Exhibit 16 [PwC Letterhead] April 22, 2004 Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Commissioners: We have read the statements made by the H.B. Fuller Company Thrift Plan (copy attached), which we understand will be filed with the Commission, pursuant to Item 4 of Form 8-K, as part of the Plan's Form 8-K report dated April 22, 2004. We agree with the statements concerning our Firm in such Form 8-K. Very truly yours, /s/ PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP