Exhibit 99.1 [Moss Adams LLP letterhead] January 25, 2002 Office of the Chief Accountant Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Ladies and Gentlemen: We have read Item 4 of TreeSource Industries, Inc.'s Form 8-K dated January 22, 2002 and are in agreement with the statements contained in Item 4 therein. Yours very truly, /s/ Moss Adams LLP Moss Adams LLP