EX-99.1 3 d03232exv99w1.txt COPY OF LETTER FROM GRANT THORNTON LLP TO THE SEC EXHIBIT 99.1 February 14, 2003 Securities and Exchange Commission Washington, D.C. 20549 Re: Sunshine Mining & Refining Company File No. 001-10012 Dear Sir or Madam: We have read Item 4 of the Form 8-K of Sunshine Mining and Refining Company dated February 14, 2003, and Agree with the statements concerning our Firm contained therein. Very Truly yours, /s/ GRANT THORNTON LLP