PROSPECTUS SUPPLEMENT FILE NO. 333-59997 (TO THE PROSPECTUS AND PROSPECTUS SUPPLEMENT DATED JULY 30, 1998) RULE 424(B)(3) PROSPECTUS NUMBER: 1840
MERRILL LYNCH & CO., INC. MEDIUM-TERM NOTES, SERIES B DUE NINE MONTHS OR MORE FROM DATE OF ISSUE FLOATING RATE NOTES
PRINCIPAL AMOUNT: $135,000,000 ORIGINAL ISSUE DATE: February 5, 1999 CUSIP NUMBER: 59018S Z31 STATED MATURITY DATE: February 5, 2001 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: /x/ LIBOR / / COMMERCIAL PAPER RATE / / CMT RATE / / ELEVENTH DISTRICT COST OF FUNDS RATE / / PRIME RATE / / CD RATE / / FEDERAL FUNDS RATE / / OTHER (SEE ATTACHED) / / TREASURY RATE DESIGNATED CMT PAGE: DESIGNATED LIBOR PAGE: CMT TELERATE PAGE: LIBOR TELERATE PAGE: 3750 CMT REUTERS PAGE: LIBOR REUTERS PAGE: INDEX MATURITY: Three Months MINIMUM INTEREST RATE: Not Applicable SPREAD: 0.220% MAXIMUM INTEREST RATE: Not Applicable INITIAL INTEREST RATE: TBD SPREAD MULTIPLIER: Not Applicable INTEREST RESET DATES: Quarterly, on the 5th of February, May, August and November, commencing May 5, 1999; subject to modified following business day convention. INTEREST PAYMENT DATES: Quarterly, on the 5th of February, May, August and November, commencing May 5, 1999; subject to modified 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: February 1, 1999