EX-16.1 3 h96121ex16-1.txt LETTER FROM ARTHUR ANDERSEN LLP EXHIBIT 16.1 [Arthur Andersen LLP Letterhead] April 17, 2002 Office of the Chief Accountant Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Dear Sir or Madam: We have read the second through the fourth paragraphs of Item 4 included in the Current Report on Form 8-K dated April 17, 2002 of Pogo Producing 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 cc: Mr. Paul G. Van Wagenen - Pogo Producing Company