LyondellBasell Declares Quarterly Dividend    ROTTERDAM, Netherlands, March 12, 2012 /PRNewswire via COMTEX/ -- LyondellBasell  (LYB) today announced that its Management Board has declared an interim dividend  of $0.25 per share payable on March 30, 2012 to shareholders of record on March  12, 2012.    The company announced on Feb. 29, 2012 that its Supervisory Board had authorized  the Management Board to declare the dividend.    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 parts, 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