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                    TECHNE CORPORATION DECLARES DIVIDEND


Minneapolis/May 1, 2012/ -- Techne Corporation (NASDAQ:TECH) announced that
its Board of Directors has decided to pay a dividend of $0.28 per share for
the quarter ended March 31, 2012.  The quarterly dividend will be payable May
25, 2012 to all common shareholders of record on May 11, 2012.  Future cash
dividends will be considered by the Board of Directors on a quarterly basis.


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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.  R&D Systems has three operating
subsidiaries, BiosPacific, Inc. (BiosPacific), located in Emeryville,
California, Boston Biochem, Inc., located in Cambridge, Massachusetts and R&D
Systems China Co. Ltd., (R&D China), located in Shanghai, China.  BiosPacific
is a worldwide supplier of biologics to manufacturers of in vitro diagnostic
systems and immunodiagnostic kits. Boston Biochem is a leading developer and
manufacturer of ubiquitin-related research products. R&D China and R&D Europe
distribute biotechnology products.  R&D Europe has two subsidiaries, Tocris
Holding, Ltd (Tocris) of Bristol, England and R&D Systems GmbH, a German
sales operation.  Tocris is a leading supplier of reagents for non-clinical
life science research.

Contact:  Greg Melsen, Chief Financial Officer
          Kathy Backes, Controller
          (612) 379-8854