| LyondellBasell to Discuss First-Quarter 2012 Results on April 30 
 ROTTERDAM, Netherlands, April 23, 2012 /PRNewswire via COMTEX/ -- LyondellBasell
 (LYB) will announce its first quarter 2012 financial results before the U.S.
 market opens on Monday, April 30, 2012, and will hold a conference call to
 discuss first quarter results at 12 p.m. EDT that same day.
 
 Details:Monday, April 30, 201212 p.m. EDT Hosted by Doug Pike, Vice President,
 Investor Relations
 
 Toll-Free Teleconference Numbers:United States: 888-606-9542London:
 0800-279-9630Netherlands: 0800-343-4364Pass Code: 1037125Go to
 lyondellbasell.com for a complete listing of toll-free
 numbers by country.
 
 Slides:Slides will be available at the time of the presentation and afterward at
 lyondellbasell.com.
 
 Telephone Replay:Telephone replay will be available from 3 p.m. EDT on April 30
 until 11 p.m. EDT on May 30.
 
 The replay dial-in numbers are:United States: 866-489-3828 Passcode:
 2121International: 203-369-1672 Passcode: 2121
 
 LyondellBasell (LYB) is one of the world's largest plastics, chemical and
 refining companies. The company manufactures products at 58 sites in 18
 countries. LyondellBasell products and technologies are used to make items that
 improve the quality of life for people around the world including packaging,
 electronics, automotive components, home furnishings, construction materials and
 biofuels. More information about LyondellBasell can be found at
 lyondellbasell.com.
 
 Media Contact: David A. Harpole +1 713-309-4125 Investor Contact: Douglas J. Pike
 +1 713-309-7141
 
 SOURCE LyondellBasell
 |