IMPORTANT INVESTOR ALERT: The Schall Law Firm Announces the Filing of a Class Action Lawsuit Against 3M Company and Encourages Investors with Losses in Excess of $100,000 to Contact the Firm

Investors who purchased the Company's securities between February 9, 2017 and May 28, 2019, inclusive (the ''Class Period''), are encouraged to contact the firm before September 27, 2019.