LETTER 1 filename1.txt February 28, 2006 Zip+4 Code: 20549-0305 Via Fax & U.S. Mail The Boeing Company James A. Bell, Executive Vice President and Chief Financial Officer 100 N. Riverside Chicago, IL. 60606 Re: The Boeing Company Form 10-K for the Year Ended December 31, 2004 File 001-00442 Dear Mr. Bell: We have completed our review of your Form 10-K and related filings and do not, at this time, have any further comments. Sincerely, David R. Humphrey Branch Chief-Accountant