POWER OF ATTORNEY


The undersigned hereby constitutes and
appoints Brenda S. Furlow, James Hippel, Anna
Weispfenning, Melodie R. Rose, Andrew Nick,
Sarah Tucher or either of them acting alone,
the undersigned's true and lawful attorneys-
in-fact and agent with full power of
substitution and resubstitution, for the
undersigned and in the undersigned's name,
place and stead, in any and all capacities,
to sign any or all Forms 3, Forms 4 and
Forms 5 relating to beneficial ownership of
securities of Bio-Techne Corporation (the
"Issuer"), to file the same, with all
exhibits thereto and other documents in
connection therewith, with the Securities and
Exchange Commission and to deliver a copy of
the same to the Issuer, granting unto said
attorney-in-fact and agent full power and
authority to do and perform each and every
act and thing requisite and necessary to be
done in and about the premises, as fully to
all intents and purposes as the undersigned
might or could do in person, hereby ratifying
and confirming all said attorneys-in-fact and
agent, or his substitute or substitutes, may
lawfully do or cause to be done by virtue
thereof.  The undersigned acknowledges that
the foregoing attorney-in-fact, in serving in
such capacity at the request of the
undersigned, is not assuming any of the
undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of
1934.

This Power of Attorney shall remain in
effect until such time as the undersigned is
no longer subject to the provisions of
Section 16 of the Securities Exchange Act of
1934 with respect to securities of the
Issuer.

IN WITNESS WHEREOF, the undersigned has
caused this Power of Attorney to be executed
as of this 25th day of October, 2018.


/s/ Harold Wiens