SUPPLEMENT
                                      TO
                       SERIES SUPPLEMENT, SERIES 2001-11
                       ---------------------------------

          THIS SUPPLEMENT, dated as of May 30, 2001 (this "Supplement"), to
the Series Supplement, dated as of March 28, 2001, (the "Series Supplement")
between Lehman ABS Corporation, as depositor (the "Depositor") and U.S. Bank
Trust National Association, as the trustee (the "Trustee" and together with
the Depositor, the "Parties").

                             W I T N E S S E T H:
                             - - - - - - - - - -

          WHEREAS, the Parties entered into the Series Supplement for the
purpose of setting forth, among other things, certain supplemental information
with respect to the issuance of certificates initially designated Corporate
Backed Trust Certificates, Series 2001-11.

          NOW, THEREFORE, in consideration of the premises and the mutual
covenants herein contained, the Parties hereby agree as follows:

          1. Pursuant to Section 3(d)of the Series Supplement, the Depositor
hereby sells to the Trust an additional $6,900,000 of Underlying Securities
and the Trust hereby issues an additional 276,000 Class A-1 Certificates with
an initial aggregate Certificate Principal Amount of $6,900,000 and an
additional amount of Class A-2 Certificates with an initial notional balance
of $6,900,000 (the "Additional Certificates"). The Additional Certificates
shall have an original issue date of even date herewith but the Additional
Certificates shall accrue interest from March 28, 2001. The Trust is also
issuing call warrants with respect to the Additional Certificates (the
"Additional Call Warrants"). The descriptions of the Underlying Securities,
the Certificates and the Call Warrants in the Series Supplement, including the
Schedules and Exhibits thereto, shall be deemed to be amended mutatis
mutandis, and the Call Schedule attached to the Series Supplement is replaced
by Schedule I attached hereto.

          2. Effect of Supplement. Except as supplemented hereby, the Series
Supplement is ratified and confirmed and continues in full force and effect.

          3. Counterparts. This Supplement may be executed in any number of
counterparts, each of which shall be deemed to be an original, and all such
counterparts shall constitute but one and the same instrument.

          4. Governing Law. THIS SUPPLEMENT AND THE TRANSACTIONS DESCRIBED
HEREIN SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE
STATE OF NEW YORK APPLICABLE TO CONTRACTS MADE AND PERFORMED WITHIN THE STATE
OF NEW YORK, WITHOUT GIVING EFFECT TO THE CHOICE OF LAWS PROVISIONS THEREOF.

          IN WITNESS WHEREOF, the parties hereto have caused this Supplement
to be duly executed by their respective officers hereunto duly authorized, as
of the day and year first above written.

                                LEHMAN ABS CORPORATION

                                By:  /s/ Rene Canezin
                                   -----------------------------------------
                                    Name:   Rene Canezin
                                    Title:  Senior Vice President


                                U.S. BANK TRUST NATIONAL ASSOCIATION,
                                         not in its individual capacity
                                         but solely as Trustee on behalf
                                         of the Corporate Backed Trust
                                         Certificates Series, 2001-11
                                         Trust



                                By:  /s/ Marlene Fahey
                                   -----------------------------------------
                                    Name:   Marlene Fahey
                                    Title:  Vice President


<PAGE>

Aon Capital Corporation Retail Bond Upsize
Class "A-2" Tranche Call Schedule

                   Date          Ending Balance

         7/1/2001                $ 734,228
         1/1/2002                $ 730,903
         7/1/2002                $ 727,412
         1/1/2003                $ 723,746
         7/1/2003                $ 719,896
         1/1/2004                $ 715,855
         7/1/2004                $ 711,611
         1/1/2005                $ 707,155
         7/1/2005                $ 702,476
         1/1/2006                $ 697,564
         7/1/2006                $ 692,405
         1/1/2007                $ 686,989
         7/1/2007                $ 681,302
         1/1/2008                $ 675,331
         7/1/2008                $ 669,061
         1/1/2009                $ 662,478
         7/1/2009                $ 655,565
         1/1/2010                $ 648,307
         7/1/2010                $ 640,686
         1/1/2011                $ 632,683
         7/1/2011                $ 624,281
         1/1/2012                $ 615,459
         7/1/2012                $ 606,195
         1/1/2013                $ 596,468
         7/1/2013                $ 586,255
         1/1/2014                $ 575,532
         7/1/2014                $ 564,272
         1/1/2015                $ 552,449
         7/1/2015                $ 540,035
         1/1/2016                $ 527,000
         7/1/2016                $ 513,314
         1/1/2017                $ 498,943
         7/1/2017                $ 483,853
         1/1/2018                $ 468,010
         7/1/2018                $ 451,374
         1/1/2019                $ 433,906
         7/1/2019                $ 415,565
         1/1/2020                $ 396,306
         7/1/2020                $ 376,085
         1/1/2021                $ 354,853
         7/1/2021                $ 332,559
         1/1/2022                $ 309,151
         7/1/2022                $ 284,572
         1/1/2023                $ 258,794
         7/1/2023                $ 231,666
         1/1/2024                $ 203,212
         7/1/2024                $ 173,337
         1/1/2025                $ 141,967
         7/1/2025                $ 109,029
         1/1/2026                $  74,444
         7/1/2026                $  38,130
         1/1/2027                    --