[ALVIN L. DAHL & Associates, PC Certified Public Accountants A Professional Corporation 903 N. Bowser Rd, Suite 370 Richardson, TX 75081 (972) 664-1527 FAX (972) 664-1430] August 21, 2000 United States Securities and Exchange Commission Washington, D.C. 20549 Gentlemen: We have reviewed Item 4 (Change in Registrant's Certifying Accountant) of the Form 8-K for 21st Century Technologies, Inc. dated August 14, 2000, and are in agreement with the statements presented therein. Sincerely, /s/ Alvin L. Dahl, CPA ALVIN L. DAHL & Associates PC Dallas, Texas