Exhibit 99 Contact: Cynthia Langlands Exxon Mobil Corporation (972) 444-1107 FOR IMMEDIATE RELEASE Wednesday, November 13, 2002 EXXONMOBIL ANNOUNCES COMPLETION OF SALE OF COMPANIA MINERA DISPUTADA DE LAS CONDES IRVING, TX, November 13 -- Exxon Mobil Corporation ("ExxonMobil") today announced that its affiliates have completed the sale of Compania Minera Disputada De Las Condes Limitada ("Disputada"), a Chile copper mining business, to affiliates of Anglo American plc for $1.3 billion plus possible future copper price participation of up to $120 million. The principal assets of Disputada include the Los Bronces copper mine, the El Soldado copper mine and the Chagres smelter, all located in Chile's central region. <page>