HOUSTON, March 1 /PRNewswire-FirstCall/ -- Karen Twitchell, Vice President and Treasurer of Lyondell Chemical Company (NYSE: LYO), will address financial analysts at the following event:

     Analyst
     Conference:        Lehman Brothers 2002 High Yield Bond and Leveraged
                        Loan Conference in Orlando, Florida
                        Wednesday, March 6, 2002, at 1:20 p.m. Eastern
                        Standard Time

     Telephone Access:  The audio-only teleconference can be accessed by
                        dialing (800) 542-1365.  Ms. Twitchell will present
                        from 1:20 p.m. to 2:05 p.m.

                        A replay of the audio-only broadcast will be available
                        for seven days following the presentation at
                        (800) 542-1365.

                        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