LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS

Know all by these presents, that the undersigned hereby constitutes and
appoints each of Patricia L. Meagher, Sarah Gernes, Jeffrey DeBruin,
David A. Calder, Karen Stanoch-Sawczuk, Karla Stoeckman and Michael M. Dai,
each acting individually, as the undersigned?s true and lawful
attorney-in-fact, with full power and authority as hereinafter
described on behalf of and in the name, place and stead of the
undersigned to:

(1) prepare, execute in the undersigned?s name and on the undersigned?s
behalf, and submit to the United States Securities and Exchange Commission
(the ?SEC?) a Form ID, including amendments thereto, and any other documents
necessary or appropriate to obtain codes and passwords enabling the
undersigned to make electronic filings with the SEC of reports required by
Section 16(a) of the Securities Exchange Act of 1934 and the rules and
regulations promulgated thereunder, as amended from time to time (the
?Exchange Act?);

(2) prepare, execute, acknowledge, deliver and file Forms?3, 4, and 5 (including
any amendments thereto) with respect to the securities of 3M Company, a Delaware
corporation the ?Company?), with the SEC, any national securities exchanges and
the Company, as considered necessary or advisable under Section?16(a) of the
Exchange Act;

(3) seek or obtain, as the undersigned's representative and on the undersigned's
behalf, information on transactions in the Company's securities from any third
party, including brokers, employee benefit plan administrators and trustees,
and the undersigned hereby authorizes any such person to release any such
information to the above-named attorneys-in-fact and approves and ratifies any
such release of information; and

(4) perform any and all other acts which in the discretion of such attorney-in-
fact are necessary or desirable for and on behalf of the undersigned in
connection with the foregoing.

The undersigned acknowledges that:

(1) this Limited Power of Attorney authorizes, but does not require, each such
attorney-in-fact to act in their discretion on information provided to such
attorney-in-fact without independent verification of such information;

(2) any documents prepared and/or executed by either such attorney-in-fact on
behalf of the undersigned pursuant to this Limited Power of Attorney will be
in such form and will contain such information and disclosure as such
attorney-in-fact, in his or her discretion, deems necessary or desirable;

(3) neither the Company nor either of such attorneys-in-fact assumes (i) any
liability for the undersigned's responsibility to comply with the requirement
of the Exchange Act, (ii) any liability of the undersigned for any failure to
comply with such requirements, or (iii) any obligation or liability of the
undersigned for profit disgorgement under Section 16(b) of the Exchange Act;
and

(4) this Limited Power of Attorney does not relieve the undersigned from
responsibility for compliance with the undersigned?s obligations under the
Exchange Act, including without limitation the reporting requirements under
Section 16 of the Exchange Act.

The undersigned hereby gives and grants each of the foregoing attorneys-in-fact
full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
foregoing matters as fully to all intents and purposes as the undersigned might
or could do if present, hereby ratifying all that each such attorney-in-fact of,
for and on behalf of the undersigned, shall lawfully do or cause to be done by
virtue of this Limited Power of Attorney.

This Limited Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned?s holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Limited Power of Attorney
to be executed as of this 23rd day of October, 2023.

						/s/ Thomas W. Sweet