3M Results Presentation Deck

2021 planning estimates ● Macro and business trends Global end-market demand remains strong Semiconductor constraints impacting end-markets, particularly automotive and electronics ● ● ● ● Organic local-currency growth 8% to 9% vs. 6% to 9%, prior ● Earnings per share $9.70 to $9.90 vs. $9.70 to $10.10, prior Healthcare and oral care elective procedures expected to remain stable with recent trends Significant global supply chain, raw materials and logistics challenges expected to persist into foreseeable future Full-year raw material and logistics headwinds of $0.80 to $0.90 per share, responding with selling price increases, dual sourcing and yield improvement Maintaining strong execution and operating rigor 2021 Q3 Earnings - October 26, 2021. All rights reserved. 3M Q4 vs. Q3 2021 sequential items of note One fewer business day versus Q3 2021 • Focused on serving customers while navigating supply chain, raw materials and logistics challenges ● ● Selling price expected to continue to gain traction. Lower pandemic-related disposable respiratory demand of $25M to $75M sequentially ($125M to $175M year-on-year) Expecting increase in legal-related costs • Previously announced (Dec 2020) restructuring program on track, expected Q4 pre-tax charge of $25M to $50M, similar to Q3 2021 Higher investments in growth, productivity and sustainability ● Free cash flow conversion 90% to 100%, unchanged ● ● 9

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