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PROSPECTUS DATED MARCH 12, 1999 PRICING SUPPLEMENT NO. 23 TO
PROSPECTUS SUPPLEMENT REGISTRATION STATEMENT NO. 333-73405
DATED APRIL 15, 1999 DECEMBER 14, 1999
RULE 424(b)(3)
Donaldson, Lufkin & Jenrette, Inc.
MEDIUM-TERM NOTES
Due Nine Months or More from Date of Issue
The Medium-Term Notes, as further described below and in the Prospectus
Supplement under Description Notes, will bear interest from the date of issuance
until the principal amount thereof is paid or made available for payment at the
rate set forth below.
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<S> <C> <C> <C>
Principal Amount: $40,000,000 Optional Conversion: N / A
Price To Public: 100.0000% Optional Repayment Non-Call / Life
Date:
Underwriting Discount: .1500%
Proceeds To Issuer: 99.8500% Business Day New York
Jurisdiction:
Settlement Date December 17, 1999 Initial Redemption N / A
(Original Issue Date): Percentage:
Specified Currency: US Dollars Initial Redemption N / A
Date:
Authorized Denomination: $1,000 Annual Redemption N / A
Percentage Reduction:
Maturity Date: January 17, 2001 Book Entry Note or B / E
Certificated Note:
Interest Rate: 1 month USD Libor
+ 18 basis points
Interest Payment Dates: Monthly, 17th day Total Amount of OID: N / A
of each month or
as modified
Interest Determination 2 business days Day Count: Act/360
Date: prior to the
Interest Payment
Dates
CUSIP: 25766CBR4
First Interest Date: January 18, 2000
Paying Agent: The Chase
Manhattan Bank
Settlement: DTC#: 443
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Capitalized terms not defined above have the meanings given to such terms in the
accompanying Prospectus Supplement.
DONALDSON, LUFKIN & JENRETTE
SECURITIES CORPORATION
