FORM 3
        	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
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                      	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	                      	

1. Name and Address of Reporting Person *

Dickson Zoe L	2. Date of Event Requiring Statement (MM/DD/YYYY)
6/1/2021 
	3. Issuer Name and Ticker or Trading Symbol

3M CO [MMM]	
(Last)       (First)       (Middle)

3M CENTER	4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                          _____ 10% Owner
___X___ Officer (give title below)        _____ Other (specify below)
Executive Vice President /	
(Street)

ST. PAUL, MN 55144      

(City)             (State)             (Zip)	5. If Amendment, Date Original Filed(MM/DD/YYYY)
 
	6. Individual or Joint/Group Filing(Check Applicable Line)

_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person	

Table I - Non-Derivative Securities Beneficially Owned	
1.Title of Security
(Instr. 4)	2. Amount of Securities Beneficially Owned
(Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)	4. Nature of Indirect Beneficial Ownership
(Instr. 5)	
Common Stock 	326.2516 	D 	 	
Common Stock 	252 	I 	401k/paesop Trust 	

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)	
1. Title of Derivate Security
(Instr. 4)	2. Date Exercisable and Expiration Date
(MM/DD/YYYY)	3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)	6. Nature of Indirect Beneficial Ownership
(Instr. 5)	
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares				
Non-qualified Stock Option (Right to Buy) 	2/5/2014 (1)	2/3/2023 	Common Stock 	2265 	$101.49 	D 	 	
Non-qualified Stock Option (Right to Buy) 	2/4/2015 (1)	2/2/2024 	Common Stock 	2156 	$126.72 	D 	 	
Non-qualified Stock Option (Right to Buy) 	2/3/2016 (1)	2/3/2025 	Common Stock 	3198 	$165.94 	D 	 	
Non-qualified Stock Option (Right to Buy) 	2/2/2017 (1)	2/2/2026 	Common Stock 	3513 	$147.87 	D 	 	
Non-qualified Stock Option (Right to Buy) 	2/7/2018 (1)	2/6/2027 	Common Stock 	4467 	$175.76 	D 	 	
Non-qualified Stock Option (Right to Buy) 	2/6/2019 (1)	2/4/2028 	Common Stock 	2525 	$233.63 	D 	 	
Non-qualified Stock Option (Right to Buy) 	2/5/2020 (1)	2/4/2029 	Common Stock 	3189 	$201.12 	D 	 	
Non-qualified Stock Option (Right to Buy) 	2/4/2021 (1)	2/3/2030 	Common Stock 	11994 	$157.24 	D 	 	
Non-qualified Stock Option (Right to Buy) 	2/1/2022 (1)	2/1/2031 	Common Stock 	7700 	$175.02 	D 	 	
Restricted Stock Units 	 (2)	 (2)	Common Stock 	1731 	 (3)	D 	 	

Explanation of Responses:	
(1) 	The stock option will vest and become exercisable in a series of three equal installments on each of the first, second and third anniversary of the grant date.	
(2) 	The restricted stock units will vest in equal installments on April 1, 2024 and April 1, 2026.	
(3) 	Each restricted stock unit represents a contingent right to receive one share of 3M common stock.	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
Dickson Zoe L
3M CENTER
ST. PAUL, MN 55144			Executive Vice President		

Signatures		
/s/ Patricia L. Meagher, attorney-in-fact for Zoe L. Dickson		6/3/2021	
**Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.	
*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).	
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).	
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.	
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.	

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, Inchan Hwang, David A. Calder, Karen Stanoch-Sawczuk 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 26th day of May, 2021.

/s/ Zoe L. Dickson