EX-15.11 22 y58436ex15-11.txt AWARENESS LETTER OF ARTHUR ANDERSEN S/C Exhibit 15.11 [LOGO] ANDERSEN Arthur Andersen S/C Praia de Botatogo 300 7 (degree) andar 22250 040 Rio de Janeiro RJ www.andersen.com Securities and Exchange Commission 450 Fifth Street, NW Washington, D.C. 20549 Commissioners: We are aware that our report dated October 22, 2001 on our review of interim financial information of Mineracao Rio do Norte S.A., as of September 30, 2001 and 2000, and for the nine-month periods then ended, prepared in conformity with generally accepted principles in the United States, is included in the Registration Statement on Form F-4 filed by Vale Overseas Limited and Companhia Vale do Rio Doce. Yours very truly, /s/ ARTHUR ANDERSEN S/C ARTHUR ANDERSEN S/C Rio de Janeiro, Brazil, March 21, 2002