PRICING SUPPLEMENT File No. 333-122639 - ---------------------- Rule 424(b)(3) (To Prospectus Supplement and Prospectus dated February 25, 2005) Pricing Supplement Number: 2453 Merrill Lynch & Co., Inc. Medium-Term Notes, Series C Due Nine Months or More from Date of Issue
Floating Rate Notes Principal Amount: $450,000,000 Original Issue Date: July 6, 2005 CUSIP Number: 59018YVP3 Stated Maturity Date: July 6, 2007 Issue Price: 100% Interest Calculation: Day Count Convention: - --------------------- --------------------- |x| Regular Floating Rate Note |x| Actual/360 |_| Inverse Floating Rate Note |_| 30/360 (Fixed Interest Rate): |_| Actual/Actual Interest Rate Basis: |_| LIBOR |_| Commercial Paper Rate |_| CMT Rate |_| Eleventh District Cost of Funds Rate |_| Prime Rate |_| CD Rate |x| Federal Funds Open Rate |_| Other (see attached) |_| Treasury Rate Designated CMT Page: Designated LIBOR Page: CMT Telerate Page: LIBOR Telerate Page: CMT Reuters Page: LIBOR Reuters Page: Index Maturity: One Day Minimum Interest Rate: Not Applicable Spread: Plus 0.13% Maximum Interest Rate: Not Applicable Initial Interest Rate: Calculated as if the Original Issue Spread Multiplier: Not Applicable Date was an Interest Reset Date Interest Reset Dates: Each Business Day, commencing July 7, 2005 to but excluding the Stated Maturity Date, subject to the following Business Day convention Interest Payment Dates: Quarterly, on the 6th of January, April, July and October commencing October 6, 2005, subject to the following Business Day convention Fed Funds Open Rate: The rate for an Interest Reset Date shall be the rate set forth on Telerate Page 5 for that day underneath the caption "FEDERAL FUNDS" in the row titled "OPEN". If the rate is not available for an Interest Reset Date, the rate for that Interest Reset Date shall be the Federal Funds Effective rate as published in the H.15 Daily Update. Repayment at the Option of the Holder: The Notes cannot be repaid prior to the Stated Maturity Date. Redemption at the Option of the Company: The Notes cannot be redeemed prior to the Stated Maturity Date. Form: The Notes are being issued in fully registered book-entry form. Trustee: JPMorgan Chase Bank, N.A. Underwriters: Merrill Lynch, Pierce, Fenner & Smith Incorporated ("MLPF&S"), HSBC Securities (USA) Inc. and ABN AMRO Incorporated (the "Underwriters"), are acting as principals in this transaction. MLPF&S is acting as the Lead Underwriter. Pursuant to an agreement, dated June 29, 2005 (the "Agreement"), between Merrill Lynch & Co., Inc. (the "Company") and the Underwriters, the Company has agreed to sell to each of the Underwriters and each of the Underwriters has severally and not jointly agreed to purchase the principal amount of Notes set forth opposite its name below: Underwriters Principal Amount of the Notes ------------ ----------------------------- Merrill Lynch, Pierce, Fenner & Smith $441,000,000 Incorporated ABN AMRO Incorporated $4,500,000 HSBC Securities (USA) Inc. $4,500,000 ---------- Total $450,000,000 Pursuant to the Agreement, the obligations of the Underwriters are subject to certain conditions and the Underwriters are committed to take and pay for all of the Notes, if any are taken. The Underwriters have advised the Company that they propose initially to offer all or part of the Notes directly to the public at the Issue Price listed above. After the initial public offering, the Issue Price may be changed. The Company has agreed to indemnify the Underwriters against certain liabilities, including liabilities under the Securities Act of 1933, as amended. Underwriting Discount: 0.175% Dated: June 29, 2005