EXHIBIT 16 Office of the Chief Accountant Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 May 10, 2000 Dear Sir/Madam: We have read Item 4 included in the Form 8-K/A dated May 10, 2000 of Park Place Entertainment Corporation filed with the Securities and Exchange Commission and are in agreement with the statements contained therein. Very truly yours, ARTHUR ANDERSEN LLP Copies to: Scott La Porta, Chief Financial Officer Park Place Entertainment Corporation