Webcast Alert: Lyondell President & Chief Executive Officer to Address Goldman, Sachs & Company

Webcast Alert: Lyondell President & Chief Executive Officer to
Address Goldman, Sachs & Company 


HOUSTON, May 5  /PRNewswire-FirstCall/ -- Dan F. Smith, President and Chief
Executive Officer of Lyondell Chemical Company , will address analysts at the
following event:

   Analyst               Goldman, Sachs & Company 12th Annual Cyclicals and
   Conference:           Specialty Materials Forum;
                         Wednesday, May 19, 2004, at 10:30 a.m. Eastern

                         Time.

   Web Site Access:      Live audio-only webcasting will be provided in
                         RealPlayer(TM) and Windows Media formats.  At 10:30

                         a.m. Eastern Time on the day of the event, the
                         webcast can be accessed at
                         http://www.lyondell.com/investorpresentations .

                         The replay webcast will be available at
                         http://www.lyondell.com/investorpresentations
beginning at

                         2:00 p.m. EDT on May 19.  The replay will be
                         available for six months.

   Presentation:         The slides will be available at the time of the
                         presentation and afterwards at
                         http://www.lyondell.com/investorpresentations .

   Related Disclosures:  Reconciliations of non-GAAP financial measures to
                         GAAP financial measures and any other applicable
                         disclosures (including the slides) will be
                         available at the time of the presentation and
                         afterwards at
                         http://www.lyondell.com/investorpresentations .

  ABOUT LYONDELL


Lyondell Chemical Company, (http://www.lyondell.com/ ), headquartered in
Houston, Texas, is a leading producer of: propylene oxide (PO); PO derivatives,
propylene glycol (PG), butanediol (BDO) and propylene glycol ether (PGE); and
styrene monomer and MTBE as co-products of PO production.  Through its 70.5%
interest in Equistar Chemicals, LP, Lyondell also is one of the largest
producers of ethylene, propylene and polyethylene in North America and a
leading producer of ethylene oxide, ethylene glycol, high value-added specialty
polymers and polymeric powder.  Through its 58.75% interest in LYONDELL-CITGO
Refining LP, Lyondell is one of the largest refiners in the United States
processing extra heavy Venezuelan crude oil to produce gasoline, low sulfur
diesel and jet fuel. 

DATASOURCE: Lyondell Chemical Company



CONTACT:  media, Susan P. Moore, [phone], or investors, Douglas

J. Pike, [phone], both of Lyondell Chemical Company



Web site:  http://www.lyondell.com/

http://www.lyondell.com/investorpresentations 

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