PROSPECTUS SUPPLEMENT File No. 333-68747
(To Prospectus and Prospectus Supplement dated May 6, 1999) Rule 424(b)(3)
Prospectus number: 1976
Merrill Lynch & Co., Inc.
Medium-Term Notes, Series B
Due Nine Months or More from Date of Issue
Floating Rate Notes
Principal Amount: $49,500,000 Original Issue Date: May 30, 2000
CUSIP Number: 59018S 7B4 Stated Maturity Date: May 30, 2003
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 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: N/A Minimum Interest Rate: Not Applicable
Spread: 0.450% Maximum Interest Rate: Not Applicable
Initial Interest Rate: TBD Spread Multiplier: Not Applicable
Interest Reset Dates: Daily, commencing May 30, 2000 through the maturity
date; subject to following business day convention
Interest Payment Dates: Quarterly, on the last business day of every February
and the 30th of every May, August and November,
commencing August 30, 2000, subject to 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: May 24, 2000
