Company: AWK
Filing Date: 2025-12-17
Form Type: S-4
Source: 0001193125-25-321389
Chunk: 56

Company: American Water Works Company, Inc.
Filing Date: 2025-12-17
Form: S-4
Chunk 56
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 attention from ongoing business operations and 
 opportunities of such party on merger-related matters;                                             |

| • |     | the challenging macroeconomic environment, including disruptions in the water and wastewater utility industries; |

| • |     | the ability of each party to manage its respective existing operations and financing arrangements on favorable             
 terms or at all, including with respect to future capital expenditures and investments, operations, and maintenance costs; |

| • |     | changes in environmental laws and regulations regarding each party’s respective operations that may 
 adversely impact such party’s businesses or increase the cost of operations;                        |

| • |     | changes in each party’s key management and personnel; |

| • |     | changes in tax laws that could adversely affect beneficial tax treatment of the merger; |

| • |     | regulatory, legislative, local, or municipal actions affecting the water and wastewater industries, which could 
 adversely affect the parties’ respective utility subsidiaries; and                                              |

| • |     | other economic, business, and other factors, including inflation, interest rate fluctuations, or tariffs. |

The foregoing factors should not be construed as exhaustive. These forward-looking statements are qualified by, and should be read together with, the risks and uncertainties set forth above, set forth in “ Risk Factors” beginning on page 35 and in American Water’s and Essential’s other filings with the SEC incorporated by reference into this joint proxy statement/prospectus. Please see “ Where You Can Find More Information” beginning on page 182 for more information about the SEC filings incorporated by reference into this joint proxy statement/prospectus. You should refer to such risks, uncertainties, and risk factors in evaluating such forward-looking statements. Any forward-looking statements speak only as of the date of this joint proxy statement/prospectus or the date of the document incorporated herein by reference, unless expressly stated otherwise herein or therein. Neither American Water nor Essential has any obligation or intention to update or revise any forward-looking statement, whether as a result of new information, future events, changed circumstances, or otherwise, except as otherwise required by the federal securities laws. New factors emerge from time to time, and it is not possible for American Water or Essential to predict all such factors. Furthermore, it may not be possible to assess the impact of any such factor on American Water’s or Essential’s businesses, viewed independently or together, or the extent to which any factor, or combination of factors, may cause results to differ materially from those contained in any forward-looking statement. 34

RISK FACTORS