3M Company Investor Presentation — October 2022

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Chairman of the Board &

Chief Executive OfficerMonish Patolawala

Executive Vice President,

Transformation Officer2022 Third Quarter Earnings

Senior Vice President,

Investor Relations(unaudited)2 2022 Q3 Earnings –October 25, 2022. All rights reserved. Forward looking statement

This presentation contains forward -looking information about 3M's financial results and estimates and business prospects that involve substantial risks and uncertainties .You can identify these

statements bytheuse ofwords such as"anticipate," "estimate," "expect," "aim," "project," "intend," "plan," "believe," "will," "should," "could," "target," "forecast" and other words and terms of

similar meaning inconnection with any discussion offuture operating orfinancial performance orbusiness plans orprospects .Among thefactors that could cause actual results todiffer materially

arethefollowing :(1)worldwide economic, political, regulatory, capital markets and other external conditions and other factors beyond theCompany's control, including natural and other disasters

orclimate change affecting theoperations oftheCompany oritscustomers and suppliers ;(2)risks related topublic health crises such astheglobal pandemic associated with thecoronavirus

(COVID -19);(3)foreign currency exchange rates and fluctuations inthose rates ;(4)liabilities related tocertain fluorochemicals, including lawsuits concerning various PFAS -related products and

chemistries, and claims and governmental regulatory proceedings and inquiries related toPFAS inavariety ofjurisdictions ;(5)legal proceedings, including significant developments that could

occur inthelegal and regulatory proceedings described intheCompany's Annual Report onForm 10-Kfortheyear ended Dec.31,2021 ,asupdated bytheCompany's Current Report onForm 8-K