Second Quarter/YTD 2023 Results

Strong Outlook for Acquisitions in 2023 and Beyond AMERICAN WATER Butler Area Sewer Authority, PA Wastewater Closed As of June 30, 2023 7,100 Customer Connections 10 Acquisitions in 5 States, $33M ΜΟ NJ { ≥ = ≤ 2 1 1 4 2 Under Agreement As of June 30, 2023 74,800 Customer Connections 32 Acquisitions in 10 States, $555M PA MO IL WV VA CA IN ΙΑ ≤ NJ MD 1 1 2 2 3 33 M 3 4 $232 million purchase price 14,700 equivalent customer connections Signed October 11, 2022 Expected to close by the end of 2023, pending regulatory approval. Granite City, IL Wastewater $83 million purchase price 26,000 equivalent customer connections Signed April 6, 2023 Now expected to close by the end of 2023, pending regulatory approval. 1.3 Million Customer Connections in Pipeline Sign Purchase Agreement Receive Appraisals and Pursue Regulatory Approvals Close Transaction, with Customers Billed at their Historical or Modified Rates Regulated Acquisitions: Typical Fair Market Value Process Upon Next Rate Case, Move Customers onto Applicable AW Utility Rates 26

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