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: 1598 DATED: OCTOBER 14, 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: Three Month TRADE DATE: October 14, 1997 SETTLEMENT DATE: October 17, 1997 MATURITY DATE: October 19, 1998 REDEMPTION DATE: N/A OPTIONAL REPAYMENT DATES: N/A SPREAD: -0.080% (minus eight bps) SPREAD MULTIPLIER: N/A MAXIMUM INTEREST RATE: N/A MINIMUM INTEREST RATE: N/A INTEREST RESET DATES: Quarterly INTEREST PAYMENT DATES: January 19, 1998, April 19, 1998, July 19, 1998 and Maturity, subject to Modified Following Business Day Convention. INITIAL INTEREST RATE: 5.68% FORM: Book-entry