EXTENSION OF EMPLOYMENT AGREEMENT DATE: June 30, 2004 Parties: Techne Corporation 614 McKinley Place N.E. Minneapolis, MN 55413 Marcel Veronneau AGREEMENTS: The parties hereby agree that the termination date of the Employment Agreement between them...

                         EXTENSION OF EMPLOYMENT AGREEMENT


DATE:     June 30, 2004

Parties:   Techne Corporation
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AGREEMENTS:

     The parties hereby agree that the termination date of the Employment
Agreement between them for the period July 1, 1995 through June 30, 1998 and
previously extended to June 30, 2004 is extended to June 30, 2007.  All other
provisions of such Employment Agreement shall remain in full force and effect.


						Techne Corporation



						By /s/ Xxxxxx X. Xxxxx
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                                                Xxxxxx X. Xxxxx, President




/s/ Xxxxxx Xxxxxxxxx
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