2019 Investor Day

AMERICAN WATER More than 50,000 Community Water & about 15,000 Wastewater Systems* 10,000 systems serving > 3,000 customers We Actively pursue Acquisitions Using a Disciplined Approach Opportunities over 5 years =650,000 Customer Connections 866 American Water Acquisitions** (Customer Connections) 82 *** closed deals in 10 states 173,000 customers From 2015-2019 Regulatory & Legislative climate Target A Target B Target C Target D Target E Under agreement =22,300 Selected Upcoming Acquisition Opportunities Included in Base Plan Approximate Customer Connections 43,500 36,500 30,000 26,900 20,000 * The number of water systems are available on the United States Environmental Protection Agency website and number of wastewater systems are included in the 2017 infrastructure report card. ** Excludes organic growth customer connections. *** Closed water and wastewater deals counted as separate transactions and includes for 2019 20 closed systems as of December 2, 2019. 33

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