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: 1947
Merrill Lynch & Co., Inc.
Medium-Term Notes, Series B
Due Nine Months or More from Date of Issue
Callable Fixed Rate Notes
Principal Amount: $15,000,000
CUSIP Number: 59018S 5X8
Interest Rate: 7.30000%
Original Issue Date: April 24, 2000
Stated Maturity Date: April 24, 2007
Interest Payment Dates: 24th day of each month commencing May 24, 2000
through the Stated Maturity Date, subject to the
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 may be redeemed prior to the Stated
Maturity Date, See "Other Provisions"
Initial Redemption Date: April 24, 2002
Other Provisions: This Note is subject to redemption at the option
of the Company, in whole, on any Interest Payment
Date occuring in April or October commencing on or
after the Interest Payment Date in April 2002,
(the "Redemption Date") at the Redemption Price
(as defined below) together with interest thereon
payable to the Redemption Date, on notice given,
not more than 60 nor less than 30 days prior to
the Redemption Date. The Redemption Price with
respect to this Note shall be 100% of the
principal amount of the Notes.
Form: The Notes are being issued in fully registered
book-entry form.
Trustee: The Chase Manhattan Bank
Dated: April 10, 2000
