United States securities and exchange commission logo April 16, 2021 James Hippel Chief Financial Officer Bio-Techne Corporation 614 McKinley Place N.E. Minneapolis, MN 55413 Re: Bio-Techne Corporation Form 10-K for the Fiscal Year Ended June 30, 2020 Filed August 26, 2020 File No. 000-17272 Dear Mr. Hippel: We have completed our review of your filings. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Life Sciences