EX-15.1 9 y50328s3ex15-1.txt LETTER FROM PRICEWATERHOUSECOOPERS LLP 1 Exhibit 15.1 Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Commissioners: We are aware that our report dated April 23, 2001 on our review of interim financial information of Phelps Dodge Corporation (the "Company") as of and for the period ended March 31, 2001 and included in the Company's quarterly report on Form 10-Q for the quarter then ended is incorporated by reference in this Registration Statement on Form S-3. We are also aware that our report dated July 19, 2001 on our review of the interim financial information of the Company as of and for the three and six month periods ended June 30, 2001 and included in the Company's quarterly report on Form 10-Q for the quarter then ended is incorporated by reference in this Registration Statement. Very truly yours, /s/: PricewaterhouseCoopers LLP Phoenix, Arizona August 15, 2001