May 16, 2007 -- U.S. Bank Trust National Association, as Trustee, under the Standard Terms for Trust Agreements dated as of January 16, 2001, as supplemented by the Series Supplement dated as of March 21, 2002, in respect of the Corporate Backed Trust Certificates, DaimlerChrysler Debenture-Backed Series 2002-4 Trust (NYSE:XKX) with Lehman ABS Corporation, as depositor, received notice that the call warrant holder has exercised its right to purchase the assets of the Trust on May 21, 2007. THE EXERCISE OF THE CALL WARRANTS IS CONDITIONAL UPON RECEIPT BY THE TRUSTEE OF THE WARRANT EXERCISE CALL PRICE WITH RESPECT TO SUCH EXERCISE ON THE REDEMPTION DATE. THERE CAN BE NO ASSURANCE THAT THE CALL WARRANTS WILL IN FACT BE EXERCISED ON THE REDEMPTION DATE. If the Trustee receives the call price by 10:00 a.m. (New York City time) on the Redemption Date, then the certificates issued by the Trust (the "Certificates") will be redeemed in full on the Redemption Date at a price of $25 principal plus $0.57291667 accrued interest per Certificate (the "Call Price"). No interest will accrue on the Certificates after the Redemption Date. If the Trustee does not receive the Call Price, then (i) the Certificates issued by the Trust will continue to accrue interest as if no exercise notice had been given and (ii) the call warrant holder may elect to deliver a conditional notice of exercise in the future. This press release is being issued by U.S. Bank Trust National Association as trustee of the Trust. For more information about this conditional redemption, please contact David J. Kolibachuk of U.S. Bank Trust National Association at 212-361-2459.

QUANTUMONLINE.COM SECURITY DESCRIPTION:  Lehman ABS Corp., 7.50% Corporate Backed Trust Certificates, DaimlerChrysler Debenture-Backed Series 2002-4, price to the public $25 per certificate. Underlying securities are the 7.45% Debentures due 2097 and the 7.40% Debentures due 2097 issued by DaimlerChrysler Corp. (NYSE: DCX). The certificates pay 7.50% ($1.875) per annum distributions semiannually on 2/1 & 8/1 to holders of record on the day immediately preceding the payment date. Certificates are callable at the option of the call warrant holder on or after 3/21/2007 at $25 per certificate plus accrued and unpaid interest. Certificate ratings at the IPO were BBB+ by S&P and A3 by Moody's. Lehman ABS Corp. is an indirect wholly-owned subsidiary of Lehman Brothers Inc. (NYSE: LEH). For further information on the Corporate Backed Trust Certificates, see the IPO Prospectus by clicking on the ‘Link to IPO Prospectus’ provided below.

Stock Exchange	Cpn Rate Ann Amt	LiqPref CallPrice	Call Date Matur Date	Moodys/S&P Dated	Distribution Dates	15% Tax Rate
NYSE Chart	7.50% $1.875	$25.00 $25.00	Called for 5/21/2007 8/01/2097	Baa1 BBB 3/05/2007	2/1 & 8/1 Click for MW ExDiv Date Click for Yahoo ExDiv Date	No

Company's Online Information Links

HOME PAGE:     http://www.lehman.com/ (This parent company URL is for reference only and does not have specific information on the security.)

Company's Online SEC EDGAR Filings

Company's SEC EDGAR Filings

Go to SEC Filings

Address and Phone Numbers

Address:   200 Vesey Street, 24th Floor, New York, NY 10285
Main Phone Number	212-526-7000
Fax Number	212-526-3738
Toll Free Phone Number	800-666-2388