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                          TECHNE CORPORATION
      Description of Amended Executive Officer's Incentive Bonus Plan

The Techne Corporation Executive Officer's Incentive Bonus Plan, as amended
(the "Plan"), is designed to reward executive officers of Techne Corporation
(the "Company") in relation to the Company's financial performance and each
executive officer's achievement of his or her individual goals.

Each executive officer may earn a cash bonus of up to 40% of his or her base
salary for the fiscal year.  The Plan provides that 70% of the cash bonus is
determined by the Company's revenue and earnings increases during the prior
fiscal year adjusted, where applicable, for the performance of the executive
officer's segment of the Company.  The remaining 30% is determined by the
executive officer's achievement of his or her individual goals, which are set
by the executive officer in consultation with the Executive Compensation
Committee.  Whether an executive officer besides the President has achieved
his or her goals is determined by the Executive Compensation Committee,
which may take into account the President's recommendations on the
achievement percentages for such executive officers.  Whether the President
has achieved his goals is determined by the Executive Compensation Committee
in its sole discretion.

The Company's executive officers also earn stock options equal to the amount
of their respective cash bonus.  The number of options an executive officer
receives is calculated by dividing the amount of the executive officer's cash
bonus by the fair value of the options on the date of grant, calculated in
accordance with FASB Accounting Standards Codification Topic 718.  The
options granted are immediately exercisable, have a seven-year term and have
an exercise price equal to the closing sale price of the Company's common
stock as of the date of grant.

In addition, executive officers are eligible for block grants of stock
options when they renew their employment agreements.  The number of shares
granted are determined by the Executive Compensation Committee, with a
minimum of 5,000 shares per year of the employment agreement's term.  The
options vest annually in equal amounts over the life of the employment
agreement