LETTER 1 filename1.txt June 10, 2005 Mail Stop 4561 Mr. Patrick Hayward ML Principal Protection L.P. C/O Merrill Lynch Investment Managers LLC 222 Broadway 27th Floor New York, NY 10038-2510 Re: ML Principal Protection L.P. Form 10-K for the year ended December 31, 2004 File No. 0-25000 Dear Mr. Hayward: We have completed our review of your Form 10-K and related filings and have no further comments at this time. Sincerely, Steven Jacobs Accounting Branch Chief ?? ?? ?? ?? ML Principal Protection L.P. June 13, 2005 Page 1