FILE NO. 333-13649 RULE 424(B)(3) PROSPECTUS SUPPLEMENT (TO PROSPECTUS DATED JULY 7, 1997) (TO PROSPECTUS SUPPLEMENT DATED JULY 7, 1997) PROSPECTUS NUMBER: 1607 DATED: OCTOBER 31, 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 3 Month TRADE DATE: October 31, 1997 SETTLEMENT DATE: November 5, 1997 MATURITY DATE: November 5, 1999 REDEMPTION DATE: N/A OPTIONAL REPAYMENT DATES: N/A SPREAD: -0.010% SPREAD MULTIPLIER: N/A MAXIMUM INTEREST RATE: N/A MINIMUM INTEREST RATE: N/A INTEREST RESET DATES: Quarterly INTEREST PAYMENT DATES: Quarterly on the 5th of February, May, August and November, through Maturity, subject to Modified Following Business Day Convention. INITIAL INTEREST RATE: 5.74% FORM: Book-entry