1 EXHIBIT 16.1 Office of the Chief Accountant Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 September 15, 2000 Dear Sir/Madam: We have read the (a) paragraph of Item 4 included in the Form 8-K dated September 11, 2000 of Amkor Technology, Inc. filed with the Securities and Exchange Commission and are in agreement with the statements contained therein. Very truly yours, Arthur Andersen LLP