EXHIBIT 16.1 Office of the Chief Accountant Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 April 4, 2002 Dear Sir/Madam: We have read Item 4 included in the Form 8-K dated April 4, 2002 of Certegy Inc. to be filed with the Securities and Exchange Commission and agree with the statements contained in Item 4. Very truly yours, /s/Arthur Andersen LLP Copy to: Mr. Michael T. Vollkommer Corporate Vice President and Chief Financial Officer Certegy Inc.