Webcast Alert: LyondellBasell Announces First-Quarter 2008 Earnings Teleconference

May 16, 2008

HOUSTON, May 16 /PRNewswire-FirstCall/ -- LyondellBasell announced the following schedule and contact information for its first-quarter 2008 earnings teleconference:

  Webcast:             Tuesday, May 20, 2008
                       10:00 a.m. Eastern Time
                       Hosted by Doug Pike, Vice President, Investor
                       Listen-only mode via telephone and Internet
                       broadcast on LyondellBasell's web site at

  Numbers:             Go to http://www.lyondellbasell.com/teleconference
                       for a complete listing of toll-free numbers by
                       Pass Code: LyondellBasell

  Slides:              Slides will be available at the time of the
                       presentation and afterward at

  Web Replay:          Will be available by 4:00 p.m. Eastern Time on
                       May 20, 2008, at

  Telephone Replay:    Will be available from 1:00 p.m. Eastern Time on
                       May 20, 2008, to 4:30 p.m. Eastern Time on June 17,
                       The dial-in numbers are:
                       United States:   866-499-4546    Pass Code:  5549
                       International:   203-369-1804    Pass Code:  5549

  Disclosures:         Certain required reconciliations of non-GAAP
                       financial measures to GAAP financial measures and any
                       other applicable disclosures are available on

(Minimum requirements to listen to broadcast: the Windows Media Player software, downloadable free from http://www.microsoft.com/ and at least a 56 Kbps connection to the internet. If you experience problems listening to the webcast, send an E-mail to: webcast@multivu.com.

SOURCE: LyondellBasell Industries; Lyondell Chemical Company; Equistar

CONTACT: media, Susan P. Moore, +1-713-309-4645, or investors, Douglas
J. Pike, +1-713-309-4590, both for LyondellBasell Industries; Lyondell
Chemical Company; Equistar Chemicals, LP; Millennium Chemicals Inc.

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