AWK Growth Outlook and Military Services Strategic Value

Pure-Play Regulated Water and Wastewater Utility Business CA HI Regulated Operations* 52,500 miles of pipe ➤ 560 water treatment plants ➤ 160 wastewater treatment plants ➤ 1,100 wells and 76 dams AMERICAN WATER Regulated Customer Count* 11% 22% ■ Pennsylvania IA IL IN MO WV MD VA KY TN PA NJ 5% 6% 10% 3.4M Total Customer Connections ■New Jersey Missouri Illinois ■Indiana 21% ■ California GA 11% 14% ■ West Virginia ■ Other Military Services Group Regulated-like earnings Serves 17 military installations 12 Army • 5 Air Force *As of December 31, 2021 4

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