FILE NO. 333-28537 RULE 424(B)(3) PROSPECTUS SUPPLEMENT (TO PROSPECTUS DATED JULY 7, 1997) (TO PROSPECTUS SUPPLEMENT DATED JULY 7, 1997) PROSPECTUS NUMBER: 1619 DATED: DECEMBER 3, 1997 MERRILL LYNCH & CO., INC. MEDIUM-TERM NOTES, SERIES B DUE NINE MONTHS OR MORE FROM DATE OF ISSUE FLOATING RATE NOTES
BASE RATE: LIBOR INDEX MATURITY: One Month TRADE DATE: December 3, 1997 SETTLEMENT DATE: December 8, 1997 MATURITY DATE: January 4, 1999 REDEMPTION DATE: N/A OPTIONAL REPAYMENT DATES: N/A SPREAD: -0.040% (minus four bps) COMMISSION: 0.075% SPREAD MULTIPLIER: N/A MAXIMUM INTEREST RATE: N/A MINIMUM INTEREST RATE: N/A INTEREST RESET DATES: Monthly INTEREST PAYMENT DATES: The 4th of each month commencing January 1998 through Maturity, subject to Modified Following Business Day Convention. INITIAL INTEREST RATE: 5.96% FORM: Book-entry