PROSPECTUS SUPPLEMENT File No. 333-68747
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(To Prospectus and Prospectus Supplement dated May 6,1999) Rule 424(b)(3)
Prospectus number: 1910
Merrill Lynch & Co., Inc.
Medium-Term Notes, Series B
Due Nine Months or More from Date of Issue
Floating Rate Notes
Principal Amount: $100,000,000 Original Issue Date: March 3, 2000
CUSIP Number: 59018S 4J0 Stated Maturity Date: March 7, 2001
Interest Calculation: Day Count Convention:
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x Regular Floating Rate Note x Actual/360
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Inverse Floating Rate Note 30/360
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(Fixed Interest Rate): Actual/Actual
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Interest Rate Basis:
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x LIBOR Commercial Paper Rate
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CMT Rate Eleventh District Cost of Funds
----- Rate
-----
Prime Rate CD Rate
----- -----
Federal Funds Rate Other (see attached)
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Treasury Rate
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Designated CMT Page: Designated LIBOR Page:
CMT Telerate Page: LIBOR Telerate Page: 3750
CMT Reuters Page: LIBOR Reuters Page:
Index Maturity: One Month Minimum Interest Rate: Not Applicable
Spread: -0.040% Maximum Interest Rate: Not Applicable
Initial Interest Rate: TBD Spread Multiplier: Not Applicable
Interest Reset Dates: Monthly, on the 7th, commencing April 7, 2000;
subject to modified following business day
convention.
Interest Payment Dates: Monthly, on the 7th, commencing April 7, 2000,
long first coupon; 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: The Chase Manhattan Bank
Dated: February 29, 2000
