HOUSTON, May 15 /PRNewswire/ -- Lyondell Chemical Company (NYSE: LYO) announced that Dan F. Smith, President and Chief Executive Officer, will address financial analysts at the following event:

    Analysts Conference:  Goldman Sachs Chemical Investor Forum in
                          Palm Beach, Florida
                          Wednesday, May 23, 2001 at 11:15 a.m. Eastern Time.


    Web Site Access:      Live, audio-only webcasting will be provided -- in
                          RealPlayer(TM) format -- by Goldman Sachs at the
                          following web address: www.gs.com/ir/conf/4
                          User name: conference/conf4
                          Password: basic

                          A replay of the presentation will be available at
                          the Goldman Sachs web site for two months following
                          the event.

                          The slides will be available at the time of the
                          presentation and afterwards at www.lyondell.com,
                          investor relations - presentations section.

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SOURCE Lyondell Chemical Company
Web site: http: //www.gs.com/ir/conf/4 http://www.lyondell.com
Photo: NewsCom: http: //www.newscom.com/cgi-bin/prnh/20000921/LYOLOGO AP Archive: http://photoarchive.ap.org PRN Photo Desk, 888-776-6555 or 201-369-3467
CONTACT: media, Marvin Brown, 713-309-2643, or investors, Investor Relations, 713-652-4590, both of Lyondell Chemical Company
CAPTION: LYOLOGO LYONDELL LOGO Lyondell Logo. (PRNewsFoto)[PM] HOUSTON, TX USA 09/21/2000