EXHIBIT INDEX Exhibit No. Description of Exhibit - ----------- ---------------------- 16.1 Letter of Aidman, Piser & Company. dated May 13 2005 Ex 16.1 Aidman, Piser & Company 401 East Jackson Street, Suite 3400 Certified Public Accountants Tampa, Florida 33602 & Business Advisors 813-222-855 FAX 813-222-8560 May 13, 2004 Securities and Exchange Commission Mail Stop 11-3 450 5th Street N.W. Washington, D.C. 20549 Dear Sirs/Madams: We have read Item 4(a) of Innovative Software Technologies, Inc.'s Form 8-K dated May 13, 2005, and we agree with the statements made therein. Sincerely, /s/ Aidman, Piser & Company, P.A. ------------------------------------------ Certified Public Accountants