3M 2016 Baseline Reporting Environmental Footprint Metric Metric Units RY-2002 RY-2005 RY-2010 RY-2015 RY-2016 Baseline Reporting Absolute Scope 1 Emissions (Direct) 16,800,000 10,100,000 4,280,000 3,770,000 4,140,000 Absolute Scope 2 Location-based Emissions (Indirect) 1,540,000 1,700,000 1,940,000 1,860,000 1,840,000 Total Greenhouse Gas Emissions (Indexed to Net Sales, Location based) per Net Sales (MM$USD) 1,120 559 233 186 199 Metric Tables US EPA GHG-MRR/IPCC AR5 based inventory accounting is not directly comparable to 2002-2011 WRI/IPCC TAR, AR4 based GHG accounting. 2002 inventory recalculated according to US EPA GHG-MRR/IPCC AR5 methodology (2.7 increase in absolute emissions over original reported value). Total Volatile Organic Compound Emissions Total Volatile Organic Compounds Emissions (Indexed to Metric Tons 6,800 6,070 4,800 4,630 31.9 0.321 0.228 0.158 0.154 52.0 Total Energy Use MMBTUs 27,900,000 26,800,000 28,400,000 29,000,000 3.94 Total Energy Use MWh 8,170,000 7,860,000 8,320,000 8,490,000 3.92 Total Energy (Indexed to MMBTUs per Net 1,320 1,010 937 956 27.6 Waste Disposed: Landfill, Treatment and Incineration Metric Tons 145,000 136,000 156,000 160,000 10.3 Waste Disposed: Landfill, Treatment and Incineration (Indexed to 6.83 5.09 5.16 5.33 22.0 Starting in 2016, Waste Disposed does not include Waste-to-Energy. Total Hazardous and Total Nonhazardous Waste includes Waste-to-Energy. Total Hazardous Waste Metric Tons 47,700 42,300 44,500 43,900 7.97 Total Nonhazardous Waste Metric Tons 132,000 134,000 170,000 177,000 34.1 Total Water Use Million Cubic Meters 49.0 43.0 42.5 45.9 6.33 Total Water Use (Indexed to Million Cubic Meters per Net Sales (MM $USD) 0.00231 0.00161 0.00141 0.00152 34.2 212 3M 2017 Sustainability Report #improvinglives 213
3M 2016 Baseline Reporting Health and Safety 3M 2016 Goals and Results Financial Performance Metric Metric Units RY-2002 RY-2006 RY-2010 RY-2015 RY-2016 Baseline Reporting Global Lost Time Incident Rate Employees (200,000 0.594 0.364 0.321 0.304 48.8 Net Sales Million $USD 29,900 30,900 31,800 30,300 30,100 0.660 0.669 Global Recordable Incident Rate Employees (200,000 1.85 1.56 1.22 1.20 35.0 Operating Income Million $USD 6,480 6,670 7,140 6,950 7,220 3.88 11.4 Net Income Attributable to 3M Million $USD 4,440 4,660 4,960 4,830 5,050 4.55 13.7 Per Share-Basic Actual $USD 6.40 6.83 7.63 7.72 8.35 8.16 30.5 Per Share-Diluted Actual $USD 6.32 6.72 7.49 7.58 8.16 7.65 29.1 3M 2016 Goals and Results Social Performance, Employees Total Debt to Total Capital (total capital = debt plus equity) 25 25 34 48 53 10 110 Capital Expenditures Million $USD 1,480 1,670 1,490 1,460 1,420 2.74 4.05 Research, Development and Related Expenses Million $USD 1,630 1,720 1,770 1,760 1,740 1.14 6.75 Global Full-time Equivalent Employees 86,600 89,600 90,700 90,400 91,600 1.33 5.77 Employee Compensation and Benefits Million $USD 8,350 8,730 8,840 8,790 8,470 3.64 1.44 Global Employee (Headcount) 86,600 89,600 90,700 90,400 92,500 2.32 6.81 Payments to Providers of Capital Million $USD 1,800 1,900 2,390 2,700 2,870 6.30 59.4 Part-Time Employees 2,430 2,580 2,560 2,520 2,400 4.76 1.23 Provision for Income Taxes Million $USD 1,840 1,840 2,030 1,980 2,000 1.01 8.70 Full-Time Employees 84,100 87,000 88,200 87,900 90,100 2.50 7.13 Percentage of Female Employees to Total Employees Percentage of Female Employees in Management Positions 33.7 33.7 33.9 33.9 34.8 2.65 3.26 24.6 25.3 26.1 26.9 27.8 3.35 13.0 3M 2016 Goals and Results Community Engagement Total Global Giving Million $USD 60.3 61.6 81.3 72.8 67.3 7.55 11.6 Total Cash Donations Million $USD 27.9 30.3 30.3 34.1 34.8 2.05 24.7 Total In-Kind Donations Million $USD 32.3 31.3 51.0 38.4 32.5 15.4 0.619 214 3M 2017 Sustainability Report #improvinglives 215
3M 2016 Goals and Results Environmental Performance Environmental Management System of Significant Spills Number of Significant Fines 0 0 0 0 0 Significant spill: spills included in the organization's financial statement 0 2 1 0 0 Significant fine: fine or penalty over $10,000 Scope 3, Category 4 (Upstream Transportation and Distribution) 1,510,000 1,230,000 995,000 780,000 699,000 Emissions disclosed in previous years (2011-2014) were miscategorized as Category 9; data does not include emissions from transportation of raw materials from suppliers Total Monetary Value of Significant Fines of Non-Monetary Sanctions Environmental Liability Accrued at Year End Absolute Scope 1 Emissions (Direct) Absolute Scope 2 Location-based Emissions (Indirect) Million $USD 0 0.0630 0.113 0 0 0 2 1 0 0 Million $USD 0 0 0 0 0 4,370,000 5,590,000 4,390,000 3,770,000 4,140,000 9.81 5.26 2,250,000 2,360,000 2,240,000 1,860,000 1,840,000 1.08 18.2 Scope 3, Category 5 (Waste Generated in Operations) Scope 3, Category 6 (Business Travel) Scope 3, Category 7 (Employee Commuting) Scope 3, Category 8 (Upstream, Leased Assets) Scope 3, Category 9 (Downstream Transportation and Distribution) Insufficient data 254,000 248,000 58,600 56,900 61,100 55,800 61,800 352,000 353,000 358,000 356,000 364,000 Included in Scope 1 and Scope 2 emissions reporting Calculated from 3M primary data on waste by facility size or number of employees Calculated from 3M primary data on business travel These emission are included in Scope 1 and Scope 2, because they are all under 3M operational control Total Scope 1 and 2 GHG Emissions: Market-based Accounting Total Scope 3 Emissions (Upstream) 5,920,000 10,700,000 10,600,000 11,100,000 9,500,000 9,130,000 Scope 3, Category 10 (Processing of Sold Scope 3, Category 11 (Use of Sold Not evaluated; most of 3M's products are intermediates with many potential end uses. According to the GHG Protocol Scope 3 Calculation and Guidance, a company that produces intermediate products with many potential downstream applications, each with a potentially different GHG emission profile, cannot reasonably estimate the downstream emissions associated with the various end uses of the intermediate products. Total Scope 3 Emissions (Downstream) All downstream categories either do not apply or are de minimis Net GHG emissions based on the categories evaluated. Due to change in boundaries, Scope 3 Upstream emissions should not be compared on a year-on-year basis. Scope 3, Category 1 (Purchased Goods and Services) Scope 3, Category 2 (Capital Goods) Scope 3, Category 3 (Fuel and Energy Related Activities; Not Including Scope 1 or Scope 2 Emissions) 8,160,000 8,360,000 8,330,000 6,860,000 6,610,000 584,000 647,000 812,000 577,000 538,000 Partially included in Scope 1 and Scope 2 emissions reporting 551,000 621,000 607,000 Emissions from transmission and distribution losses (Category 3c) are included in Scope 2 inventory Scope 3, Category 12 (End of Life Treatment of Sold Scope 3, Category 13 (Downstream Leased Assets) Scope 3, Category 14 (Franchises) Scope 3, Category 15 (Investments) Included in Scope 1 or Scope 2 emissions reporting <1,000 <1,000 0 0 0 0 0 0 0 0 0 0 Prior to 2015, 3M reported facilities leased to 3rd parties under Scope 1 and 2 No franchises under 3M financial control No investments under 3M financial control The data reported is in accordance to the World Resources Institute (WRI)/World Business Council for Sustainable Development (WBCSD) Corporate Value Chain (Scope 3) Accounting and Reporting Standard. An input/output model calculation methodology based on by commodity was used in collaboration with Climate Earth for Categories 1 and 2, and based on employee headcount by country for Category 7. A third-party audit of the input/output model data has been conducted to confirm compliance with the WRI/WBCSD Corporate Value Chain (Scope 3). Estimated Scope 3 data uncertainty is ±50 (WRI/WBCSD, GHG Protocol Corporate Value Chain (Scope 3) Accounting and Reporting Standard, 2011). 216 3M 2017 Sustainability Report #improvinglives 217
Waste Total Greenhouse Gas Emissions (Indexed to Net Sales, Locationbased) Total Volatile Organic Compound Emissions per Net Sales (MM$USD) 221 258 208 186 199 6.88 10.0 Metric Tons 5,980 5,430 5,550 4,800 4,630 3.54 22.6 Waste Disposed: Landfill, Treatment and Incineration Waste Disposed: Landfill, Treatment and Incineration (Indexed to Metric Tons 137,000 146,000 153,000 156,000 160,000 2.56 16.8 4.58 4.74 4.80 5.16 5.33 3.29 16.4 Total Volatile Organic Compounds Emissions (Indexed to 0.200 0.176 0.174 0.158 0.154 2.53 23.0 Energy Waste by Disposal Type, Incineration Waste by Disposal Type, Landfilled Data Coverage Total Waste Metric Tons 43,000 43,200 44,200 45,300 44,400 1.99 3.26 Metric Tons 93,900 103,000 109,000 111,000 116,000 4.50 23.5 96 97 98 97 98 1.0 2.1 Total Energy Use MMBTUs 27,700,000 28,700,000 29,100,000 28,400,000 29,000,000 2.11 4.69 Starting in 2016, Waste Disposed and Waste by Disposal Type does not include Waste-to-Energy. Total Hazardous and Total Nonhazardous Waste below includes Waste-to-Energy. Total Energy Use MWh 8,110,000 8,400,000 8,520,000 8,320,000 8,490,000 Total Hazardous Waste Metric Tons 39,700 39,400 41,100 44,500 43,900 1.35 10.6 Total Energy (Indexed to Net Sales) MMBTUs per Net 931 930 912 937 956 2.03 2.69 Total Nonhazardous Waste Metric Tons 140,000 153,000 164,000 170,000 177,000 4.12 26.4 Total Fuel Oil #1, #2, #6 MMBTUs 1,490,000 1,490,000 1,630,000 1,330,000 1,200,000 9.77-19.5 Total Waste Diverted Metric Tons 255,000 274,000 287,000 296,000 283,000 4.39 11.0 Total Jet Fuel MMBTUs 163,000 143,000 161,000 153,000 159,000 3.92 2.45 Waste-to-Energy Metric Tons 42,400 45,700 51,900 58,100 61,000 4.99 43.9 Total Propane MMBTUs 132,000 138,000 192,000 170,000 190,000 11.8 43.9 Onsite Recycle & Reuse Metric Tons 51,100 66,000 69,500 65,500 56,500 13.7 10.6 Total Gasoline and Diesel MMBTUs 226,000 190,000 209,000 270,000 155,000 42.6 31.4 Offsite Reuse Metric Tons 33,800 32,000 31,900 32,900 29,300 10.9 13.3 Total Coal MMBTUs 0 0 0 0 0 Offsite Recycle Metric Tons 128,000 131,000 134,000 139,000 136,000 2.16 6.25 Total Natural Gas MMBTUs 14,800,000 15,500,000 15,900,000 14,700,000 15,400,000 4.76 4.05 Total Electricity MMBTUs 9,980,000 10,300,000 11,100,000 10,600,000 10,700,000 0.943 7.21 Total Steam MMBTUs 840,000 902,000 1,010,000 1,130,000 1,180,000 4.42 40.5 Total Heating MMBTUs 17,700,000 18,300,000 19,100,000 17,700,000 18,300,000 3.39 3.39 Total Heating MWh 5,180,000 5,370,000 5,590,000 5,190,000 5,360,000 218 3M 2017 Sustainability Report #improvinglives 219
Water Total Water Use Million Cubic Meters 43.4 43.3 42.5 42.5 45.9 8.00 5.76 3M 2016 Goals and Results Supplier Responsibility Total Water Use (Indexed to Million Cubic Meters per Net 0.00145 0.00140 0.00134 0.00141 0.00152 7.80 4.83 of Suppliers 106,000 107,000 95,800 98,500 88,200 10.5 16.8 Sites located in water stress/scarce areas; water sources significantly affected by withdrawal of water with water conservation planning efforts 24 22 27 25 25 0.0 4.2 of Supplier Reviews Cumulative Number (since 2008) 2,510 3,210 3,880 4,570 5,120 12.0 104 3M uses the World Business Council for Sustainable Development (WBCSD) Global Water Tool to screen site locations for water stress/scarce levels and prioritizes conservation plan development based on internal criteria. 3M 2016 Goals and Results Health and Safety Global Lost Time Incident Rate Global Recordable Incident Rate Employees (200,000 Employees (200,000 0.402 0.339 0.355 0.321 0.304 5.30 24.4 1.42 1.41 1.45 1.22 1.20 1.64 15.5 3M Employees 3M Contractors 1 1 0 0 1 1 1 0 0 0 2 2 0 0 1 220 3M 2017 Sustainability Report #improvinglives 221