BIO-TECHNE Corp — Director's Dealing 2010

May 3, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TECHNE CORP /MN/ (tech)
CIK: 0000842023
Period of Report: 2010-04-30

Reporting Person: VERONNEAU MARCEL (VP Hematology Operations)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-04-30	Employee Stock Option	$66.25	A	10000	Acquired	2017-04-29	Common Stock (10000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	31299	Direct
Common Stock	6674	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option	$62.46	2016-07-23	Common Stock (494)	494	Direct
Employee Stock Option	$79.41	2015-07-24	Common Stock (385)	385	Direct
Employee Stock Option	$56.83	2014-07-26	Common Stock (510)	510	Direct
Employee Stock Option	$49.43	2013-07-27	Common Stock (567)	567	Direct
Employee Stock Option	$51.6	2012-08-17	Common Stock (475)	475	Direct
Employee Stock Option	$37.011	2010-11-30	Common Stock (15000)	15000	Direct
Employee Stock Option	$40.47	2011-07-08	Common Stock (505)	505	Direct
Employee Stock Option	$33.85	2010-08-13	Common stock (670)	670	Direct

Footnotes

F1: Vested: 5000 each 4/30/2011 and 4/30/2012