EX-16 3 v80921ex16.txt EXHIBIT 16 Exhibit 16 Office of the Chief Accountant Securities and Exchange Commission 450 Fifth Street, N. W. Washington, D.C. 20549 April 19, 2002 Dear Sir/Madam: We have read the first four (4) paragraphs of Item 4 included in the Form 8-K dated April 16, 2002, of Weyerhaeuser Company, to be filed with the Securities and Exchange Commission and are in agreement with the statements contained therein. Very truly yours, /s/ Arthur Andersen LLP ------------------------------ ARTHUR ANDERSEN LLP Copy to: Mr. Steven J. Hillyard Vice President and Chief Accounting Officer Weyerhaeuser Company