In the news release, Webcast Alert: Lyondell Chemical Company (NYSE: LYO) Announces Third-Quarter 2002 Teleconference Schedule, issued yesterday, Oct. 29, by Lyondell Chemical Company over PR Newswire, we are advised by the company that the International phone number in the "Telephone Replay" section should read "402-220-5338" rather than "402-220-5388" as originally issued inadvertently. Complete, corrected release follows:

Webcast Alert: Lyondell Chemical Company Announces Third-Quarter 2002 Teleconference Schedule

HOUSTON, Oct. 2 -- Lyondell Chemical Company (NYSE: LYO) announced the following schedule and contact information for its third-quarter earnings release and teleconference:

     Earnings Release:  October 31, 2002
                        8:30 a.m. Eastern Time
                        By PR Newswire distribution and Lyondell web site at
                        www.lyondell.com .

     Teleconference:    October 31, 2002
                        11 a.m. Eastern Time
                        Hosted by Doug Pike, Director, Investor Relations, and
                        Kevin DeNicola, Senior Vice President and Chief
                        Financial Officer.
                        Listen-only mode via telephone and Internet broadcast
                        on Lyondell's web site at www.lyondell.com or
     http://www.firstcallevents.com/service/ajwz366506284gf12.html .

     Dial-In Numbers:   U.S. Toll Free: 888-820-8951
                        International: 212-547-0138
                        Please call 10 to 15 minutes before the scheduled
                        start of the teleconference.  Pass code: Lyondell

     Web Replay:        Will be available at 1 p.m. ET on October 31 at
                        www.lyondell.com .

     Telephone Replay:  Will be available from 1 p.m. ET October 31 to
                        5 p.m. ET November 8.  The dial-in numbers are:
                        United States: 800-879-7371, Pass Code 5549
                        International:  402-220-5338, Pass Code 5549

• (Minimum Requirements to listen to broadcast: The Windows Media Player software, downloadable free from http://www.microsoft.com/windows/windowsmedia/EN/default.asp , and at least a 28.8Kbps connection to the Internet. The RealPlayer software, downloadable free from www.real.com/products/player/index.html , and at least a 28.8Kbps connection to the Internet. If you experience problems listening to the broadcast, send an email to webcastsupport@tfprn.com .)