CONSENT OF INDEPENDENT ACCOUNTANT I hereby consent to the use of my report, dated March 10, 1999, on the balance sheet of International Test Systems, Inc. as of December 31, 1998 and the related statements of income [loss], changes in stockholders' equity and cash flows for the years ended December 31, 1998 and December 31, 1997, in the Registration Statement on Form SB-1 and the related Prospectus of International Test Systems, Inc. for the registration of its common stock, Class A Redeemable Warrants, and Class B Redeemable Warrants. /s/ Darilek Butler P.C. ----------------------- Darilek Butler P.C. September 28, 1999