PRICING SUPPLEMENT File No. 333-122639
(To Prospectus Supplement and Prospectus Rule 424(b)(3)
dated February 25, 2005) Pricing Supplement Number: 2478
Merrill Lynch & Co., Inc.
Medium-Term Notes, Series C
Due Nine Months or More from Date of Issue
Floating Rate Notes
Principal Amount: $650,000,000 Original Issue Date: October 27, 2005
CUSIP Number: 59018YWF4 Stated Maturity Date: October 27, 2008
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:
|x| LIBOR |_| Commercial Paper Rate
|_| CMT Rate |_| Eleventh District Cost of Funds Rate
|_| Prime Rate |_| CD Rate
|_| Federal Funds Rate |_| Other (see attached)
|_| Treasury Rate
Designated CMT Page: Designated LIBOR Page:
CMT Moneyline Telerate Page: LIBOR Moneyline Telerate Page: 3750
LIBOR Reuters Page:
Index Maturity: Three Months Minimum Interest Rate: Not Applicable
Spread: + 0.09% 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: Quarterly, on the 27th of January, April, July and October, commencing on January 27, 2006,
subject to modified following Business Day convention.
Interest Payment Dates: Quarterly, on the 27th of January, April, July and October, commencing on January 27, 2006,
subject to modified following Business Day convention.
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
LaSalle Financial Services, Inc. (the "Underwriters"), are acting as principals in this
transaction. MLPF&S is acting as the Lead Underwriter.
Pursuant to an agreement, dated October 24, 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 $637,000,000
Incorporated
HSBC Securities (USA) Inc. $6,500,000
LaSalle Financial Services, Inc. $6,500,000
Total $650,000,000
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: 0.25%
Dated: October 24, 2005