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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: 1870
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 2Y9
INTEREST RATE: 6.75000%
ORIGINAL ISSUE DATE: June 22, 1999
STATED MATURITY DATE: June 22, 2009
INTEREST PAYMENT DATES: 22nd day of each month commencing July 22, 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: June 22, 2004
OTHER PROVISIONS: The Notes are subject to redemption at the option ML&Co., in whole, semi-
annually on each June 22 and December 22 commencing June 22, 2004, 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: June 8, 1999
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