BIO-TECHNE Corp — Director's Dealing 2011

May 5, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TECHNE CORP /MN/ (TECH)
CIK: 0000842023
Period of Report: 2011-05-04

Reporting Person: OCONNELL HOWARD V (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-04	Common Stock	M	5000	$30.65	Acquired	132629	Indirect
2011-05-04	Common Stock	M	5000	$32.9	Acquired	137629	Indirect
2011-05-04	Common Stock	S	15000	$79.1871	Disposed	122629	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-04	Stock Option	$30.65	M	5000	Disposed	2012-10-24	Common Stock (5000)	Indirect
2011-05-04	Stock Option	$32.9	M	5000	Disposed	2013-10-23	Common Stock (5000)	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option	$61.46	2020-10-27	Common Stock (5000)	5000	Direct
Stock Option	$63.03	2019-10-28	Common Stock (5000)	5000	Indirect
Stock Option	$65.47	2018-10-22	Common Stock (5000)	5000	Indirect
Stock Option	$66.59	2017-10-24	Common Stock (5000)	5000	Indirect
Stock Option	$56.17	2016-10-25	Common Stock (5000)	5000	Indirect
Stock Option	$54.68	2015-10-26	Common Stock (5000)	5000	Indirect
Stock Option	$37.1	2014-10-21	Common Stock (5000)	5000	Indirect