Company: AWK
Filing Date: 2025-12-29
Form Type: S-4/A
Source: 0001193125-25-332292
Chunk: 387

Company: American Water Works Company, Inc.
Filing Date: 2025-12-29
Form: S-4/A
Chunk 387
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 or Law as from time to time amended, modified or supplemented, including (in the case of agreements or instruments) by waiver or consent and (in the case of Laws) by succession of comparable successor laws and any rules or regulations promulgated thereunder, and references to all attachments thereto and instruments incorporated therein. Each of the Parties has participated in the drafting and negotiation of this Agreement. If an ambiguity or question of intent or interpretation arises, this Agreement must be construed as if it is drafted by all the Parties, and no presumption or burden of proof shall arise favoring or disfavoring any Party by virtue of authorship of any of the provisions of this Agreement. References to any Person include the successors and permitted assigns of that Person. Any reference in this Agreement to a “day” or a number of “days” (without explicit reference to “Business Days”) shall be interpreted as a reference to a calendar day or number of calendar days. If any action is to be taken or given on or by a particular calendar day, and such calendar day is not a Business Day, then such action may be deferred until the next Business Day. Any reference in this Agreement to “U.S.” means the United States of America. All documents or other materials that were uploaded to the Intralinks virtual data room titled “Project Summit” and the Firmex virtual data room titled “Project Summit – Epsilon’s VDR” as of 11:59 p.m. on the date that is two (2) Business Days immediately preceding the date hereof shall be deemed to have been “made available” to the Company and Parent, respectively, as for all purposes of this Agreement. A-84

IN WITNESS WHEREOF, the Parties have caused this Agreement to be duly executed and delivered as of the date first above written.

| AMERICAN WATER WORKS COMPANY, INC. |     |                                              |
| By:                                |     | /s/ JOHN C. GRIFFITH                         |
|                                    |     | Name: John C. Griffith                       |
|                                    |     | Title: President and Chief Executive Officer |
| ALPHA MERGER SUB, INC.             |     |                                              |
| By:                                |     | /s/ JOHN C. GRIFFITH                         |
|                                    |     | Name: John C. Griffith                       |
|                                    |     | Title: President and Chief Executive Officer |

[Signature Page to Agreement and Plan of Merger] A-85

IN WITNESS WHEREOF, the