Company: AWK
Filing Date: 2025-12-17
Form Type: S-4
Source: 0001193125-25-321389
Chunk: 55

Company: American Water Works Company, Inc.
Filing Date: 2025-12-17
Form: S-4
Chunk 55
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 or at all. 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 joint proxy statement/prospectus as a result of the factors discussed in American Water’s Annual Report on Form 10-Kfor the year ended December 31, 2024, as filed with the SEC on February 19, 2025, Essential’s Annual Report on Form 10-Kfor the year ended December 31, 2024, as filed with the SEC on February 27, 2025, and each party’s other filings with the SEC, and additional risks and uncertainties, including with respect to:

| • |     | the parties’ ability to consummate the merger pursuant to the terms of the merger agreement or at all; |

| • |     | the ability to timely or at all obtain the approval of the American Water shareholders of the share issuance 
 proposal and the Essential shareholders of the merger agreement proposal;                                    |

| • |     | each party’s requirement to obtain required governmental and regulatory approvals required for the merger 
 (and/or that such approvals may result in the imposition of burdensome or commercially                    |

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| undesirable conditions, including required dispositions, that could adversely affect the combined company or the expected benefits of the merger); |

| • |     | an event, change, or other circumstance that could give rise to the termination of the merger agreement; |

| • |     | the failure to satisfy or waive a condition to closing of the merger on a timely basis or at all; |

| • |     | a delay in the timing to consummate the merger; |

| • |     | the failure to integrate the parties’ businesses successfully; |

| • |     | the failure to fully realize cost savings and any other efficiencies from the merger or that such benefits may 
 take longer to realize or be more costly to achieve than expected;                                             |

| • |     | negative or adverse impacts of the announcement of the merger on the market price of American Water’s or 
 Essential’s common stock;                                                                                |

| • |     | the risk of litigation related to the merger; |

| • |     | disruption from the merger making it more difficult to maintain relationships with customers, employees,      
 contractors, suppliers, regulators, vendors, elected officials, governmental agencies, or other stakeholders; |

| • |     | the diversion of each party’s management’s time and