LIMITED PARTNERSHIP INTEREST PURCHASE AND SALE AGREEMENT (this "Agreement") dated as of March 31, 2000, among Lyondell SAT, Inc. ("Lyondell PO --------- ----------- LP"), a Delaware corporation, Lyondell POTechLP, Inc. ("Lyondell Tech LP"), a --...Limited Partnership Interest Purchase and Sale Agreement • April 14th, 2000 • Lyondell Chemical Co • Petroleum refining
