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Investor Presentaiton

American Water's GHG Emissions Profile Water's G Providing Services to 14M People with a Light GHG Footprint AMERICAN WATER American Water Co. A Co. B • Scope 1: Direct Emissions Scope 2: Stationary Co. C . Fleet Vehicles 76,000 MT Co. D Refrigerants Co. E Indirect Emissions Purchased Power from Electric Providers 459,000 MT Co. F Co. G 2021 Scope 1 and 2 Subtotal First Time Disclosure 535,000 MT Co. H Co. I Co. J • Scope 3 (2021): Purchased Goods and Services Capital Goods Co. K Up and Down 506,000 MT 1 Value Chain Fuel & Energy-Related Activities Business Travel Co. L Co. M 11M 1 Represents initial estimate based upon work with third party consultant, including identification of significant scope 3 categories Co. N 7M Co. O 5M Co. P 5M 20% Category 1: Co. Q 4M Purchased goods and services Co. R 2M Scope 2 44% Scope 3 49% Category 2: Co. S 0.7M Capital goods AWK 0.5M 49% Category 3: 31% Fuel & energy-related activities Scope 1:7% 28M 26M 25M 36M Category 6: Business Travel (<1% of Scope 3) ■2021 Scope 1 and Scope 2 MT CO2e (Rounded) * Chart represents emissions for the top 20 U.S. utilities by market cap, sorted by emissions 83M 78M 57M 43M AWK emissions are only 0.1% of the total emissions generated by the top 20 utilities* ESG™ at AWK 37 Case No. 2022-00432 Bluegrass Water's Response to PSC 3-25 Exhibit PSC 3-25(b) - Part 1 of 2 Page 37 of 39

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