<PAGE>
FILE NO. 333-13649
RULE 424(B)(3)
PROSPECTUS SUPPLEMENT
(TO PROSPECTUS DATED JANUARY 6, 1997)
(TO PROSPECTUS SUPPLEMENT DATED JANUARY 6, 1997)
PROSPECTUS NUMBER: 1503
DATED: APRIL 30, 1997 (REVISED)
MERRILL LYNCH & CO., INC.
MEDIUM-TERM NOTES, SERIES B
DUE NINE MONTHS OR MORE FROM DATE OF ISSUE
FLOATING RATE NOTES
<TABLE>
<CAPTION>
<S> <C>
BASE RATE: LIBOR
INDEX MATURITY: Three Months
TRADE DATE: April 30, 1997
SETTLEMENT DATE: May 7, 1997
MATURITY DATE: May 8, 2001
REDEMPTION DATE: N/A
OPTIONAL REPAYMENT DATES: N/A
SPREAD: 0.110%
(Plus eleven bps)
SPREAD MULTIPLIER: N/A
MAXIMUM INTEREST RATE: N/A
MINIMUM INTEREST RATE: N/A
INTEREST RESET DATES: Quarterly, using two business days prior.
INTEREST PAYMENT DATES: The seventh of February, May, August, and November, commencing August 7,
1997, through the Maturity Date; subject to modified following business
day convention. (Long last coupon)
INITIAL INTEREST RATE: 5.93031%
FORM: Book-entry
</TABLE>
