TECHNE COROPORATION SELECTS KPMG AS AUDITOR Minneapolis/November 22, 2002/--Techne Corporation (NASDAQ: TECH) announces that the Audit Committee of its Board of Directors has selected KPMG to serve as auditors of the Company's consolidated financial statements. The Company's consolidated statements formerly were audited by Deloitte & Touche. The Audit Committee emphasized that there have been no disputes with Deloitte & Touche. The Company anticipates no changes in its financial reporting as a result of the change in auditors. * * * * * * * * * * * * * * Techne Corporation has two operating subsidiaries: Research and Diagnostic Systems, Inc. (R&D Systems) of Minneapolis, Minnesota and R&D Systems Europe, Ltd. (R&D Europe) of Abingdon, England. R&D Systems is a specialty manufacturer of biological products and R&D Europe is a distributor of biotechnology products. Contact: Kathy Backes, Controller (612) 379-8854