Exhibit 1 Deloitte & Touche LLP City Place 185 Asylum Street Hartford, Connecticut 06103-3402 Tel: (860) 280 3000 Fax: (860) 280 3051 www.us.deloitte.com October 3, 2001 Securities & Exchange Commission Mail Stop 11-3 450 5th Street, N.W. Washington, D.C. 20549 Dear Sirs/Madams: We have read Item 4 of Sono-Tek Corporation's Form 8-K/A dated September 28, 2001 and, except for the first sentence of the first paragraph, with which we have no basis on which to agree or disagree, we agree with the statments made therein. Yours truly, /s/ Deloitte & Touche LLP Deloitte & Touche