<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>doc1.txt
<DESCRIPTION>POWER OF ATTORNEY (PUBLIC): POA: MEINOLF 2018
<TEXT>

POWER OF ATTORNEY
For Executing Forms 3, 4 and 5 and 144

Know all by these present that the undersigned constitutes and appoints
each of Randall J.Erickson, Lynn M. Floeter, Marie A. Radtke and Jodi
Rosenthal signing singly,
his true and lawful attorney-in-fact to:

(1)
execute for and on behalf of the undersigned Forms 3, 4 and 5 in
accordance with Section 16(a) of the Securities Exchange Act of 1934 and
the rules thereunder;


(2)
execute for and on behalf of the undersigned notices on Form 144 in
accordance with Rule 144 under the Securities Act of 1933;


(3)
do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete the execution of any such Forms
3, 4 or 5 or Form 144 and the timely filing of such forms with the United
States Securities and Exchange Commission and any other authority; and


(4)
take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit
to, in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf
of the undersigned pursuant to the Power of Attorney shall be in such form
and shall contain such terms and conditions as such attorney-in-fact may
approve in his or her discretion.

     The undersigned hereby grants to each such attorney-in-fact full power
and authority to do
and perform all and every act and thing whatsoever requisite, necessary and
proper to be done in
the exercise of any of the rights and powers herein granted, as fully to all
intents and purposes
as such attorney-in-fact might or could do if personally present, with full
power of substitution
or revocation, cause to be done by virtue of this power of attorney and the
rights and powers
herein granted.  The undersigned acknowledges that the foregoing attorneys-
in-fact, in serving
in such capacity at the request of the undersigned, are not assuming
any of the undersigned?s
responsibilities to comply with Section 16 of the Securities Exchange Act
of 1934 and the rules
thereunder or Rule 144 under the Securities Act of 1933.  This Power of
Attorney shall be a
durable power of attorney and shall not be affected by subsequent
disability or incapacity of the undersigned.

     IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 12th day of September, 2018.


/s/ Michael Meinolf





</TEXT>
</DOCUMENT>
