2019 Investor Day

AMERICAN WATER Forward-Looking Statements Safe Harbor This presentation includes forward-looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and the Federal securities laws. They are not guarantees or assurances of any outcomes, financial results of levels of activity, performance or achievements, and readers are cautioned not to place undue reliance upon them. The forward-looking statements are subject to a number of estimates and assumptions, and known and unknown risks, uncertainties and other factors. Actual results may differ materially from those discussed in the forward-looking statements included in this presentation. The factors that could cause actual results to differ are discussed in the Appendix to this presentation, in our Annual Report on Form 10-K for the year ended December 31, 2018, and subsequent filings with the SEC, including our Form 10-Q for the quarter ended September 30, 2019, as filed with the SEC on October 30, 2019. Non-GAAP Financial Information This presentation includes non-GAAP financial measures. Further information regarding these non-GAAP financial measures, including a reconciliation of each of these measures to the most directly comparable GAAP measure, is included in the Appendix to this presentation. 4

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