Exhibit 2.1 Amendment No. 1 to Agreement and Plan of MergerAgreement and Plan of Merger • November 12th, 1999 • Atlantic Richfield Co /De • Petroleum refining
Contract Type FiledNovember 12th, 1999 Company Industry
OF MERGER AmongMerger Agreement • November 12th, 1999 • Atlantic Richfield Co /De • Petroleum refining • Delaware
Contract Type FiledNovember 12th, 1999 Company Industry Jurisdiction