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: 1541 DATED: JULY 15, 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: July 15, 1997 SETTLEMENT DATE: July 18, 1997 MATURITY DATE: July 20, 1997 REDEMPTION DATE: N/A OPTIONAL REPAYMENT DATES: N/A SPREAD: -0.070% SPREAD MULTIPLIER: N/A MAXIMUM INTEREST RATE: N/A MINIMUM INTEREST RATE: N/A INTEREST RESET DATES: Quarterly INTEREST PAYMENT DATES: The 20th of October, January, April and July, commencing October 1997 INITIAL INTEREST RATE: 5.68% FORM: Book-entry