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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: 1627
DATED: DECEMBER 23, 1997
MERRILL LYNCH & CO., INC.
MEDIUM-TERM NOTES, SERIES B
DUE NINE MONTHS OR MORE FROM DATE OF ISSUE
FLOATING RATE NOTES
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<S> <C>
BASE RATE: Fed Funds (Prior Day Effective)
INDEX MATURITY: One Day
TRADE DATE: December 23, 1997
SETTLEMENT DATE: December 30, 1997
MATURITY DATE: January 4, 1999
REDEMPTION DATE: N/A
OPTIONAL REPAYMENT DATES: N/A
SPREAD: 0.080% (plus eight bps)
COMMISSION 0.075%
SPREAD MULTIPLIER: N/A
MAXIMUM INTEREST RATE: N/A
MINIMUM INTEREST RATE: N/A
INTEREST RESET DATES: Daily
INTEREST PAYMENT DATES: March 26, 1998, June 26, 1998, September 25, 1998, December 28, 1998 and
Maturity, subject to Following Business Day Convention.
COMMENTS Put Provisions: Investor has a right to put the Note to ML&Co. at Par on each
Interest Payment Date, subject to providing 14 calendar days notice of
exercising the put option.
INITIAL INTEREST RATE: TBD, December 30, 1997
FORM: Book-entry
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