HOUSTON, Sept. 16 /PRNewswire-FirstCall/ -- Dan F. Smith, President and Chief Executive Officer of Lyondell Chemical Company (NYSE: LYO), will address financial analysts at the following event:

     Analyst
     Conference:         Credit Suisse First Boston 15th Annual Chemical
                         Conference in New York City, NY
                         Tuesday, September 24, 2002, at 11:30 a.m. Eastern
                         Time

     Web Site Access:    Live, audio-only webcasting will be provided -- in
                         RealPlayer(TM) and Windows Media formats.  At
                         11:30 a.m. Eastern Time on the day of the event, the
                         webcast can be accessed at www.lyondell.com .

     Presentation:       The slides will be available at the time of the
                         presentation and afterwards at www.lyondell.com ,
                         Investor Relations - Financial News - Investor
                         Presentations.

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SOURCE Lyondell Chemical Company
Web site: http: //www.lyondell.com
Photo: NewsCom: http: //www.newscom.com/cgi-bin/prnh/20000921/LYOLOGO AP Archive: http://photoarchive.ap.org PRN Photo Desk, +1-888-776-6555 or +1-212-782-2840
Company News On-Call: http: //www.prnewswire.com/comp/137787.html
CONTACT: media, Anne Knisely, +1-713-309-2643, or investors, Douglas Pike, +1-713-309-7141, both of Lyondell Chemical Company
CAPTION: LYOLOGO LYONDELL LOGO Lyondell Logo. (PRNewsFoto)[PM] HOUSTON, TX USA 09/21/2000