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: 1612A DATED: NOVEMBER 17, 1997 MERRILL LYNCH & CO., INC. MEDIUM-TERM NOTES, SERIES B DUE NINE MONTHS OR MORE FROM DATE OF ISSUE FLOATING RATE NOTES
BASE RATE: Prime (Prior Day H.15) INDEX MATURITY: One Day TRADE DATE: November 17, 1997 SETTLEMENT DATE: November 21, 1997 MATURITY DATE: November 23, 1998 REDEMPTION DATE: N/A OPTIONAL REPAYMENT DATES: N/A SPREAD: -2.800% SPREAD MULTIPLIER: N/A MAXIMUM INTEREST RATE: N/A MINIMUM INTEREST RATE: N/A INTEREST RESET DATES: Daily INTEREST PAYMENT DATES: The 23rd of February, May, August and November commencing February 1998 through Maturity subject to Following Business Day Convention. INITIAL INTEREST RATE: 5.70% FORM: Book-entry