LyondellBasell Announces Unscheduled Refinery Maintenance

March 21, 2008

HOUSTON, March 21 /PRNewswire/ -- LyondellBasell Industries announced today that its Houston refinery is conducting unplanned maintenance on its fluid catalytic cracking unit (FCCU). The unit is estimated to be out of service until mid-April. The 268,000 barrels per day refinery will operate at reduced rates during this outage.

LyondellBasell Industries is one of the world's largest polymers, petrochemicals and fuels companies. We are the global leader in polyolefins technology, production and marketing; a pioneer in propylene oxide and derivatives; a significant producer of advanced fuel products; and the owner of one of North America's largest full-conversion refineries. Through research and development, LyondellBasell develops innovative materials and technologies that deliver exceptional customer value and products that improve quality of life for people around the world. Headquartered in The Netherlands, LyondellBasell (http://www.lyondellbasell.com/) is privately owned by Access Industries.

SOURCE: LyondellBasell

CONTACT: David A. Harpole of LyondellBasell, +1-713-309-4125

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