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: 1981
Merrill Lynch & Co., Inc.
Medium Term Notes, Series B
Due Nine Months or More from Date of Issue
Callable Fixed Rate Notes
Principal Amount: $20,000,000
CUSIP Number: 59018S7G3
Interest Rate: 7.85000%
Original Issue Date: June 21, 2000
Stated Maturity Date: June 21, 2010
Interest Payment Dates: 21st day of each month commencing July 21, 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: June 21, 2001
Other Provisions: This Note is subject to redemption at the option
of the Company, in whole, on any Interest Payment
Date occuring in June or December commencing on
or after the Interest Payment Date in June 2001,
(the "Redemption Date") at the Redemption Price
(as defined below) together with interest thereon
payable to the Redemption Date, on notice given,
not 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: June 7, 2000
