Extension of Employment Agreement between Techne Corporation and Monica Tsang, Ph.D.

Summary

Techne Corporation and Monica Tsang, Ph.D. have agreed to extend the term of their existing employment agreement. The new termination date is June 30, 2007, extending the previous agreement that was set to end on June 30, 2004. All other terms and conditions of the original employment agreement remain unchanged and in effect.

EX-10.41 2 tsang.txt EMPLOYMENT AGREEMENT WITH MONICA TSANG EXTENSION OF EMPLOYMENT AGREEMENT DATE: June 30, 2004 Parties: Techne Corporation 614 McKinley Place N.E. Minneapolis, MN 55413 Monica Tsang, Ph.D. 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/ Thomas E. Oland ------------------------ Thomas E. Oland, President /s/ Monica Tsang - ------------------ Monica Tsang, Ph.D.