 Index due August 6, 2007 Securities to be registered pursuant to Section 12(g) of the Act: (None) Item 1. Description of Registrant's Securities to be Registered. -------------------------------------------------------- The description of the general terms and provisions of the Accelerated Return Notes Linked to the Nikkei 225 Index due August 6, 2007 issued by Merrill Lynch & Co., Inc. (the "Notes"), set forth in the Preliminary Pricing Supplement, dated May 10, 2006, and the MTN Prospectus Supplement, General Prospectus Supplement and Prospectus, each dated March 31, 2006, attached hereto as Exhibit 99(A), is hereby incorporated by reference and contains certain proposed terms and provisions. The description of the Notes contained in the Pricing Supplement to be filed pursuant to Rule 424(b) under the Securities Act of 1933, as amended, under Registration Statement Number 333-132911, which will contain the final terms and provisions of the Notes, including the maturity date of the Notes, is hereby deemed to be incorporated by reference into this Registration Statement and to be a part hereof. Item 2. Exhibits. --------- 99 (A) Preliminary Pricing Supplement, dated May 10, 2006, and the MTN Prospectus Supplement, General Prospectus Supplement and Prospectus, each dated March 31, 2006 (incorporated by reference to registrant's filing pursuant to Rule 424(b)). 99 (B) Form of Note. 99 (C) Copy of Indenture between Merrill Lynch & Co., Inc. and JPMorgan Chase Bank, N.A., dated as of April 1, 1983, as amended and restated.* Other securities issued by Merrill Lynch & Co., Inc. are listed on the American Stock Exchange. - --------- * Exhibit 99 (C) is incorporated by reference from Exhibit (3) to Registrant's Registration Statement on Form 8-A dated July 20, 1992. 2 SIGNATURE Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant has caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized. MERRILL LYNCH & CO., INC. By: /s/ Judith A. Witterschein --------------------------------- Judith A. Witterschein Secretary Date: June 1, 2006 3 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 MERRILL LYNCH & CO., INC. EXHIBITS TO FORM 8-A DATED JUNE 1, 2006 INDEX TO EXHIBITS ----------------- Exhibit No. - ----------- 99 (A) Preliminary Pricing Supplement, dated May 10, 2006, and the MTN Prospectus Supplement, General Prospectus Supplement and Prospectus, each dated March 31, 2006 (incorporated by reference to registrant's filing pursuant to Rule 424(b)). 99 (B) Form of Note. 99 (C) Copy of Indenture between Merrill Lynch & Co., Inc. and JPMorgan Chase Bank, N.A., dated as of April 1, 1983, as amended and restated.* - --------- * Exhibit 99 (C) is incorporated by reference from Exhibit (3) to Registrant's Registration Statement on Form 8-A dated July 20, 1992. 2