TECHNE ANNOUNCES TWO-FOR-ONE STOCK SPLIT

TECHNE Corporation has announced today that its Board of Directors has authorized a two-for-one stock split to be effected in the form of a 100% stock dividend. The record date for the stock dividend is shareholders of record at the close of business on November 24, 2000. Payment will be made at the close of business on December 1, 2000.

TECHNE Corporation’s stock is traded on the NASDAQ Stock Market under the symbol “TECH”.

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.