[ARTHUR ANDERSEN LLP LOGO]
June 10, 2002
Office of the Chief Accountant
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549
Dear Sir/Madam:
We have read the first and second paragraphs of Item 4 included in the Form 8—K/A dated June 10, 2002 of Ostex International, Inc. and are in agreement with the statements that refer to our firm.
Very truly yours,
/s/ Arthur Andersen LLP
Arthur Andersen LLP
cc: | Tom Bologna Chief Executive Officer Ostex International, Inc. |