HOUSTON, Feb. 21 /PRNewswire-FirstCall/ -- W. Norman Phillips, Senior Vice President, Polymers of Equistar Chemicals LP, in which Lyondell Chemical Company (NYSE: LYO) has a 41 percent equity interest, will address financial analysts at the following event:

     Analyst
     Conference:       UBS Warburg Grass Roots Chemical Conference in
                       New Orleans Tuesday, Feb. 26, 2002, at 11:35 a.m.
                       Central Standard Time

     Web Site Access:  Live, audio-only webcasting will be provided - in
                       RealPlayer(TM) and Windows Media formats.  At
                       11:35 a.m. on the day of the event, the webcast can be
                       accessed at www.lyondell.com .

                       A replay of the presentation will be available
                       at Lyondell's web site at www.lyondell.com .

                       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.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, Patrick Quarles, +1-713-309-7141, both of Lyondell Chemical Company
CAPTION: LYOLOGO LYONDELL LOGO Lyondell Logo. (PRNewsFoto)[PM] HOUSTON, TX USA 09/21/2000