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FILE NO. 333-68747
RULE 424(B)(3)
PROSPECTUS SUPPLEMENT
(TO PROSPECTUS AND PROSPECTUS SUPPLEMENT DATED MAY 6, 1999)
PROSPECTUS NUMBER: 1878
MERRILL LYNCH & CO., INC.
MEDIUM-TERM NOTES, SERIES B
DUE NINE MONTHS OR MORE FROM DATE OF ISSUE
CALLABLE FIXED RATE NOTES
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PRINCIPAL AMOUNT: $25,000,000
CUSIP NUMBER: 59018S 3F9
INTEREST RATE: 7.00000%
ORIGINAL ISSUE DATE: July 28, 1999
STATED MATURITY DATE: July 28, 2011
INTEREST PAYMENT DATES: 28th day of each month commencing August 28, 1999, through and including
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: July 28, 2003
OTHER PROVISIONS: The Notes are subject to redemption at the option ML&Co., in whole, semi-
annually on each January 28 and July 28 commencing July 28, 2003, at a
redemption price equal to 100% of the principal amount of the Notes upon at
least 30 days prior notice.
FORM: The Notes are being issued in fully registered book-entry form.
TRUSTEE: The Chase Manhattan Bank
DATED: July 12, 1999
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