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.) World Financial Center North Tower 250 Vesey Street New York, New York 10281 ---------------------- ---------- (Address of principal executive offices) (Zip Code) If this form relates to the If this form relates to the registration of a class of securities registration of a class of pursuant to Section 12(b) of the securities pursuant to Exchange Act and is effective pursuant Section 12(g) of the Exchange to General Instruction A.(c), please Act and is effective pursuant check the following box. [X] to General Instruction A.(d), please check the following box. [_] Securities Act registration statement file number to which this form relates: 333-68747 --------- 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 ------------------- ------------------------------ Nikkei 225 Market Index Target-Term Securities(R) due August 4, 2006 American Stock Exchange Securities to be registered pursuant to Section 12(g) of the Act: None --------------------------------------------------------- (Title of class) "Market Index Target-Term Securities" and "MITTS" are registered service marks owned by Merrill Lynch & Co., Inc. Item 1. Description of Registrant's Notes to be Registered. -------------------------------------------------- The description of the general terms and provisions of the Nikkei 225 Market Index Target-Term Securities ("MITTS(R)") due August 4, 2006 to be issued by Merrill Lynch & Co., Inc. (the "Notes") set forth in the Preliminary Prospectus Supplement dated June 22, 1999, and the Prospectus dated May 6, 1999, attached hereto as Exhibit 99(A) are hereby incorporated by reference and contain certain proposed terms and provisions. The description of the Notes contained in the Prospectus Supplement to be filed pursuant to Rule 424(b) under the Securities Act of 1933, as amended, under Registration Statement Number 333- 68747 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 Prospectus Supplement dated June 22, 1999, and Prospectus dated May 6, 1999, (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 The Chase Manhattan Bank, formerly Chemical Bank (successor by merger to Manufacturers Hanover Trust Company), 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/ Andrea L. Dulberg ________________________________ Andrea L. Dulberg Secretary Date: July 29, 1999 3 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 MERRILL LYNCH & CO., INC. EXHIBITS TO FORM 8-A DATED JULY 29, 1999 INDEX TO EXHIBITS ----------------- Exhibit No. - ---------- 99 (A) Preliminary Prospectus Supplement dated June 22, 1999, and Prospectus dated May 6, 1999 (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 The Chase Manhattan Bank, formerly Chemical Bank (successor by merger to Manufacturers Hanover Trust Company), 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