Exhibit 24 HARLAN & BOETTGER Certified Public Accountants 12626 High Bluff Drive, Suite 200 San Diego, California 92130 (619) 755-8113 May 10, 1996 Board of Directors EXTEN INDUSTRIES, INC. AND SUBSIDIARY 9625 BLACK MOUNTAIN ROAD, SUITE 218 SAN DIEGO, CALIFORNIA 92126 RE: CONSENT TO USE OPINIONS AS EXHIBITS IN 1995 FORM 10-KSB Gentlemen: Let this letter serve as our consent to use our opinions, dated February 15, 1996 and March 20, 1995 as exhibits in the Company's 1995 Form 10-KSB. Sincerely, /s/ Harlan & Boettger 46