CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS I consent to the inclusion, or incorporation by reference of our report for CobraTech Industries, Inc., dated November 15, 2000, which appears on page 1 of the financial statements for the 288 days ended October 15, 2000 in any SEC filings of CTI Diversified Holdings, Inc. /s/ David J. Maxwell, Ltd. David J. Maxwell, Ltd., Chartered Accountant Surrey, BC January 10, 2001