Bio-Techne Corporation, a Minnesota corporation, had the material subsidiaries below as of the date of filing its Annual Report on Form 10-K for fiscal year ended June 30, 2019. Certain subsidiaries are not named because they were not significant individually or in the aggregate as of such date. Bio-Techne Corporation is not a subsidiary of any other entity. 

Name

State/Country of Incorporation

Research and Diagnostic Systems Inc. (R&D Systems)

Minnesota

Bionostics, Inc

Massachusetts

Bio-Techne China Co. Ltd

China

Shanghai PrimeGene Bio-Tech Co., Ltd.

China

ProteinSimple

Delaware

ProteinSimple Ltd.

Canada

Novus Biologicals, LLC

Delaware

Bio-Techne Ltd.

United Kingdom

Tocris Cookson Limited

United Kingdom

Cliniqa Corporation

California

Advanced Cell Diagnostics, Inc.

California

QT Holdings Corporation

Delaware

Exosome Diagnostics, Inc. 

Delaware

B-MoGen Biotechnologies Inc.

Minnesota